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Arathok

Random Java Runtime Errors - General instability of server

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Hello fellow wurmians!
Thanks to the community i was able to setup my server, which runs the game like a charm (as in fluid).
Every now and then at random intervals the server is crashing though, but the server.log just ends after the normal connected players and uptime line. No errors there.
BUT we get those hs_err_pid30692.log files and i can't figure out for hell what im supposed to do about it. Im fine with manually rebooting, but it messes with the 24 hour field growth timer, which resets :D


There are no out of ram errors or any other "normal" errors you would get from the server.log So i really cant put my finger on what the reason for those crashes is.
 

past errors have been:
 

Spoiler

SIGSEGV (0xb) at pc=0x00007f95d50251bf, pid=30692, tid=0x00007f9555278700
#
# JRE version: Java(TM) SE Runtime Environment (8.0_172-b11) (build 1.8.0_172-b11)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.172-b11 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# j  java.util.concurrent.ConcurrentHashMap$CollectionView.toArray([Ljava/lang/Object;)[Ljava/lang/Object;+77

This error occurs the most time.

 

 

SIGSEGV (0xb) at pc=0x00007fce2bacadd3, pid=8158, tid=0x00007fcd7ecf2700
#
# JRE version: Java(TM) SE Runtime Environment (8.0_172-b11) (build 1.8.0_172-b11)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.172-b11 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# V  [libjvm.so+0x800dd3]  LinkResolver::resolve_invokeinterface(CallInfo&, Handle, constantPoolHandle, int, Thread*)+0x233
#

 

 

#  SIGSEGV (0xb) at pc=0x00007f691c833cc1, pid=29055, tid=0x00007f6918799700
#
# JRE version: Java(TM) SE Runtime Environment (8.0_172-b11) (build 1.8.0_172-b11)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.172-b11 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# V  [libjvm.so+0x998cc1]  oopDesc* PSPromotionManager::copy_to_survivor_space<false>(oopDesc*)+0x551


Are any of you more profound in java and can help me out with those issues?

Edited by Arathok

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Crashes in random places in the JVM like that are very often caused by hardware issues... bad RAM, overheating CPU, etc. So check that nothing is running too hot and run memtest.

 

If that's not the issue try running with a newer version of JVM 8 (but not anything newer than 8 - wurm doesn't support that)

 

 

 

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