cpu 飙升过高

[yangliu123]

Error attaching to remote server: java.rmi.UnknownHostException: Unknown host: 1b6f; nested exception is:
java.net.UnknownHostException: 1b6f
sun.jvm.hotspot.debugger.DebuggerException: java.rmi.UnknownHostException: Unknown host: 1b6f; nested exception is:
java.net.UnknownHostException: 1b6f
at sun.jvm.hotspot.RMIHelper.lookup(RMIHelper.java:115)
at sun.jvm.hotspot.HotSpotAgent.connectRemoteDebugger(HotSpotAgent.java:517)
at sun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:374)
at sun.jvm.hotspot.HotSpotAgent.go(HotSpotAgent.java:304)
at sun.jvm.hotspot.HotSpotAgent.attach(HotSpotAgent.java:183)
at sun.jvm.hotspot.tools.Tool.start(Tool.java:196)
at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
at sun.jvm.hotspot.tools.JStack.main(JStack.java:92)
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:497)
at sun.tools.jstack.JStack.runJStackTool(JStack.java:140)
at sun.tools.jstack.JStack.main(JStack.java:106)
Caused by: java.rmi.UnknownHostException: Unknown host: 1b6f; nested exception is:
java.net.UnknownHostException: 1b6f
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:616)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:342)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Naming.java:101)
at sun.jvm.hotspot.RMIHelper.lookup(RMIHelper.java:113)
... 13 more
Caused by: java.net.UnknownHostException: 1b6f
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at java.net.Socket.(Socket.java:434)
at java.net.Socket.(Socket.java:211)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 19 more

16:37
Error attaching to remote server: java.rmi.UnknownHostException: Unknown host: 1b70; nested exception is:
java.net.UnknownHostException: 1b70
sun.jvm.hotspot.debugger.DebuggerException: java.rmi.UnknownHostException: Unknown host: 1b70; nested exception is:
java.net.UnknownHostException: 1b70
at sun.jvm.hotspot.RMIHelper.lookup(RMIHelper.java:115)
at sun.jvm.hotspot.HotSpotAgent.connectRemoteDebugger(HotSpotAgent.java:517)
at sun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:374)
at sun.jvm.hotspot.HotSpotAgent.go(HotSpotAgent.java:304)
at sun.jvm.hotspot.HotSpotAgent.attach(HotSpotAgent.java:183)
at sun.jvm.hotspot.tools.Tool.start(Tool.java:196)
at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
at sun.jvm.hotspot.tools.JStack.main(JStack.java:92)
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:497)
at sun.tools.jstack.JStack.runJStackTool(JStack.java:140)
at sun.tools.jstack.JStack.main(JStack.java:106)
Caused by: java.rmi.UnknownHostException: Unknown host: 1b70; nested exception is:
java.net.UnknownHostException: 1b70
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:616)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:342)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Naming.java:101)
at sun.jvm.hotspot.RMIHelper.lookup(RMIHelper.java:113)
... 13 more
Caused by: java.net.UnknownHostException: 1b70
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at java.net.Socket.(Socket.java:434)
at java.net.Socket.(Socket.java:211)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 19 more

[nobodyiam]

看下具体是哪个线程cpu消耗较高吧

[stale]

This issue has been automatically marked as stale because it has not had activity in the last 90 days. It will be closed in 14 days unless it is tagged "help wanted" or other activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically closed because it has not had activity in the last 14 days. If this issue is still valid, please ping a maintainer and ask them to label it as "help wanted". Thank you for your contributions.

[kengerlwl]

解决办法：删除该用户，然后重建，然后修改/etc/sysctl.d/10-ptrace.conf

添加或修改为以下这一句:(0:允许, 1:不允许)

kernel.yama.ptrace_scope = 0