client.SparkClientImpl (SparkClientImpl.java:＜init＞(120)) - Timed out waiting for client to connect.

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#java #大数据 #开发语言

在遇到Hive客户端连接超时的问题时，可以通过修改`hive-site.xml`配置文件来增大连接超时时间，例如将`hive.spark.client.connect.timeout`的值设置为100000毫秒，以增加等待连接建立的时长，从而避免因网络延迟导致的连接失败。

增加连接的时间

在hive-site.xml中增加，可以加大点数值

<property>
	<name>hive.spark.client.connect.timeout</name>
	<value>100000</value>
</property>

org.eclipse.paho.client.mqttv3.MqttException: 等待来自服务器的响应时超时
renkai721的专栏
09-24 1093
springboot+aliyun mqtt物联网教程，springboot+阿里云物联网教程,org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter -Error connecting or subscribing to,org.eclipse.paho.client.mqttv3.MqttException: 无效客户机标识,等待来自服务器的响应时超时
HiveOnSpark报错：Client ‘xxx‘ timed out waiting for connection from the Remote Spark Driver
benpaodexiaowoniu的博客
01-07 1万+
今天群内看到一个hive on spark报错案例： FAILED: Execution Error, return code 30041 from org.apache.hadoop.hive.ql.exec.spark.SparkTask. Failed to create Spark client for Spark session adecc1e7-9763-4d33-bf4d-7a1...
ERROR [e1a0579b-66cc-4ada-82f5-a79990f47c69 main] client.SparkClientImpl: Timed out waiting for clie
weixin_41877582的博客
10-29 591
![在这里插入图片描述](https://img-blog.csdnimg.cn/45a95c1b77da4e50a0ad70c5a1b4bf9d.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiB 参数，之前是100000修改成了1000000,，然后就成功运行了
hive on spark异常
hua_ed的专栏
03-16 1万+
一、INFO : set mapreduce.job.reduces=&lt;number&gt;ERROR : Failed to execute spark task, with exception 'org.apache.hadoop.hive.ql.metadata.HiveException(Failed to create spark client.)'org.apache.ha...
错误： Timed out waiting for client connection.
qq_43688472的博客
07-24 2195
服务器负载过高：如果服务器负载过高，可能导致无法及时处理客户端连接请求。在这种情况下，等待客户端连接的超时时间可能需要调整。您可以尝试增加超时时间或升级服务器以提高性能。网络连接问题：检查网络连接是否正常，并确保客户端可以与服务器进行通信。防火墙或代理限制：检查防火墙或代理设置，确保它们不会阻止客户端连接。有时，防火墙或代理可能会限制客户端与服务器之间的通信，导致连接超时。客户端配置错误：检查客户端的配置文件或参数设置，确保它们正确配置。可能需要检查客户端连接超时设置，并根据需要进行调整。
提交响应后无法转发_0514Hive On Spark无法创建Spark Client问题分析
weixin_39853523的博客
11-30 432
温馨提示：如果使用电脑查看图片不清晰，可以使用手机打开文章单击文中的图片放大查看高清原图。Fayson的github：https://github.com/fayson/cdhproject提示：代码块部分可以左右滑动查看噢1问题现象测试环境1.RedHat7.22.CM和CDH版本为5.15.0在集群中进行Hive-On-Spark查询失败，并在HiveServer2日志中显示如下错误...
