This is very likely to create a memory leak. Stack trace of thread

逃离我推掉我的手 2022-06-12 08:22 1794阅读 0赞

1、错误描述

  1. 警告: The web application [cmp] 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:
  2.  java.lang.Object.wait(Native Method)
  3.  java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
  4.  com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:43)
  5. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  6. 警告: The web application [cmp] appears to have started a thread named [Atomikos:0] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  7.  sun.misc.Unsafe.park(Native Method)
  8.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  9.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  10.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  11.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  12.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  13.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  14.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  15.  java.lang.Thread.run(Thread.java:745)
  16. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  17. 警告: The web application [cmp] appears to have started a thread named [Atomikos:1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  18.  sun.misc.Unsafe.park(Native Method)
  19.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  20.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  21.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  22.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  23.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  24.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  25.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  26.  java.lang.Thread.run(Thread.java:745)
  27. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  28. 警告: The web application [cmp] appears to have started a thread named [Atomikos:2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  29.  sun.misc.Unsafe.park(Native Method)
  30.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  31.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  32.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  33.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  34.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  35.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  36.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  37.  java.lang.Thread.run(Thread.java:745)
  38. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  39. 警告: The web application [cmp] appears to have started a thread named [Atomikos:3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  40.  sun.misc.Unsafe.park(Native Method)
  41.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  42.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  43.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  44.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  45.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  46.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  47.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  48.  java.lang.Thread.run(Thread.java:745)
  49. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  50. 警告: The web application [cmp] appears to have started a thread named [Atomikos:4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  51.  sun.misc.Unsafe.park(Native Method)
  52.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  53.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  54.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  55.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  56.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  57.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  58.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  59.  java.lang.Thread.run(Thread.java:745)
  60. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  61. 警告: The web application [cmp] appears to have started a thread named [Atomikos:5] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  62.  sun.misc.Unsafe.park(Native Method)
  63.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  64.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  65.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  66.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  67.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  68.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  69.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  70.  java.lang.Thread.run(Thread.java:745)
  71. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  72. 警告: The web application [cmp] appears to have started a thread named [Atomikos:6] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  73.  sun.misc.Unsafe.park(Native Method)
  74.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  75.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  76.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  77.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  78.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  79.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  80.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  81.  java.lang.Thread.run(Thread.java:745)
  82. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  83. 警告: The web application [cmp] appears to have started a thread named [Atomikos:7] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  84.  sun.misc.Unsafe.park(Native Method)
  85.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  86.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  87.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  88.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  89.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  90.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  91.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  92.  java.lang.Thread.run(Thread.java:745)
  93. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  94. 警告: The web application [cmp] appears to have started a thread named [Atomikos:8] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  95.  sun.misc.Unsafe.park(Native Method)
  96.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  97.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  98.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  99.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  100.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  101.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  102.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  103.  java.lang.Thread.run(Thread.java:745)
  104. 七月 17, 2017 2:43:06 下午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
  105. 警告: The web application [cmp] appears to have started a thread named [Atomikos:9] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
  106.  sun.misc.Unsafe.park(Native Method)
  107.  java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
  108.  java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
  109.  java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
  110.  java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
  111.  java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
  112.  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
  113.  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  114.  java.lang.Thread.run(Thread.java:745)

2、错误原因

  1.   利用Eclipse启动Web项目，控制台打印的警告信息；由信息提示可知，有个线程停止了，可能是内存泄漏导致的

3、解决办法

（1）查找资料，从Tomcat6开始，server.xml里添加了对内存泄漏监听；将监听器注释掉

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