2012.3.13java.util

得开始慢慢学习了。



java.util包含了java中最强大的子系统-----集合(collections)


集合接口: Collection        :处理一组对象

     List                   :扩展Collection接口来处理序列(对象的列表)

     Set                    :扩展Collection接口来处理集合,集合中的元素是唯一的

     SortedSet        :扩展Set接口处理排序的集合。



定义的方法:

1.  boolean add(obj):将obj添加的调用的集合中     能添加所有类型的对象  (简单类型除外如int double等)

2.  boolean addAll(Collection C):添加C中的所有元素到调用该方法的集合中去

3. void clear(): 清除list中的所有对象

4. boolean contain(obj): 检查是否包含obj,若是,则返回true

5. boolean containAll(Collection C): 检查是否包含C中的所有元素,若是。则true

6. Iterator iterator():  创建一个iterator对象方法,用于迭代list中的所有元素对象

7. boolean remove(obj): 删除obj

8.  boolean removeAll(Collection C):  删除C的所有元素

9.  boolean  retainAll(Collection C):   删除除了C外的所有元素

10.int size():  获取size

11.Object[] toArray():  将list转换为数组

12.Object[] toArray(Object array[]):  将list转化为固定类型的数组

13.boolean equals(obj):调用集合是否和obj相等



一  ArrayList

void add(int,obj)   将obj插入到列表的int处

boolean addAll(int,Collection c)   将c中的所有元素添加到int处

Object get(int)    获取int处的obj

int indexOf(Obj)    返回第一个出现obj的位置

int lastIndexOf(obj)    返回最后一次出现obj的位置

...


构造函数:

1.ArrayList()

2.ArrayList(Collection c)

3.ArrayList(int capacity)


eg:

class ArrayListDemo{

public static void main (String args[]){

ArrayList al = new ArrayList();

al.add("A");

al.add("B“);

al.add("C");

al.add(1,"D");

system.out.printlin("SIZE:" + al.size());


al.remove("A");

al.remove(2);

system.out.println(al);


/*转换为数组*/

ArrayList al2 = new ArrayList();

al2.add(new Integer(1));

al2.add(new Integer(2));

al2.add(new Integer(3));

al2.add(new Integer(4));


Object ia[] = al2.toArray();

int sum = 0;

for(int i = 0;i<ia.length;i++){

sum += ( (Integer)ia[i] ).intValue();

system.out.println(sum);

}

}

}


输出结果:

SIZE: 4

DC

10



二 LinkedList

构造函数:

1.LinkedList()

2.LinkedList(Collection c)


方法:

1.void addFirst(obj)

2.void addLast(obj)


3.Object getFirst()

4.Object getLast()


5,Object removeFirst()

6.Object removeLast()



eg.


class LinkedListDemo{

public static void main(String args[]){

LinkedList ll = new LinkedList()

ll.add("l");

ll.add("u");

ll.add("c");

ll.add("y");

ll.addFirst("H");

ll.addLast("Y");


System.Out.Println(ll);


ll.removeFirst();

ll.removeLast();


System.Out.Println(ll);


Object  val = ll.get(3);

ll.set(3,(String)val + " miss you");


System.Out.Println(ll);

}

}


输出:


