jmap-docker
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| $ jmap -heap <pid> | |
| Attaching to process ID 142, please wait... | |
| Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: Can't attach to the process: ptrace(PTRACE_ATTACH, ..) failed for 142: Operation not permitted | |
| sun.jvm.hotspot.debugger.DebuggerException: sun.jvm.hotspot.debugger.DebuggerException: Can't attach to the process: ptrace(PTRACE_ATTACH, ..) failed for 142: Operation not permitted | |
| at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:163) | |
| at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.attach(LinuxDebuggerLocal.java:278) | |
| at sun.jvm.hotspot.HotSpotAgent.attachDebugger(HotSpotAgent.java:671) | |
| at sun.jvm.hotspot.HotSpotAgent.setupDebuggerLinux(HotSpotAgent.java:611) | |
| at sun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:337) | |
| at sun.jvm.hotspot.HotSpotAgent.go(HotSpotAgent.java:304) | |
| at sun.jvm.hotspot.HotSpotAgent.attach(HotSpotAgent.java:140) | |
| at sun.jvm.hotspot.tools.Tool.start(Tool.java:185) | |
| at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118) | |
| at sun.jvm.hotspot.tools.HeapSummary.main(HeapSummary.java:49) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:498) | |
| at sun.tools.jmap.JMap.runTool(JMap.java:201) | |
| at sun.tools.jmap.JMap.main(JMap.java:130) | |
| Caused by: sun.jvm.hotspot.debugger.DebuggerException: Can't attach to the process: ptrace(PTRACE_ATTACH, ..) failed for 142: Operation not permitted | |
| at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.attach0(Native Method) | |
| at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$100(LinuxDebuggerLocal.java:62) | |
| at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1AttachTask.doit(LinuxDebuggerLocal.java:269) | |
| at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.run(LinuxDebuggerLocal.java:138) |
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i have the same problems from docker exec... jinfo ,jmap can't exec,but jps,jstack is ok ...