sun.jvm.hotspot.debugger.DebuggerException: Can’t attach to the process
➜ ~ jinfo 31983 Attaching to process ID 31983, please wait… Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: Can’t attach to the process sun.jvm.hotspot.debugger.DebuggerException: sun.jvm.hotspot.debugger.DebuggerException: Can’t attach to the process at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocalLinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:163)atsun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.attach(LinuxDebuggerLocal.java:278)atsun.jvm.hotspot.HotSpotAgent.attachDebugger(HotSpotAgent.java:671)atsun.jvm.hotspot.HotSpotAgent.setupDebuggerLinux(HotSpotAgent.java:611)atsun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:337)atsun.jvm.hotspot.HotSpotAgent.go(HotSpotAgent.java:304)atsun.jvm.hotspot.HotSpotAgent.attach(HotSpotAgent.java:140)atsun.jvm.hotspot.tools.Tool.start(Tool.java:185)atsun.jvm.hotspot.tools.Tool.execute(Tool.java:118)atsun.jvm.hotspot.tools.JInfo.main(JInfo.java:138)atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:498)atsun.tools.jinfo.JInfo.runTool(JInfo.java:108)atsun.tools.jinfo.JInfo.main(JInfo.java:76)Causedby:sun.jvm.hotspot.debugger.DebuggerException:Can′tattachtotheprocessatsun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.attach0(NativeMethod)atsun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access100(LinuxDebuggerLocal.java:62) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal1AttachTask.doit(LinuxDebuggerLocal.java:269)atsun.jvm.hotspot.debugger.linux.LinuxDebuggerLocalLinuxDebuggerLocalWorkerThread.run(LinuxDebuggerLocal.java:138)
解决办法:
echo0 | sudo tee /proc/sys/kernel/yama/ptrace_scope