Joh*_*ohn 6 java mysql tomcat hang tomcat8
我正在运行Tomcat 8.0.14(最近从Tomcat 5.5升级)并且遇到了非常不一致的应用程序服务器挂起.
"http-nio-8080-exec-57" - Thread t@58985
java.lang.Thread.State: WAITING
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <7ed51011> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
at org.apache.tomcat.dbcp.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:582)
at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:439)
at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360)
at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118)
at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412)
at xx.xx.XXXXConnection.getConnection(XXXXConnection.java:62)
at xx.xx.XX.insert(XX.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1081)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1566)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1523)
- locked <6aa0c93c> (a org.apache.tomcat.util.net.NioChannel)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Locked ownable synchronizers:
- locked <242c7551> (a java.util.concurrent.ThreadPoolExecutor$Worker)
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我们尝试过以下方法:
我开始认为这可能是网络或ISP中的某些东西,因为它非常不一致.应用程序始终具有相当一致的负载,有时可以运行好几天,然后在几分钟内崩溃几次.也许网络以某种方式阻止了回复?
有人有任何想法吗?这让我感到疯狂,因为我们没有报告任何问题.
2015年8月31日更新
Tomcat今天早上像疯了似的.它在一个半小时内挂了7次.我一直在监视端口8080上的连接,并且它保持在110左右.在挂起期间服务器上仍然可以使用tomcat示例WAR.
**2015年9月7日更新**
有没有人看到下面的资源设置有问题?
<Resource name="jdbc/XX" auth="Container" type="javax.sql.DataSource"
driverClassName="com.mysql.jdbc.Driver"
maxActive="500"
minIdle="30"
maxIdle="200"
maxWait="20000"
username="username"
password="password"
url="jdbc:mysql://localhost/XX?autoReconnect=true"
removeAbandoned="true"
removeAbandonedTimeout="60"
logAbandoned="true"/>
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