agent报错

[gaofeng36599]

ui监控不要信息，agent日志报错如下：
[10:30:37 [bistoury-agent-netty-thread-1] QTraceId[] INFO q.t.b.remoting.netty.RequestHandler] - agent receive request: id=211214.103037.192.168.1.120.21500.1153431, sourceIp=/192.168.1.120:9880, code=301
[10:30:37 [bistoury-agent-netty-thread-1] QTraceId[] INFO q.t.b.agent.common.pid.PidUtils] - get pid by PidBySystemPropertyHandler success, pid is 125833
[10:30:37 [bistoury-agent-netty-thread-1] QTraceId[] INFO q.t.b.remoting.netty.TaskProcessor] - receive host command, id [211214.103037.192.168.1.120.21500.1153431], command [125833]
[10:30:43 [log-agent-exec-2] QTraceId[] ERROR q.t.b.c.host.VirtualMachineUtil] - attach to tomcat vm error
com.sun.tools.attach.AttachNotSupportedException: Unable to open socket file: target process not responding or HotSpot VM not loaded
at sun.tools.attach.LinuxVirtualMachine.(LinuxVirtualMachine.java:106) ~[tools.jar:na]
at sun.tools.attach.LinuxAttachProvider.attachVirtualMachine(LinuxAttachProvider.java:63) ~[tools.jar:na]
at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:208) ~[tools.jar:na]
at qunar.tc.bistoury.commands.host.VirtualMachineUtil.connect(VirtualMachineUtil.java:54) ~[bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask.init(HostTask.java:82) [bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask.access$000(HostTask.java:49) [bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:111) [bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:107) [bistoury-commands-2.0.6.jar:na]
at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:111) [guava-20.0.jar:na]
at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:58) [guava-20.0.jar:na]
at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:75) [guava-20.0.jar:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_251]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_251]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_251]
[10:30:43 [log-agent-exec-2] QTraceId[] ERROR q.tc.bistoury.commands.host.HostTask] - get MXBean error
java.lang.NullPointerException: null
at qunar.tc.bistoury.commands.host.HostTask.init(HostTask.java:86) ~[bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask.access$000(HostTask.java:49) ~[bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:111) [bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:107) [bistoury-commands-2.0.6.jar:na]
at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:111) [guava-20.0.jar:na]
at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:58) [guava-20.0.jar:na]
at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:75) [guava-20.0.jar:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_251]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_251]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_251]
[10:30:43 [log-agent-exec-3] QTraceId[] ERROR q.t.b.remoting.netty.TaskProcessor] - host command error, id [211214.103037.192.168.1.120.21500.1153431], command [125833]
java.lang.RuntimeException: java.lang.NullPointerException
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:123) ~[bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:107) ~[bistoury-commands-2.0.6.jar:na]
at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:111) ~[guava-20.0.jar:na]
at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:58) ~[guava-20.0.jar:na]
at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:75) ~[guava-20.0.jar:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_251]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_251]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_251]
Caused by: java.lang.NullPointerException: null
at qunar.tc.bistoury.commands.host.HostTask.init(HostTask.java:86) ~[bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask.access$000(HostTask.java:49) ~[bistoury-commands-2.0.6.jar:na]
at qunar.tc.bistoury.commands.host.HostTask$1.call(HostTask.java:111) ~[bistoury-commands-2.0.6.jar:na]
... 7 common frames omitted