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Factory method 'mongoTemplate' threw exception; nested exception is org.springframework.dao.DataAccessResourceFailureException: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=db-mongo-rs.public-component:4031, type=UNKNOWN, roundTripTime=11.1 ms, state=CONNECTED, exception={com.mongodb.MongoConfigurationException: Replica set name 'null' does not match required replica set name of 'mongo-rs'}}]; nested exception is com.mongodb.MongoTimeoutException: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=db-mongo-rs.public-component:4031, type=UNKNOWN, roundTripTime=11.1 ms, state=CONNECTED, exception={com.mongodb.MongoConfigurationException: Replica set name 'null' does not match required replica set name of 'mongo-rs'}}] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-5.3.29.jar:5.3.29] ... 33 common frames omitted Caused by: org.springframework.dao.DataAccessResourceFailureException: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=db-mongo-rs.public-component:4031, type=UNKNOWN, roundTripTime=11.1 ms, state=CONNECTED, exception={com.mongodb.MongoConfigurationException: Replica set name 'null' does not match required replica set name of 'mongo-rs'}}]; nested exception is com.mongodb.MongoTimeoutException: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=db-mongo-rs.public-component:4031, type=UNKNOWN, roundTripTime=11.1 ms, state=CONNECTED, exception={com.mongodb.MongoConfigurationException: Replica set name 'null' does not match required replica set name of 'mongo-rs'}}] at org.springframework.data.mongodb.core.MongoExceptionTranslator.translateExceptionIfPossible(MongoExceptionTranslator.java:95) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.MongoTemplate.potentiallyConvertRuntimeException(MongoTemplate.java:3029) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.MongoTemplate.execute(MongoTemplate.java:581) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.DefaultIndexOperations.execute(DefaultIndexOperations.java:215) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.DefaultIndexOperations.ensureIndex(DefaultIndexOperations.java:121) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.createIndex(MongoPersistentEntityIndexCreator.java:157) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.checkForAndCreateIndexes(MongoPersistentEntityIndexCreator.java:147) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.checkForIndexes(MongoPersistentEntityIndexCreator.java:131) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.<init>(MongoPersistentEntityIndexCreator.java:96) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.<init>(MongoPersistentEntityIndexCreator.java:73) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.MongoTemplate.<init>(MongoTemplate.java:224) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.boot.autoconfigure.data.mongo.MongoDatabaseFactoryDependentConfiguration.mongoTemplate(MongoDatabaseFactoryDependentConfiguration.java:63) ~[spring-boot-autoconfigure-2.7.15.jar:2.7.15] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.29.jar:5.3.29] ... 34 common frames omitted Caused by: com.mongodb.MongoTimeoutException: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=db-mongo-rs.public-component:4031, type=UNKNOWN, roundTripTime=11.1 ms, state=CONNECTED, exception={com.mongodb.MongoConfigurationException: Replica set name 'null' does not match required replica set name of 'mongo-rs'}}] at com.mongodb.internal.connection.BaseCluster.getDescription(BaseCluster.java:180) ~[mongodb-driver-core-4.6.1.jar:na] at com.mongodb.internal.connection.SingleServerCluster.getDescription(SingleServerCluster.java:44) ~[mongodb-driver-core-4.6.1.jar:na] at com.mongodb.client.internal.MongoClientDelegate.getConnectedClusterDescription(MongoClientDelegate.java:144) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoClientDelegate.createClientSession(MongoClientDelegate.java:101) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.getClientSession(MongoClientDelegate.java:291) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.execute(MongoClientDelegate.java:207) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoCollectionImpl.executeCreateIndexes(MongoCollectionImpl.java:848) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoCollectionImpl.createIndexes(MongoCollectionImpl.java:831) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoCollectionImpl.createIndexes(MongoCollectionImpl.java:826) ~[mongodb-driver-sync-4.6.1.jar:na] at com.mongodb.client.internal.MongoCollectionImpl.createIndex(MongoCollectionImpl.java:811) ~[mongodb-driver-sync-4.6.1.jar:na] at org.springframework.data.mongodb.core.DefaultIndexOperations.lambda$ensureIndex$0(DefaultIndexOperations.java:131) ~[spring-data-mongodb-3.4.15.jar:3.4.15] at org.springframework.data.mongodb.core.MongoTemplate.execute(MongoTemplate.java:579) ~[spring-data-mongodb-3.4.15.jar:3.4.15] ... 46 common frames omitted、
08-07
<think>我们正在解决Spring Boot应用连接MongoDB副本集时因副本集名称不匹配导致的连接超时问题。 主要症状：连接MongoDB副本集时，如果配置的副本集名称与实际副本集名称不一致，会导致连接超时（TimeoutException...