HlucyY

lucy

lucy miss you
















































at org.apache.catalina.core.StandardServer.startInternal(StandardServer. java:930) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:486) ~[null:9.0. 46] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initiali ze(TomcatWebServer.java:123) ~[null:2.3.12.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(T omcatWebServer.java:104) ~[null:2.3.12.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFa ctory.getTomcatWebServer(TomcatServletWebServerFactory.java:440) ~[null:2.3.12.R ELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFa ctory.getWebServer(TomcatServletWebServerFactory.java:193) ~[null:2.3.12.RELEASE ] at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.createWebServer(ServletWebServerApplicationContext.java:178) ~[null:2 .3.12.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.onRefresh(ServletWebServerApplicationContext.java:158) ~[null:2.3.12. RELEASE] at org.springframework.context.support.AbstractApplicationContext.refres h(AbstractApplicationContext.java:545) ~[null:5.2.15.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.refresh(ServletWebServerApplicationContext.java:143) ~[null:2.3.12.RE LEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication. java:755) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication. java:747) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringAppli cation.java:402) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java :312) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java :1247) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java :1236) ~[null:2.3.12.RELEASE] at com.kucun.DemoApplication.main(DemoApplication.java:41) ~[rsrc:./:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:62) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoa der.java:58) ~[rsrc:./:na] Caused by: org.apache.catalina.LifecycleException: A child container failed duri ng start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:928) ~[null:9.0.46] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java :829) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1384) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1374) ~[null:9.0.46] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[ na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineEx ecutorService.java:75) ~[null:9.0.46] at java.base/java.util.concurrent.AbstractExecutorService.submit(Abstrac tExecutorService.java:140) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:909) ~[null:9.0.46] ... 27 common frames omitted Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.Lifecycl eException: Failed to initialize component [org.apache.catalina.webresources.Sta ndardRoot@6c3659be] at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:na] at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) ~[ na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:916) ~[null:9.0.46] ... 35 common frames omitted Caused by: org.apache.catalina.LifecycleException: Failed to initialize componen t [org.apache.catalina.webresources.StandardRoot@6c3659be] at org.apache.catalina.util.LifecycleBase.handleSubClassException(Lifecy cleBase.java:440) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:139) ~ [null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:173) ~[null:9.0.46] at org.apache.catalina.core.StandardContext.resourcesStart(StandardConte xt.java:4830) ~[null:9.0.46] at org.apache.catalina.core.StandardContext.startInternal(StandardContex t.java:4966) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1384) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1374) ~[null:9.0.46] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[ na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineEx ecutorService.java:75) ~[null:9.0.46] at java.base/java.util.concurrent.AbstractExecutorService.submit(Abstrac tExecutorService.java:140) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:909) ~[null:9.0.46] ... 35 common frames omitted Caused by: java.lang.Error: factory already defined at java.base/java.net.URL.setURLStreamHandlerFactory(URL.java:1184) ~[na :na] at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.<init> (TomcatURLStreamHandlerFactory.java:130) ~[null:9.0.46] at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.getIns tanceInternal(TomcatURLStreamHandlerFactory.java:53) ~[null:9.0.46] at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.regist er(TomcatURLStreamHandlerFactory.java:77) ~[null:9.0.46] at org.apache.catalina.webresources.StandardRoot.registerURLStreamHandle rFactory(StandardRoot.java:700) ~[null:9.0.46] at org.apache.catalina.webresources.StandardRoot.initInternal(StandardRo ot.java:682) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136) ~ [null:9.0.46] ... 45 common frames omitted 2012-08-04 20:52:28.378 INFO 3416 --- [ main] o.apache.catalina.core. StandardService : Stopping service [Tomcat] 2012-08-04 20:52:28.394 WARN 3416 --- [ main] ConfigServletWebServerA pplicationContext : Exception encountered during context initialization - cancel ling refresh attempt: org.springframework.context.ApplicationContextException: U nable to start web server; nested exception is org.springframework.boot.web.serv er.WebServerException: Unable to start embedded Tomcat 2012-08-04 20:52:28.425 INFO 3416 --- [ main] ConditionEvaluationRepo rtLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with &#39;debug&#39; enabled. 