java.lang.OutOfMemoryError:Java堆空间

Question

我的应用程序部署在集群环境中.最近,服务器因以下堆栈跟踪而崩溃.它似乎不是来自代码.它一直在运行,直到最近这个错误弹出.没有对服务器进行重大更改.有人可以提供建议吗？

java.lang.OutOfMemoryError: Java heap space
    at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:44)
    at java.lang.StringBuilder.<init>(StringBuilder.java:69)
    at java.io.ObjectStreamClass$FieldReflectorKey.<init>(ObjectStreamClass.java:2106)
    at java.io.ObjectStreamClass.getReflector(ObjectStreamClass.java:2039)
    at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:586)
    at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1552)
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1466)
    at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1591)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
    at weblogic.utils.io.ChunkedObjectInputStream.readObject(ChunkedObjectInputStream.java:195)
    at weblogic.rjvm.MsgAbbrevInputStream.readObject(MsgAbbrevInputStream.java:565)
    at weblogic.utils.io.ChunkedObjectInputStream.readObject(ChunkedObjectInputStream.java:191)
    at weblogic.rmi.internal.dgc.DGCServerImpl_WLSkel.invoke(Unknown Source)
    at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:589)
    at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:479)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(Unknown Source)
    at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:475)
    at weblogic.rmi.internal.BasicServerRef.access$300(BasicServerRef.java:59)
    at weblogic.rmi.internal.BasicServerRef$BasicExecuteRequest.run(BasicServerRef.java:1016)
    at weblogic.work.SelfTuningWorkManagerImpl.schedule(SelfTuningWorkManagerImpl.java:126)
    at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:321)
    at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:918)
    at weblogic.rjvm.RJVMImpl.dispatchRequest(RJVMImpl.java:1084)
    at weblogic.rjvm.RJVMImpl.dispatch(RJVMImpl.java:1001)
    at weblogic.rjvm.ConnectionManagerServer.handleRJVM(ConnectionManagerServer.java:240)
    at weblogic.rjvm.ConnectionManager.dispatch(ConnectionManager.java:877)
    at weblogic.rjvm.MsgAbbrevJVMConnection.dispatch(MsgAbbrevJVMConnection.java:446)
    at weblogic.rjvm.t3.MuxableSocketT3.dispatch(MuxableSocketT3.java:368)
    at weblogic.socket.AbstractMuxableSocket.dispatch(AbstractMuxableSocket.java:383)
    at weblogic.socket.SocketMuxer.readReadySocketOnce(SocketMuxer.java:872)

Answer 1

您的内存不足,这表明以下情况之一:

• 你需要为你的进程提供更多内存(使用-Xmxjava命令行选项); 要么
• 你有内存泄漏

没有更多信息,很难说是哪种情况.a的堆栈跟踪OutOfMemoryError很少有用,因为它只显示堆耗尽的点; 它没有告诉你为什么你的堆被填满.