[arthas@21757]$ options unsafe true
NAME BEFORE-VALUE AFTER-VALUE
-----------------------------------
unsafe true true
[arthas@21757]$ trace java.security.AccessController doPrivileged
Affect(class count: 0 , method count: 1) cost in 135 ms, listenerId: 11
Enhance error! exception: java.lang.NullPointerException, check arthas log: /home/hdfs/logs/arthas/arthas.log
[arthas@21757]$
2020-11-04 17:04:40 [nioEventLoopGroup-2-1] INFO i.n.handler.logging.LoggingHandler -[id: 0x99d8010c, L:/127.0.0.1:3658] READ: [id: 0x1cb47198, L:/127.0.0.1:3658 - R:/127.0.0.1:49544]
2020-11-04 17:04:40 [nioEventLoopGroup-2-1] INFO i.n.handler.logging.LoggingHandler -[id: 0x99d8010c, L:/127.0.0.1:3658] READ COMPLETE
2020-11-04 17:04:40 [nioEventLoopGroup-2-5] INFO c.t.a.core.shell.term.impl.Helper -Loaded arthas keymap file from com/taobao/arthas/core/shell/term/readline/inputrc
2020-11-04 17:05:29 [as-command-execute-daemon] INFO c.t.arthas.core.advisor.Enhancer -enhance matched classes: [class java.security.AccessController]
2020-11-04 17:05:29 [as-command-execute-daemon] WARN c.t.arthas.core.advisor.Enhancer -transform loader[null]:class[java/security/AccessController] failed.
java.lang.NullPointerException: null
at com.alibaba.arthas.deps.org.objectweb.asm.tree.InsnList.insertBefore(InsnList.java:365)
at com.taobao.arthas.bytekit.asm.MethodProcessor.<init>(MethodProcessor.java:151)
at com.taobao.arthas.bytekit.asm.MethodProcessor.<init>(MethodProcessor.java:128)
at com.taobao.arthas.bytekit.asm.MethodProcessor.<init>(MethodProcessor.java:123)
at com.taobao.arthas.core.advisor.Enhancer.transform(Enhancer.java:277)
at com.taobao.arthas.core.advisor.TransformerManager$1.transform(TransformerManager.java:41)
at sun.instrument.TransformerManager.transform(TransformerManager.java:188)
at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:428)
at sun.instrument.InstrumentationImpl.retransformClasses0(Native Method)
at sun.instrument.InstrumentationImpl.retransformClasses(InstrumentationImpl.java:144)
at com.taobao.arthas.core.advisor.Enhancer.enhance(Enhancer.java:443)
at com.taobao.arthas.core.command.monitor200.EnhancerCommand.enhance(EnhancerCommand.java:135)
at com.taobao.arthas.core.command.monitor200.EnhancerCommand.process(EnhancerCommand.java:87)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl.process(AnnotatedCommandImpl.java:82)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl.access$100(AnnotatedCommandImpl.java:18)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl$ProcessHandler.handle(AnnotatedCommandImpl.java:111)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl$ProcessHandler.handle(AnnotatedCommandImpl.java:108)
at com.taobao.arthas.core.shell.system.impl.ProcessImpl$CommandProcessTask.run(ProcessImpl.java:372)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2020-11-04 17:05:29 [as-command-execute-daemon] INFO c.t.arthas.core.advisor.Enhancer -Success to batch transform classes: [class java.security.AccessController]
2020-11-04 17:05:56 [nioEventLoopGroup-2-5] INFO c.t.a.c.shell.impl.ShellServerImpl -Session 181f8ac9-705d-4f8c-a129-a9b6ddc12adf closed, so terminate foreground job,
id: 16, line: trace java.security.AccessController doPrivileged