2012-08-04 20:52:28.456 ERROR 3416 --- [ main] o.s.boot.SpringApplicat ion : Application run failed org.springframework.context.ApplicationContextException: Unable to start web ser ver; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.onRefresh(ServletWebServerApplicationContext.java:161) ~[null:2.3.12. RELEASE] at org.springframework.context.support.AbstractApplicationContext.refres h(AbstractApplicationContext.java:545) ~[null:5.2.15.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.refresh(ServletWebServerApplicationContext.java:143) ~[null:2.3.12.RE LEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication. java:755) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication. java:747) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringAppli cation.java:402) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java :312) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java :1247) ~[null:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java :1236) ~[null:2.3.12.RELEASE] at com.kucun.DemoApplication.main(DemoApplication.java:41) ~[rsrc:./:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:62) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoa der.java:58) ~[rsrc:./:na] Caused by: org.springframework.boot.web.server.WebServerException: Unable to sta rt embedded Tomcat at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initiali ze(TomcatWebServer.java:142) ~[null:2.3.12.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(T omcatWebServer.java:104) ~[null:2.3.12.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFa ctory.getTomcatWebServer(TomcatServletWebServerFactory.java:440) ~[null:2.3.12.R ELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFa ctory.getWebServer(TomcatServletWebServerFactory.java:193) ~[null:2.3.12.RELEASE ] at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.createWebServer(ServletWebServerApplicationContext.java:178) ~[null:2 .3.12.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicat ionContext.onRefresh(ServletWebServerApplicationContext.java:158) ~[null:2.3.12. RELEASE] ... 14 common frames omitted Caused by: org.apache.catalina.LifecycleException: A child container failed duri ng start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:928) ~[null:9.0.46] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine. java:262) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.core.StandardService.startInternal(StandardServic e.java:433) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.core.StandardServer.startInternal(StandardServer. java:930) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:486) ~[null:9.0. 46] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initiali ze(TomcatWebServer.java:123) ~[null:2.3.12.RELEASE] ... 19 common frames omitted Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.Lifecycl eException: A child container failed during start at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:na] at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) ~[ na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:916) ~[null:9.0.46] ... 27 common frames omitted Caused by: org.apache.catalina.LifecycleException: A child container failed duri ng start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:928) ~[null:9.0.46] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java :829) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1384) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1374) ~[null:9.0.46] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[ na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineEx ecutorService.java:75) ~[null:9.0.46] at java.base/java.util.concurrent.AbstractExecutorService.submit(Abstrac tExecutorService.java:140) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:909) ~[null:9.0.46] ... 27 common frames omitted Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.Lifecycl eException: Failed to initialize component [org.apache.catalina.webresources.Sta ndardRoot@6c3659be] at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:na] at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) ~[ na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:916) ~[null:9.0.46] ... 35 common frames omitted Caused by: org.apache.catalina.LifecycleException: Failed to initialize componen t [org.apache.catalina.webresources.StandardRoot@6c3659be] at org.apache.catalina.util.LifecycleBase.handleSubClassException(Lifecy cleBase.java:440) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:139) ~ [null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:173) ~[null:9.0.46] at org.apache.catalina.core.StandardContext.resourcesStart(StandardConte xt.java:4830) ~[null:9.0.46] at org.apache.catalina.core.StandardContext.startInternal(StandardContex t.java:4966) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1384) ~[null:9.0.46] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase. java:1374) ~[null:9.0.46] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[ na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineEx ecutorService.java:75) ~[null:9.0.46] at java.base/java.util.concurrent.AbstractExecutorService.submit(Abstrac tExecutorService.java:140) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.ja va:909) ~[null:9.0.46] ... 35 common frames omitted Caused by: java.lang.Error: factory already defined at java.base/java.net.URL.setURLStreamHandlerFactory(URL.java:1184) ~[na :na] at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.<init> (TomcatURLStreamHandlerFactory.java:130) ~[null:9.0.46] at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.getIns tanceInternal(TomcatURLStreamHandlerFactory.java:53) ~[null:9.0.46] at org.apache.catalina.webresources.TomcatURLStreamHandlerFactory.regist er(TomcatURLStreamHandlerFactory.java:77) ~[null:9.0.46] at org.apache.catalina.webresources.StandardRoot.registerURLStreamHandle rFactory(StandardRoot.java:700) ~[null:9.0.46] at org.apache.catalina.webresources.StandardRoot.initInternal(StandardRo ot.java:682) ~[null:9.0.46] at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136) ~ [null:9.0.46] ... 45 common frames omitted