23-Sep-2025 10:00:00.290 WARN [localhost-startStop-1] org.hibernate.id.UUIDHexGenerator.<init> HHH000409: Using org.hibernate.id.UUIDHexGenerator which does not generate IETF RFC 4122 compliant UUID values; consider using org.hibernate.id.UUIDGenerator instead 2025-09-23 10:00:26.384 (Slf4jMLog.java:214) WARN com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@152687ad -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) 2025-09-23 10:00:26.384 (Slf4jMLog.java:214) WARN com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@232e97f2 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) 2025-09-23 10:00:26.384 (Slf4jMLog.java:214) WARN com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@9382bad -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) 2025-09-23 10:00:26.412 (Slf4jMLog.java:211) WARN Having failed to acquire a resource, com.mchange.v2.resourcepool.BasicResourcePool@6b62eef9 is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. 2025-09-23 10:00:26.412 (Slf4jMLog.java:211) WARN Having failed to acquire a resource, com.mchange.v2.resourcepool.BasicResourcePool@6b62eef9 is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. 2025-09-23 10:00:26.414 (Slf4jMLog.java:211) WARN Having failed to acquire a resource, com.mchange.v2.resourcepool.BasicResourcePool@6b62eef9 is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. 2025-09-23 10:00:26.412 (AbstractEngineConfiguration.java:443) ERROR Exception while initializing Database connection java.sql.SQLException: Connections could not be acquired from the underlying database! at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:690) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140) at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:225) at com.sun.proxy.$Proxy89.getMetaData(Unknown Source) at org.flowable.common.engine.impl.AbstractEngineConfiguration.initDatabaseType(AbstractEngineConfiguration.java:416) at org.flowable.common.engine.impl.AbstractEngineConfiguration.initDataSource(AbstractEngineConfiguration.java:408) at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.init(ProcessEngineConfigurationImpl.java:951) at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:915) at org.flowable.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:72) at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:60) at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:32) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103) at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1600) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:372) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1214) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1019) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:566) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1214) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1019) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:566) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:776) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4759) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5229) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:727) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1177) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1925) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source. at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1463) at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:639) at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:549) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:756) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:683) ... 72 more 2025-09-23 10:00:26.415 (Slf4jMLog.java:214) WARN com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask@1ee4a811 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1127) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1114) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1855) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) 2025-09-23 10:00:26.417 (Slf4jMLog.java:211) WARN Having failed to acquire a resource, com.mchange.v2.resourcepool.BasicResourcePool@6b62eef9 is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests. 2025-09-23 10:00:32.673 (AbstractEngineConfiguration.java:443) ERROR Exception while initializing Database connection java.sql.SQLException: An attempt by a client to checkout a Connection has timed out. at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118) at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:77) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:688) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140) at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:225) at com.sun.proxy.$Proxy89.getMetaData(Unknown Source) at org.flowable.common.engine.impl.AbstractEngineConfiguration.initDatabaseType(AbstractEngineConfiguration.java:416) at org.flowable.common.engine.impl.AbstractEngineConfiguration.initDataSource(AbstractEngineConfiguration.java:408) at org.flowable.idm.engine.IdmEngineConfiguration.init(IdmEngineConfiguration.java:180) at org.flowable.idm.engine.IdmEngineConfiguration.buildIdmEngine(IdmEngineConfiguration.java:165) at org.flowable.idm.engine.configurator.IdmEngineConfigurator.configure(IdmEngineConfigurator.java:57) at org.flowable.common.engine.impl.AbstractEngineConfiguration.configuratorsAfterInit(AbstractEngineConfiguration.java:923) at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.init(ProcessEngineConfigurationImpl.java:1016) at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:915) at org.flowable.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:72) at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:60) at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:32) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103) at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1600) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:372) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1214) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1019) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:566) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1214) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1019) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:566) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:776) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4759) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5229) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:727) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1177) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1925) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@6b62eef9 -- timeout at awaitAvailable() at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1461) at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:639) at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:549) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:756) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:683) ... 76 more 23-Sep-2025 10:00:38.926 WARN [localhost-startStop-1] org.hibernate.engine.jdbc.spi.SqlExceptionHelper.logExceptions SQL Error: 0, SQLState: null 23-Sep-2025 10:00:38.927 ERROR [localhost-startStop-1] org.hibernate.engine.jdbc.spi.SqlExceptionHelper.logExceptions An attempt by a client to checkout a Connection has timed out. 2025-09-23 10:00:38.936 (CommandContext.java:215) ERROR masked exception in command context. for root cause, see below as it will be rethrown later. org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Could not open connection at org.springframework.orm.hibernate4.