title: Run jmap command failed in MacOS
body: <p>Run <code>jmap</code> as follows:</p>
  
  <pre><code>jmap -heap 5788
  </code></pre>
  
  <p>And get failed result:</p>
  
  <p>Attaching to process ID 5788, please wait...
  Error attaching to process: </p>
  
  <pre><code>sun.jvm.hotspot.debugger.DebuggerException: Can't attach symbolicator to the process
  sun.jvm.hotspot.debugger.DebuggerException: sun.jvm.hotspot.debugger.DebuggerException: Can't attach symbolicator to the process
      at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal$BsdDebuggerLocalWorkerThread.execute(BsdDebuggerLocal.java:169)
      at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal.attach(BsdDebuggerLocal.java:287)
      at sun.jvm.hotspot.HotSpotAgent.attachDebugger(HotSpotAgent.java:671)
      at sun.jvm.hotspot.HotSpotAgent.setupDebuggerDarwin(HotSpotAgent.java:659)
      at sun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:341)
      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.JInfo.main(JInfo.java:138)
      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.jinfo.JInfo.runTool(JInfo.java:108)
      at sun.tools.jinfo.JInfo.main(JInfo.java:76)
  Caused by: sun.jvm.hotspot.debugger.DebuggerException: Can't attach symbolicator to the process
      at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal.attach0(Native Method)
      at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal.access$100(BsdDebuggerLocal.java:65)
      at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal$1AttachTask.doit(BsdDebuggerLocal.java:278)
      at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal$BsdDebuggerLocalWorkerThread.run(BsdDebuggerLocal.java:144)
  </code></pre>