06-27
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invok (NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.i voke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:34 ) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473 Caused by: org.apache.catalina.LifecycleException: 鏃犳硶鍚姩缁勪欢[St ndardEngine[Catalina].StandardHost[localhost].StandardContext[/KuCun2]] at org.apache.catalina.util.LifecycleBase.handleSubClassExceptio (LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.ja a:198) at org.apache.catalina.core.ContainerBase.addChildInternal(Conta nerBase.java:717) ... 37 more Caused by: org.springframework.beans.factory.BeanCreationException: Erro creating bean with name &#39;entityManagerFactory&#39; defined in class path resource org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class] Invocation of init method failed; nested exception is javax.persistence.Persis enceException: [PersistenceUnit: default] Unable to build Hibernate SessionFact ry; nested exception is org.hibernate.exception.JDBCConnectionException: Unable to open JDBC Connection for DDL execution at org.springframework.beans.factory.support.AbstractAutowireCap bleBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1799) at org.springframework.beans.factory.support.AbstractAutowireCap bleBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) at org.springframework.beans.factory.support.AbstractAutowireCap bleBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBea Registry.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.context.support.AbstractApplicationContex .getBean(AbstractApplicationContext.java:1109) at org.springframework.context.support.AbstractApplicationContex .finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContex .refresh(AbstractApplicationContext.java:551) at org.springframework.boot.web.servlet.context.ServletWebServer pplicationContext.refresh(ServletWebServerApplicationContext.java:143) at org.springframework.boot.SpringApplication.refresh(SpringAppl cation.java:755) at org.springframework.boot.SpringApplication.refresh(SpringAppl cation.java:747) at org.springframework.boot.SpringApplication.refreshContext(Spr ngApplication.java:402) at org.springframework.boot.SpringApplication.run(SpringApplicat on.java:312) at org.springframework.boot.web.servlet.support.SpringBootServle Initializer.run(SpringBootServletInitializer.java:173) at org.springframework.boot.web.servlet.support.SpringBootServle Initializer.createRootApplicationContext(SpringBootServletInitializer.java:153) at org.springframework.boot.web.servlet.support.SpringBootServle Initializer.onStartup(SpringBootServletInitializer.java:95) at org.springframework.web.SpringServletContainerInitializer.onS artup(SpringServletContainerInitializer.java:172) at org.apache.catalina.core.StandardContext.startInternal(Standa dContext.java:5128) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.ja a:183) ... 38 more Caused by: javax.persistence.PersistenceException: [PersistenceUnit: def ult] Unable to build Hibernate SessionFactory; nested exception is org.hibernat .exception.JDBCConnectionException: Unable to open JDBC Connection for DDL exec tion at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean. uildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:403) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean. fterPropertiesSet(AbstractEntityManagerFactoryBean.java:378) at org.springframework.orm.jpa.LocalContainerEntityManagerFactor Bean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341) at org.springframework.beans.factory.support.AbstractAutowireCap bleBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1858) at org.springframework.beans.factory.support.AbstractAutowireCap bleBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1795) ... 58 more Caused by: org.hibernate.exception.JDBCConnectionException: Unable to op n JDBC Connection for DDL execution at org.hibernate.exception.internal.SQLStateConversionDelegate.c nvert(SQLStateConversionDelegate.java:112) at org.hibernate.exception.internal.StandardSQLExceptionConverte .convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlE ceptionHelper.java:113) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlE ceptionHelper.java:99) at org.hibernate.resource.transaction.backend.jdbc.internal.DdlT ansactionIsolatorNonJtaImpl.getIsolatedConnection(DdlTransactionIsolatorNonJtaI pl.java:69) at org.hibernate.tool.schema.internal.exec.ImprovedExtractionCon extImpl.getJdbcConnection(ImprovedExtractionContextImpl.java:60) at org.hibernate.tool.schema.internal.exec.ImprovedExtractionCon extImpl.getJdbcDatabaseMetaData(ImprovedExtractionContextImpl.java:67) at org.hibernate.tool.schema.extract.internal.InformationExtract