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:544) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.flowable.common.spring.SpringTransactionContext.rollback(SpringTransactionContext.java:60) at org.flowable.common.engine.impl.interceptor.TransactionCommandContextCloseListener.closeFailure(TransactionCommandContextCloseListener.java:46) at org.flowable.common.engine.impl.interceptor.CommandContext.executeCloseListenersCloseFailure(CommandContext.java:181) at org.flowable.common.engine.impl.interceptor.CommandContext.close(CommandContext.java:78) at org.flowable.common.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:81) at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) at org.flowable.idm.engine.impl.IdmEngineImpl.<init>(IdmEngineImpl.java:45) at org.flowable.idm.engine.IdmEngineConfiguration.buildIdmEngine(IdmEngineConfiguration.java:166) at org.flowable.idm.engine.configurator.IdmEngineConfigurator.configure(IdmEngineConfigurator.java:57) at org.flowable.common.engine.impl.AbstractEngineConfiguration.configuratorsAfterInit(AbstractEngineConfiguration.java:923) at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.init(ProcessEngineConfigurationImpl.java:1016) at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:915) at org.flowable.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:72) at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:60) at org.flowable.spring.ProcessEngineFactoryBean.getObject(ProcessEngineFactoryBean.java:32) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103) at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1600) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:372) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1214) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1019) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:566) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1214) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1019) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:566) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:776) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4759) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5229) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:727) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1177) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1925) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:124) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:221) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:157) at org.hibernate.internal.SessionImpl.connection(SessionImpl.java:427) at org.springframework.orm.hibernate4.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:450) ... 78 more Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out. at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118) at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:77) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:688) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140) at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:164) at org.hibernate.service.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:141) at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:301) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214) ... 81 more Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@6b62eef9 -- timeout at awaitAvailable() at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1461) at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:639) at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:549) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:756) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:683) ... 86 more 23-Sep-2025 10:00:38.952 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.startInternal 一个或多个listeners启动失败，更多详细信息查看对应的容器日志文件 23-Sep-2025 10:00:38.952 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.startInternal 由于之前的错误，Context[]启动失败 23-Sep-2025 10:00:39.080 警告 [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc Web应用程序 [ROOT] 注册了JDBC驱动程序 [com.mysql.cj.jdbc.Driver]，但在Web应用程序停止时无法注销它。 为防止内存泄漏，JDBC驱动程序已被强制取消注册。 23-Sep-2025 10:00:39.084 警告 [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads Web应用程序[ROOT]似乎启动了一个名为[mysql-cj-abandoned-connection-cleanup]的线程，但未能停止它。这很可能会造成内存泄漏。线程的堆栈跟踪：[ java.lang.Object.wait(Native Method) java.lang.ref.ReferenceQueue.remove(Unknown Source) com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:85) java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) java.lang.Thread.run(Unknown Source)] 23-Sep-2025 10:00:39.099 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Web应用程序目录[D:\wusiServer\tomcat_gms\webapps\ROOT]的部署已在[70,437]毫秒内完成 23-Sep-2025 10:00:39.104 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["http-nio-8080"] 23-Sep-2025 10:00:39.146 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 70506 ms 23-Sep-2025 10:00:40.433 信息 [mysql-cj-abandoned-connection-cleanup] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading 非法访问：此Web应用程序实例已停止。无法加载[]。为了调试以及终止导致非法访问的线程，将抛出以下堆栈跟踪。 java.lang.IllegalStateException: 非法访问：此Web应用程序实例已停止。无法加载[]。为了调试以及终止导致非法访问的线程，将抛出以下堆栈跟踪。 at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1440) at org.apache.catalina.loader.WebappClassLoaderBase.getResource(WebappClassLoaderBase.java:1065) at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.checkThreadContextClassLoader(AbandonedConnectionCleanupThread.java:117) at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:84) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
最新发布
09-24
```java import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import org.hibernate.annotations....
看下这个报错 [2025-09-04 16:01:07,128] ERROR Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer) kafka.zookeeper.ZooKeeperClientTimeoutException: Timed out waiting for connection while in state: CONNECTING at kafka.zookeeper.ZooKeeperClient.$anonfun$waitUntilConnected$3(ZooKeeperClient.scala:242) at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23) at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:251) at kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:238) at kafka.zookeeper.ZooKeeperClient.<init>(ZooKeeperClient.scala:96) at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1825) at kafka.server.KafkaServer.createZkClient$1(KafkaServer.scala:361) at kafka.server.KafkaServer.initZkClient(KafkaServer.scala:385) at kafka.server.KafkaServer.startup(KafkaServer.scala:205) at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:38) at kafka.Kafka$.main(Kafka.scala:75) at kafka.Kafka.main(Kafka.scala) [2025-09-04 16:01:07,129] INFO shutting down (kafka.server.KafkaServer) [2025-09-04 16:01:07,132] INFO shut down completed (kafka.server.KafkaServer) [2025-09-04 16:01:07,132] ERROR Exiting Kafka. (kafka.server.KafkaServerStartable) [2025-09-04 16:01:07,133] INFO shutting down (kafka.server.KafkaServer)
09-05
- **关键信息**: `Timed out waiting for connection while in state: CONNECTING` - **影响**: Kafka Server 因无法连接 ZooKeeper 而启动失败，最终退出。 --- #### **2. 根本原因** 此错误表明 **Kafka 无法在...
