quartzScheduler_Worker-1] but has failed to stop it. This is very likely to create a memory leak解决
01-Jul-2016 07:24:20.218 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 8004 ms 01-Jul-2016 09:32:43.515 INFO [Thread-13] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-apr-8001"] 01-Jul-2016 09:32:43.593 INFO [Thread-13] org.apache.catalina.core.StandardService.stopInternal Stopping service Catalina 01-Jul-2016 09:32:43.656 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. 01-Jul-2016 09:32:43.703 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [first_Worker-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:43.750 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [first_Worker-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:43.812 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [first_Worker-3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:43.859 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [first_Worker-4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:43.906 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [first_Worker-5] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:43.968 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [first_Worker-6] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.031 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143) com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:43) 01-Jul-2016 09:32:44.093 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.156 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.203 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.265 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.312 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-5] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.359 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-6] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.421 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-7] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.468 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-8] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.515 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-9] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.578 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoQuartzCluster_Worker-10] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:44.656 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [Timer-0] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) java.util.TimerThread.mainLoop(Timer.java:552) java.util.TimerThread.run(Timer.java:505) 01-Jul-2016 09:32:44.734 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534) 01-Jul-2016 09:32:44.828 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534) 01-Jul-2016 09:32:44.921 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534) 01-Jul-2016 09:32:45.031 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.125 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.203 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.296 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.375 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-5] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.468 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-6] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.515 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-7] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.609 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-8] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.703 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-9] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.796 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [ReYoSchedulerSingle_Worker-10] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568) 01-Jul-2016 09:32:45.890 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [QuartzScheduler_ReYoQuartzCluster-ReYo-Aut1467329059828_ClusterManager] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Thread.sleep(Native Method) org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.run(JobStoreSupport.java:3906)
网上有人
解决：
重写了org.apache.commons.dbcp.BasicDataSource 的 close（）方法：
package org.company.util; import java.sql.DriverManager; import java.sql.SQLException; import org.apache.commons.dbcp.BasicDataSource; public class XBasicDataSource extends BasicDataSource{ @Override public synchronized void close() throws SQLException{ // System.out.println("......输出数据源Driver的url："+DriverManager.getDriver(url)); DriverManager.deregisterDriver(DriverManager.getDriver(url)); super.close(); } }
其实最简单的方法就是