lihao
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lihao：
tae.kjava 写道日天哥哥！首先没有你这么提问题的， 在 ...
com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@390508 -- APP -
tae.kjava：
日天哥哥！
首先没有你这么提问题的， 在自己博客里提问题的。
...
com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@390508 -- APP
com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@390508 -- APP
- 博客分类：
- Java
最近项目运行时总是出现这个警告，改过很多次数据库连接池配置也没弄好，现在终于解决了。之前出错的连接池配置:
出错信息：
当连接池配置改为
新的出错信息：
问题已解决，配置为：
我是想先放着，等我自己解决来再发上来，你女未的。
<property name="minPoolSize" value="5" /> <property name="maxPoolSize" value="50" /> <property name="maxIdleTime" value="1800" /> <property name="acquireIncrement" value="2" /> <property name="maxStatements" value="0" /> <property name="initialPoolSize" value="10" /> <property name="idleConnectionTestPeriod" value="30" /> <property name="acquireRetryAttempts" value="30" />
出错信息：
WARN - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@390508 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! WARN - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@390508 -- APPARENT DEADLOCK!!! Complete Status: Managed Threads: 3 Active Threads: 3 Active Tasks: com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1e5ed7b (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2) com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@4a4e31 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0) com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@538cc2 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1) Pending Tasks: com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@13e2b4a com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@8c1852 Pool thread stack traces: Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main] java.net.SocketInputStream.socketRead0(Native Method) java.net.SocketInputStream.read(SocketInputStream.java:129) java.io.DataInputStream.readFully(DataInputStream.java:178) java.io.DataInputStream.readFully(DataInputStream.java:152) net.sourceforge.jtds.jdbc.SharedSocket.readPacket(SharedSocket.java:826) net.sourceforge.jtds.jdbc.SharedSocket.getNetPacket(SharedSocket.java:707) net.sourceforge.jtds.jdbc.ResponseStream.getPacket(ResponseStream.java:466) net.sourceforge.jtds.jdbc.ResponseStream.read(ResponseStream.java:103) net.sourceforge.jtds.jdbc.ResponseStream.peek(ResponseStream.java:88) net.sourceforge.jtds.jdbc.TdsCore.wait(TdsCore.java:3870) net.sourceforge.jtds.jdbc.TdsCore.executeSQL(TdsCore.java:1042) net.sourceforge.jtds.jdbc.JtdsStatement.executeSQLQuery(JtdsStatement.java:406) net.sourceforge.jtds.jdbc.JtdsPreparedStatement.executeQuery(JtdsPreparedStatement.java:696) net.sourceforge.jtds.jdbc.JtdsDatabaseMetaData.getTables(JtdsDatabaseMetaData.java:1823) com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185) com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62) com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310) com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main] java.net.SocketInputStream.socketRead0(Native Method) java.net.SocketInputStream.read(SocketInputStream.java:129) java.io.DataInputStream.readFully(DataInputStream.java:178) java.io.DataInputStream.readFully(DataInputStream.java:152) net.sourceforge.jtds.jdbc.SharedSocket.readPacket(SharedSocket.java:826) net.sourceforge.jtds.jdbc.SharedSocket.getNetPacket(SharedSocket.java:707) net.sourceforge.jtds.jdbc.ResponseStream.getPacket(ResponseStream.java:466) net.sourceforge.jtds.jdbc.ResponseStream.read(ResponseStream.java:103) net.sourceforge.jtds.jdbc.ResponseStream.peek(ResponseStream.java:88) net.sourceforge.jtds.jdbc.TdsCore.wait(TdsCore.java:3870) net.sourceforge.jtds.jdbc.TdsCore.executeSQL(TdsCore.java:1042) net.sourceforge.jtds.jdbc.JtdsStatement.executeSQLQuery(JtdsStatement.java:406) net.sourceforge.jtds.jdbc.JtdsPreparedStatement.executeQuery(JtdsPreparedStatement.java:696) net.sourceforge.jtds.jdbc.JtdsDatabaseMetaData.getTables(JtdsDatabaseMetaData.java:1823) com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185) com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62) com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310) com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main] java.net.SocketInputStream.socketRead0(Native