21:14:34.663364000*0x235c000j9prt.417Entry>j9sig_protect:Entered,fn=0x2aaaaecf4430,fn_arg=0x2aaabc7cbd10,handler=0x2aaaaecf4450,handler_arg=0x0,flags=0x7d
21:14:34.6634690000x235c000j9dmp.5EventJVMrequestedSnapDumpusingfilename=/opt/IBM/WebSphere/AppServer/profiles/AppSrv01/Snap.20121231.051434.11938.0005.trc
根据 Snap.20121231.051434.11938.0005.trc.fmt里
Active Threads :
0x235c000 huiTongParser-3
0x3259600 Thread-70
确认/opt/IBM/WebSphere/AppServer/profiles/AppSrv01/javacore.20121231.051434.11938.0012.txt文件里这些已开发的打印出来的java性能或功能异常类优化即可
4XESTACKTRACE at com/******/dao/impl/CarInfoDaoImpl.queryCarInfo(CarInfoDaoImpl.java(Compiled Code))
4XESTACKTRACE at com/******/service/impl/CarInfoServiceImpl.queryCarInfo(CarInfoServiceImpl.java(Compiled Code))
、、、
4XESTACKTRACE at $Proxy31.queryCarInfo(Bytecode PC:18(Compiled Code))
4XESTACKTRACE at com/******/parser/car/CarGPSParser.queryCommonData(CarGPSParser.java:220(Compiled Code))
4XESTACKTRACE at com/******/parser/car/CarGPSParser.onMessage(CarGPSParser.java:136(Compiled Code))
、、、
4XESTACKTRACE at $Proxy78.saveCarGPSDataAndSummer(Bytecode PC:18(Compiled Code))
4XESTACKTRACE at com/******/SaveCarData.carGPSDataHandle(SaveCarData.java:79(Compiled Code))
4XESTACKTRACE at com/******/SaveCarData.run(SaveCarData.java:61(Compiled Code))
OOM 问题 要看GC log, heapdump javacore, logs 就这些
Hands-On-Labs for the WebSphere Mainframe Administrator and System Programmer: OOM Diagnosis
Ken Irwin IBM Corporation
February 28, 2011 Session Number 8596
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