title: Problematic frame: # V libjvm.so+0x5c73c5
body: <p>Need help to understand below issue. Java used within one of webMethods Servers crashes frequently with below fatal error - </p>
  
  <pre><code>A fatal error has been detected by the Java Runtime Environment:
  
  SIGSEGV (0xb) at pc=0x00007f25a13633c5, pid=6307, tid=0x00007f2584efe700
  
  JRE version: Java(TM) SE Runtime Environment (8.0_141-b15) (build 1.8.0_141-b15)
  Java VM: Java HotSpot(TM) 64-Bit Server VM (25.141-b15 mixed mode linux-amd64 compressed oops)
  Problematic frame:
  V  [libjvm.so+0x5c73c5]  G1ParScanThreadState::copy_to_survivor_space(InCSetState, oopDesc*, markOopDesc*)+0x45
  </code></pre>
  
  <p>No specific error is logged in wrapper logs, happens once a week since last 1 year. </p>
  
  <hr>
  
  <p><strong>Edit:</strong> adding information from comments</p>
  
  <p>Adding few key parameters from custom_wrapper.conf for reference - </p>
  
  <pre><code>wrapper.java.additional.206=-XX:MaxGCPauseMillis=200 
  wrapper.java.additional.207=-XX:+UseG1GC wrapper.ping.timeout=0 
  wrapper.java.initmemory=5120 wrapper.java.maxmemory=8192 
  wrapper.java.additional.4=-XX:MaxPermSize=1280M 
  </code></pre>
  
  <p>Looking for any suggestions/changes in wrapper.conf that may solve this, thank you.</p>