Kafka报错连接超时:Timed out waiting for connection while in state: CONNECTING
weixin_48960305的博客
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报错连接zookeeper超时 swhua@swhua:~/Desktop/kafka_2.13-2.7.0$ bin/kafka-topics.sh --create --zookeeper localhost:9092 --replication-factor 1 --partitions 1 --topic matchresult --config cleanup.policy=compact [2021-05-09 16:56:39,279] WARN Client session timed o
windows下安装spark报错 Error while instantiating ‘org.apache.spark.sql.hive.HiveSessionState‘
我俏丽吗的博客
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windows下安装sparkFailed to get database default, returning NoSuchObjectException java.lang.IllegalArgumentException: Error while instantiating 'org.apache.spark.sql.hive.HiveSessionState':新的改变功能快捷键合理的创建标题，有助于目录的生成windows 安装完spark执行spark-shell 报错如下:失败截图解决方法:再
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weixin_47340211的博客
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spark纯净版本和带hadoop依赖的jar包这里都必须是3.0.0。去hive-stie.xml中添加如下配置。去hive的lib目录下查看。还有原因可能是版本不匹配。
hive spark连接超时
qq_45887821的博客
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使用hive报错 ql.Driver: FAILED: SemanticException Failed to get a spark session: org.apache.hadoop.hive.ql.metadata.HiveException: Failed to create Spark client for Spark session ce22776f-34da-4eb0-84f5-0aa3fcefaf3a 查看报错日志发现 client.SparkClientImpl: Timed ou
Spark程序运行常见错误解决方法以及优化
AcceptedLin的博客
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Spark程序运行常见错误解决方法及优化 一.org.apache.spark.shuffle.FetchFailedException 1.问题描述 这种问题一般发生在有大量shuffle操作的时候,task不断的failed,然后又重执行，一直循环下去，非常的耗时。 2.报错提示 (1) missing output loc...
HiveOnSpark报错 timed out waiting for connection from the Remote Spark Driver
sunxunyong的博客
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2、hive.spark.client.connect.timeout：该参数是客户端配置，用来控制远程spark集群中的sparkdriver跟hive客户端建立连接的时间，默认1秒；1、hive.spark.client.server.connect.timeout：该参数是服务端配置，用来控制hive客户端跟远程spark集群中的sparkdriver建立连接的超时时间，默认90秒。最好设置成8的倍数。Hive client请求Spark driver的超时时间，如果没有指定时间单位，默认就是秒。
Spark 连接Hive 表格失败
一杯派蒙的博客
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spark 连接hive 在Windows本地跑不动，报错如下。 只需要把jar 运行的jar 包打包，放到linux 上即可。 2018-06-11 08:56:50,734 : WARN : Hive : &lt;clinit&gt; : Failed to access metastore. This class should not accessed in runtime. org....
【Hive基础】-- Hive Catalog
欢迎来到我的博客，一起探索代码里的世界！
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2.2 Hive Catalog 的组成部分。4.3 Hive Catalog 的性能优化。4.2 Hive Catalog 的自定义。1.2 Hive Catalog 的作用。2.Hive Catalog 的基础知识。2.1 Hive Catalog 的类型。2.3 Hive Catalog 的架构。4.1 Hive Catalog 的扩展。5.1 Hive Catalog 的优势。5.2 Hive Catalog 的不足。5.3 Hive Catalog 的未来。3.2.1 HCatalog 的作用。
分享几个自认为不错的学习Spark的视频资源（百度云）
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lzw2016的博客
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有段时间没写大数据相关的博客了，主要是最近一边学着Spark，一边手上做着基于Hadoop的实现一个web端推荐系统的项目。 想写点东西，整理了一会儿发现写的不咋地就没发出来，这次就放几个Spark的学习视频资源吧，是百度云链接啊 学习 Scala 进击大数据 Spark 生态圈：https://pan.baidu.com/s/1Ld35QE4xfsOQ9o6qFwxL0A 密码：detm Sp...
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