Question

如何在不同jvm底下生成heapdump

Answer 1

WebSphere生成JavaCore与HeadDump文件的命令

#启动wsadmin
wsadmin -user WebSphere -password WebSphere

#设置JVM环境变量
set jvm [$AdminControl completeObjectName type=JVM,process=server1,*]

#生成javacore文件
$AdminControl invoke $jvm dumpThreads

#找到JVM对象名字
set objectName [$AdminControl queryNames WebSphere:type=JVM,process=server1,*]

#生成heapdump文件
$AdminControl invoke $objectName generateHeapDump