tomcat的backgroundProcess在处理session时出现堆内存溢出问题

Question

org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor processChildren

严重: Exception invoking periodic operation:

java.lang.OutOfMemoryError: Java heap space

 at java.lang.reflect.Array.newArray(Native Method)

 at java.lang.reflect.Array.newInstance(Array.java:52)

 at java.util.Arrays.copyOf(Arrays.java:2760)

 at java.util.Arrays.copyOf(Arrays.java:2734)

 at java.util.AbstractCollection.finishToArray(AbstractCollection.java:198)

 at java.util.AbstractCollection.toArray(AbstractCollection.java:173)

 at org.apache.catalina.session.ManagerBase.findSessions(ManagerBase.java:873)

 at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:676)

 at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:667)

 at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1316)

 at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)

 at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)

 at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)

 at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)

 at java.lang.Thread.run(Thread.java:662)

Answer 1

加大内存看看呢? 也许是tomcat内存本身可能就不太够用,而您做了比较复杂的操作他就正好报内存溢出了...你加大tomcat内存,看看还有没有这个问题

Answer 2

你用了什么黑魔法，使得内存不够了，给出代码来