tomcat启动提示server.xml的context节点中不支持source属性警告的解决方法

本文解释了Tomcat启动时出现的警告信息原因,即server.xml文件中的Context元素包含不支持的source属性。建议不要直接在server.xml中配置Context元素以避免重启才能生效的问题,并提供了修改Eclipse中Tomcat配置的方法。

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Tomcat启动时提示:

 

2011-4-17 0:33:27 org.apache.tomcat.util.digester.SetPropertiesRule begin

警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:Epai-0.1' did not find a matching property.

[SetPropertiesRule]警告的原因是Tomcat6.0的server.xml的context节点中不支持source属性,详细可以访问tomcat.apache.org,具体相关内容是:

For Tomcat 6, unlike Tomcat 4.x, it is NOT recommended to place <Context> elements directly in the server.xml file. This is because it makes modifying the Context configuration more invasive since the main conf/server.xml file cannot be reloaded without restarting Tomcat.

通关官网文档就可以轻松找到解决办法了。

这里通过修改Tomcat server配置(使用的是eclipse)。关闭server,然后在server视图中双击server,打开配置界面,选中下面的”Publish module contexts to separate XML files”,保存退出

springbooy使用shardingsphere_driud报错日子如下 Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-08-11 10:31:45 - Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration': Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/apache/tomcat/dbcp/dbcp2/BasicDataSource at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:409) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1341) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1181) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207) at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:229) at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:723) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:536) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:755) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:402) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1247) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1236) at com.ahcoder.taskone.TaskOneApplication.main(TaskOneApplication.java:29) Caused by: java.lang.NoClassDefFoundError: org/apache/tomcat/dbcp/dbcp2/BasicDataSource at org.apache.shardingsphere.infra.datasource.pool.metadata.type.dbcp.TomcatDBCPDataSourcePoolMetaData.getType(TomcatDBCPDataSourcePoolMetaData.java:67) at org.apache.shardingsphere.spi.typed.TypedSPIRegistry.lambda$findRegisteredService$0(TypedSPIRegistry.java:44) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174) at java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1359) at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126) at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464) at org.apache.shardingsphere.spi.typed.TypedSPIRegistry.findRegisteredService(TypedSPIRegistry.java:44) at org.apache.shardingsphere.infra.datasource.pool.metadata.DataSourcePoolMetaDataFactory.newInstance(DataSourcePoolMetaDataFactory.java:46) at org.apache.shardingsphere.infra.datasource.props.DataSourceProperties.<init>(DataSourceProperties.java:53) at org.apache.shardingsphere.spring.boot.datasource.DataSourceMapSetter.getDataSource(DataSourceMapSetter.java:92) at org.apache.shardingsphere.spring.boot.datasource.DataSourceMapSetter.getDataSourceMap(DataSourceMapSetter.java:65) at org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration.setEnvironment(ShardingSphereAutoConfiguration.java:122) at org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:108) at org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:100) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:415) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1791) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ... 25 common frames omitted Caused by: java.lang.ClassNotFoundException: org.apache.tomcat.dbcp.dbcp2.BasicDataSource at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 47 common frames omitted yml配置文件如下 spring: application: name: task-one # ShardingSphere配置 shardingsphere: mode: type: Standalone # 单机模式 datasource: names: ds-base,ds-2023,ds-2024 default-data-source-name: ds-base # 默认数据源 ds-base: data-source-class-name: com.alibaba.druid.pool.DruidDataSource type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysql.cj.jdbc.Driver url: jdbc:mysql://localhost:3306/practice?useSSL=false&serverTimezone=UTC username: root password: 123456 ds-2023: data-source-class-name: com.alibaba.druid.pool.DruidDataSource type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysql.cj.jdbc.Driver url: jdbc:mysql://localhost:3306/crm_2023?useSSL=false&serverTimezone=UTC username: root password: 123456 ds-2024: data-source-class-name: com.alibaba.druid.pool.DruidDataSource type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysql.cj.jdbc.Driver url: jdbc:mysql://localhost:3306/crm_2024?useSSL=false&serverTimezone=UTC username: root password: 123456 # 分片规则配置 rules: sharding: # 配置分表 tables: # 表名(逻辑表) product_history: # 实际数据节点,格式:数据源名.表名(多个用逗号分隔,这里使用表达式表示多个) actual-data-nodes: ds-$->{2023..2024}.product_history_$->{1..12} # 分库策略 database-strategy: standard: sharding-column: id sharding-algorithm-name: database-inline # 分表策略 table-strategy: standard: sharding-column: id sharding-algorithm-name: table-inline # 分布式主键生成策略 key-generate-strategy: column: id key-generator-name: snowflake # 分片算法配置 sharding-algorithms: database-inline: type: INLINE props: algorithm-expression: ds-$->{id % 3} # 分库规则:按user_id取模,分到3个库 table-inline: type: INLINE props: algorithm-expression: product_history_$->{id % 2} # 分表规则:按user_id取模,分到2个表 # 分布式序列算法配置(雪花算法) key-generators: snowflake: type: SNOWFLAKE props: worker-id: 123 # 其他属性 props: sql-show: true # 打印SQL pom文件如下 <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.2.8</version> </dependency> <dependency> <groupId>org.apache.shardingsphere</groupId> <artifactId>shardingsphere-jdbc-core-spring-boot-starter</artifactId> <version>5.1.1</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency>
最新发布
08-12
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