rJdbcDatabaseMetaDataImpl.getTables(InformationExtractorJdbcDatabaseMetaDataImp .java:333) at org.hibernate.tool.schema.extract.internal.DatabaseInformatio Impl.getTablesInformation(DatabaseInformationImpl.java:120) at org.hibernate.tool.schema.internal.GroupedSchemaMigratorImpl. erformTablesMigration(GroupedSchemaMigratorImpl.java:65) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.per ormMigration(AbstractSchemaMigrator.java:207) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.doM gration(AbstractSchemaMigrator.java:114) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator performDatabaseAction(SchemaManagementToolCoordinator.java:184) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator process(SchemaManagementToolCoordinator.java:73) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFacto yImpl.java:318) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(S ssionFactoryBuilderImpl.java:468) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderIm l.build(EntityManagerFactoryBuilderImpl.java:1259) at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersiste ceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistencePro ider.java:58) at org.springframework.orm.jpa.LocalContainerEntityManagerFactor Bean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.ja a:365) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean. uildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:391) ... 62 more Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communi ations link failure he last packet sent successfully to the server was 0 milliseconds ago. The driv r has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsExc ption(SQLError.java:175) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateEx eption(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.j va:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:4 6) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.j va:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegistering river.java:188) at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverD taSource.java:138) at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:3 8) at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:20 ) at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool. ava:477) at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.ja a:560) at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSo rce.java:112) at org.hibernate.engine.jdbc.connections.internal.DatasourceConn ctionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122) at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiat r$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitia or.java:180) at org.hibernate.resource.transaction.backend.jdbc.internal.DdlT ansactionIsolatorNonJtaImpl.getIsolatedConnection(DdlTransactionIsolatorNonJtaI pl.java:43) ... 77 more Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communicat ons link failure he last packet sent successfully to the server was 0 milliseconds ago. The driv r has not received any packets from the server. at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl. ewInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl. ewInstance(NativeConstructorAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorI pl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstance(Construct r.java:490) at com.mysql.cj.exceptions.ExceptionFactory.createException(Exce tionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(Exce tionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(Exce tionFactory.java:150) at com.mysql.cj.exceptions.ExceptionFactory.createCommunications xception(ExceptionFactory.java:166) at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection NativeProtocol.java:379) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect( ativeAuthenticationProvider.java:206) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(Connection mpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.j va:815) ... 90 more Caused by: javax.net.ssl.SSLHandshakeException: NotBefore: Fri Jun 27 18 58:12 CST 2025 at java.base/sun.security.ssl.Alert.createSSLException(Alert.jav :128) at java.base/sun.security.ssl.TransportContext.fatal(TransportCo text.java:321) at java.base/sun.security.ssl.TransportContext.fatal(TransportCo text.java:264) at java.base/sun.security.ssl.TransportContext.fatal(TransportCo text.java:259) at java.base/sun.security.ssl.CertificateMessage$T13CertificateC nsumer.checkServerCerts(CertificateMessage.java:1329) at java.base/sun.security.ssl.CertificateMessage$T13CertificateC nsumer.onConsumeCertificate(CertificateMessage.java:1204) at java.base/sun.security.ssl.CertificateMessage$T13CertificateC nsumer.consume(CertificateMessage.java:1151) at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake. ava:392) at java.base/sun.security.ssl.HandshakeContext.dispatch(Handshak Context.java:444) at java.base/sun.security.ssl.HandshakeContext.dispatch(Handshak Context.java:421) at java.base/sun.security.ssl.TransportContext.dispatch(Transpor Context.java:178) at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.j va:164) at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl java:1152) at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord( SLSocketImpl.java:1063) at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSo ketImpl.java:402) at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(Ex ortControlled.java:347) at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandsha e(StandardSocketFactory.java:191) at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHand hake(NativeSocketConnection.java:101) at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection NativeProtocol.java:370) ... 