Method) java.net.SocketInputStream.read(SocketInputStream.java:129) java.io.DataInputStream.readFully(DataInputStream.java:178) java.io.DataInputStream.readFully(DataInputStream.java:152) net.sourceforge.jtds.jdbc.SharedSocket.readPacket(SharedSocket.java:826) net.sourceforge.jtds.jdbc.SharedSocket.getNetPacket(SharedSocket.java:707) net.sourceforge.jtds.jdbc.ResponseStream.getPacket(ResponseStream.java:466) net.sourceforge.jtds.jdbc.ResponseStream.read(ResponseStream.java:103) net.sourceforge.jtds.jdbc.ResponseStream.peek(ResponseStream.java:88) net.sourceforge.jtds.jdbc.TdsCore.wait(TdsCore.java:3870) net.sourceforge.jtds.jdbc.TdsCore.executeSQL(TdsCore.java:1042) net.sourceforge.jtds.jdbc.JtdsStatement.executeSQLQuery(JtdsStatement.java:406) net.sourceforge.jtds.jdbc.JtdsPreparedStatement.executeQuery(JtdsPreparedStatement.java:696) net.sourceforge.jtds.jdbc.JtdsDatabaseMetaData.getTables(JtdsDatabaseMetaData.java:1823) com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185) com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62) com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310) com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
当连接池配置改为
<property name="minPoolSize" value="0" /> <property name="maxPoolSize" value="50" /> <property name="maxIdleTime" value="1800" /> <!-- 当连接池耗尽时候，一次获得连接数--> <property name="acquireIncrement" value="5" /> <property name="maxStatements" value="0" /> <!-- 当连接池连接耗尽时，客户端getConnection(),所等待的时间--> <property name="checkoutTimeout" value="20000"/> <property name="idleConnectionTestPeriod" value="120" /> <!-- 当连接失效时，获得连接的次数，0为无限次（重连）--> <property name="acquireRetryAttempts" value="30" />
新的出错信息：
WARN - SQL Error: 0, SQLState: null ERROR - An attempt by a client to checkout a Connection has timed out. WARN - SQL Error: 0, SQLState: null ERROR - An attempt by a client to checkout a Connection has timed out. org.hibernate.exception.GenericJDBCException: Cannot open connection at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) at org.hibernate.loader.Loader.doQuery(Loader.java:673) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) at org.hibernate.loader.Loader.doList(Loader.java:2220) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) at org.hibernate.loader.Loader.list(Loader.java:2099) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378) at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338) at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121) at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79) at org.hibernate.impl.AbstractQueryImpl.uniqueResult(AbstractQueryImpl.java:811) at com.chinanfs.nfp.systemManage.user.dao.impl.UserDaoImpl.queryObjectById(UserDaoImpl.java:489) at com.chinanfs.nfp.systemManage.user.service.impl.UserServiceImpl.queryObjectById(UserServiceImpl.java:347) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy35.queryObjectById(Unknown Source) at com.chinanfs.nfp.systemManage.user.action.UserAction.queryObject(UserAction.java:377) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441) at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243) at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252) at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52) at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488) at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) 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:106) at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128) at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:82) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) ... 99 more Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@87b71b -- timeout at awaitAvailable() at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317) at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557) at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525) ... 102 more
问题已解决，配置为：
<property name="minPoolSize" value="0" /> <property name="maxPoolSize" value="15" /> <property name="maxIdleTime" value="1800" /> <!-- 当连接池耗尽时候，一次获得连接数--> <property name="acquireIncrement" value="5" /> <property name="maxStatements" value="0" /> <!-- 当连接池连接耗尽时，客户端getConnection(),所等待的时间--> <property name="idleConnectionTestPeriod" value="120" /> <!-- 当连接失效时，获得连接的次数，0为无限次（重连）--> <property name="acquireRetryAttempts" value="30" />
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评论
2 楼
lihao
2012-01-30
tae.kjava 写道
日天哥哥！
首先没有你这么提问题的， 在自己博客里提问题的。
http://www.iteye.com/topic/1117330
首先没有你这么提问题的， 在自己博客里提问题的。
http://www.iteye.com/topic/1117330
我是想先放着，等我自己解决来再发上来，你女未的。
1 楼
tae.kjava
2012-01-30
日天哥哥！
首先没有你这么提问题的， 在自己博客里提问题的。
http://www.iteye.com/topic/1117330
首先没有你这么提问题的， 在自己博客里提问题的。
http://www.iteye.com/topic/1117330
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