java.lang.Thread.State类详解

本文详细介绍了Java中线程的五种状态:NEW、RUNNABLE、BLOCKED、WAITING和TIMED_WAITING,每种状态都附带了具体的解释和应用场景。
http://www.35java.com/zhibo/forum.php?mod=viewthread&tid=422&extra=page%3D3
public static enum Thread.Stateextends Enum<Thread.State>线程状态。线程可以处于下列状态之一:

1.NEW
至今尚未启动的线程的状态。

2.RUNNABLE
可运行线程的线程状态。处于可运行状态的某一线程正在 Java 虚拟机中运行,但它可能正在等待操作系统中的其他资源,比如处理器。

3.BLOCKED
受阻塞并且正在等待监视器锁的某一线程的线程状态。处于受阻塞状态的某一线程正在等待监视器锁,以便进入一个同步的块/方法,或者在调用 Object.wait 之后再次进入同步的块/方法。

4.WAITING
某一等待线程的线程状态。某一线程因为调用下列方法之一而处于等待状态:
链接presto异常:java.sql.SQLException: Authentication using username/password requires SSL to be enabled at com.facebook.presto.jdbc.PrestoDriverUri.setupClient(PrestoDriverUri.java:244) at com.facebook.presto.jdbc.PrestoDriver.connect(PrestoDriver.java:89) at ai.chat2db.spi.sql.IDriverManager.getConnection(IDriverManager.java:87) at ai.chat2db.spi.sql.IDriverManager.getConnection(IDriverManager.java:72) at ai.chat2db.spi.util.JdbcUtils.testConnect(JdbcUtils.java:165) at ai.chat2db.server.domain.core.impl.DataSourceServiceImpl.preConnect(DataSourceServiceImpl.java:59) at ai.chat2db.server.web.api.controller.data.source.DataSourceController.preConnect(DataSourceController.java:118) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:196) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:89) at ai.chat2db.server.web.api.aspect.ConnectionInfoHandler.connectionInfoHandler(ConnectionInfoHandler.java:108) at jdk.internal.reflect.GeneratedMethodAccessor29.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:637) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:627) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:71) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:89) at ai.chat2db.server.web.api.aspect.ControllerHandler.handle(ControllerHandler.java:49) at jdk.internal.reflect.GeneratedMethodAccessor28.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:637) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:627) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:71) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:702) at ai.chat2db.server.web.api.controller.data.source.DataSourceController$$SpringCGLIB$$0.preConnect(<generated>) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at ai.chat2db.server.web.api.config.controller.console.ConsoleHelper.doController(ConsoleHelper.java:389) at ai.chat2db.server.web.api.config.controller.console.ConsoleHelper.lambda$onMessage$2(ConsoleHelper.java:228) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840)
最新发布
08-15
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