95 more Caused by: java.security.cert.CertificateNotYetValidException: NotBefore Fri Jun 27 18:58:12 CST 2025 at java.base/sun.security.x509.CertificateValidity.valid(Certifi ateValidity.java:270) at java.base/sun.security.x509.X509CertImpl.checkValidity(X509Ce tImpl.java:687) at java.base/sun.security.x509.X509CertImpl.checkValidity(X509Ce tImpl.java:660) at com.mysql.cj.protocol.ExportControlled$X509TrustManagerWrappe .checkServerTrusted(ExportControlled.java:392) at java.base/sun.security.ssl.AbstractTrustManagerWrapper.checkS rverTrusted(SSLContextImpl.java:1509) at java.base/sun.security.ssl.CertificateMessage$T13CertificateC nsumer.checkServerCerts(CertificateMessage.java:1313) ... 109 more 3-Jun-2012 02:43:37.673 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyWAR web搴旂敤绋嬪簭瀛樻。鏂囦欢[D:\apache-tomcat-9.0.37\webapps\KuCun2.war] 鐨勯儴缃插凡鍦╗34,866]ms鍐呭畬鎴? 3-Jun-2012 02:43:37.673 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰?[D:\apache-tomcat-9.0.37\webapps docs] 3-Jun-2012 02:43:37.829 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory Web搴旂敤绋嬪簭鐩綍[D:\apache-tomcat-9.0.37\webapps\docs]鐨勯儴 缃插凡鍦╗156]姣鍐呭畬鎴? 3-Jun-2012 02:43:37.829 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰?[D:\apache-tomcat-9.0.37\webapps examples] 3-Jun-2012 02:43:39.826 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory Web搴旂敤绋嬪簭鐩綍[D:\apache-tomcat-9.0.37\webapps\examples]鐨 勯儴缃插凡鍦╗1,997]姣鍐呭畬鎴? 3-Jun-2012 02:43:39.842 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰?[D:\apache-tomcat-9.0.37\webapps host-manager] 3-Jun-2012 02:43:39.982 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory Web搴旂敤绋嬪簭鐩綍[D:\apache-tomcat-9.0.37\webapps\host-manager 鐨勯儴缃插凡鍦╗140]姣鍐呭畬鎴? 3-Jun-2012 02:43:39.982 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰?[D:\apache-tomcat-9.0.37\webapps manager] 3-Jun-2012 02:43:40.091 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory Web搴旂敤绋嬪簭鐩綍[D:\apache-tomcat-9.0.37\webapps\manager]鐨勯 儴缃插凡鍦╗109]姣鍐呭畬鎴? 3-Jun-2012 02:43:40.091 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰?[D:\apache-tomcat-9.0.37\webapps ROOT] 3-Jun-2012 02:43:40.138 淇℃伅 [main] org.apache.catalina.startup.HostConfig.de loyDirectory Web搴旂敤绋嬪簭鐩綍[D:\apache-tomcat-9.0.37\webapps\ROOT]鐨勯儴 缃插凡鍦╗47]姣鍐呭畬鎴? 3-Jun-2012 02:43:40.154 淇℃伅 [main] org.apache.coyote.AbstractProtocol.start 寮€濮嬪崗璁鐞嗗彞鏌刐"http-nio-8080"] 3-Jun-2012 02:43:40.200 淇℃伅 [main] org.apache.coyote.AbstractProtocol.start 寮€濮嬪崗璁鐞嗗彞鏌刐"https-jsse-nio-8443"] 3-Jun-2012 02:43:40.216 淇℃伅 [main] org.apache.catalina.startup.Catalina.star [37875]姣鍚庢湇鍔″櫒鍚姩
07-18
org.eclipse.birt.report.data.oda.jdbc.JDBCException: 获取连接时出错,用户 &#39;sa&#39; 登录失败。 ClientConnectionId:29fcb7de-e9dc-4abd-a52f-7dd610aaa5ac。 at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.doConnect(JDBCDriverManager.java:339) at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.getConnection(JDBCDriverManager.java:210) at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.tryCreateConnection(JDBCDriverManager.java:827) at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.testConnection(JDBCDriverManager.java:748) at org.eclipse.birt.report.data.oda.jdbc.ui.util.DriverLoader.testConnection(DriverLoader.java:147) at org.eclipse.birt.report.data.oda.jdbc.ui.util.DriverLoader.testConnection(DriverLoader.java:175) at org.eclipse.birt.report.data.oda.jdbc.ui.profile.JDBCSelectionPageHelper.testConnection(JDBCSelectionPageHelper.java:998) at org.eclipse.birt.report.data.oda.jdbc.ui.profile.JDBCSelectionPageHelper.access$11(JDBCSelectionPageHelper.java:960) at org.eclipse.birt.report.data.oda.jdbc.ui.profile.JDBCSelectionPageHelper$8.widgetSelected(JDBCSelectionPageHelper.java:883) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769) at org.eclipse.jface.window.Window.runEventLoop(Window.java:827) at org.eclipse.jface.window.Window.open(Window.java:803) at org.eclipse.birt.report.designer.ui.dialogs.BaseDialog.open(BaseDialog.java:117) at org.eclipse.birt.report.designer.data.ui.providers.EditableDataSourceNodeProvider.performEdit(EditableDataSourceNodeProvider.java:73) at org.eclipse.birt.report.designer.internal.ui.views.DefaultNodeProvider.performRequest(DefaultNodeProvider.java:472) at org.eclipse.birt.report.designer.internal.ui.views.actions.EditAction.doAction(EditAction.java:85) at org.eclipse.birt.report.designer.internal.ui.views.actions.AbstractElementAction.run(AbstractElementAction.java:70) at org.eclipse.birt.report.designer.internal.ui.views.RenameListener.doubleClick(RenameListener.java:214) at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:832) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:829) at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1470) at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1263) at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:252) at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:249) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:311) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608) at org.eclipse.equinox.launcher.Main.run(Main.java:1515) at org.eclipse.equinox.launcher.Main.main(Main.java:1488)
06-03
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