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  1. Minecraft: Java Edition
  2. MC-149356

Minecraft 1.14 server locks up when sysop kills mob

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    • Icon: Bug Bug
    • Resolution: Awaiting Response
    • None
    • Minecraft 1.14
    • None
    • Minecraft Java Edition version 1.14
      The server computer is running Mac OS X 10.11.6
      The server is running Java Version 8 Update 211 (build 1.8.0_211-b12)
    • Unconfirmed
    • (Unassigned)

      I installed version 1.14 a couple hours ago.

      When I play using my op account and I kill a mob with any weapon the server locks up for a minute or more. Sometimes it recovers and continues, but about 70% of the time it disconnects the users with a "server timed out" message. So far I have one time that the server log shows the server software shut down the server.

      [18:45:56] [Server thread/ERROR]: Something went wrong upgrading!
      
      java.lang.OutOfMemoryError: GC overhead limit exceeded
      
      at java.util.Arrays.copyOf(Arrays.java:3332) ~[?:1.8.0_112]
      
      at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124) ~[?:1.8.0_112]
      
      at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:136) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Named$NamedType.toString(Named.java:155) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Tag$TagType.toString(Tag.java:195) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Sum$SumType.toString(Sum.java:232) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Product$ProductType.toString(Product.java:232) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Product$ProductType.toString(Product.java:232) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Product$ProductType.toString(Product.java:232) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Product$ProductType.toString(Product.java:232) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.List$ListType.toString(List.java:178) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Tag$TagType.toString(Tag.java:195) ~[minecraft_server.1.14.0.jar:?]
      
      at java.lang.String.valueOf(String.java:2994) ~[?:1.8.0_112]
      
      at java.lang.StringBuilder.append(StringBuilder.java:131) ~[?:1.8.0_112]
      
      at com.mojang.datafixers.types.templates.Sum$SumType.toString(Sum.java:232) ~[minecraft_server.1.14.0.jar:?]
      
      [18:46:15] [Server thread/ERROR]: Encountered an unexpected exception
      
      m: Ticking entity
      
      at net.minecraft.server.MinecraftServer.b(SourceFile:831) ~[minecraft_server.1.14.0.jar:?]
      
      at ug.b(SourceFile:343) ~[minecraft_server.1.14.0.jar:?]
      
      at net.minecraft.server.MinecraftServer.a(SourceFile:764) ~[minecraft_server.1.14.0.jar:?]
      
      at net.minecraft.server.MinecraftServer.run(SourceFile:632) [minecraft_server.1.14.0.jar:?]
      
      at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
      
      Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
      
      at ig.a(SourceFile:59) ~[minecraft_server.1.14.0.jar:?]
      
      at ib.a(SourceFile:438) ~[minecraft_server.1.14.0.jar:?]
      
      at ib.a(SourceFile:81) ~[minecraft_server.1.14.0.jar:?]
      
      at ib.a(SourceFile:438) ~[minecraft_server.1.14.0.jar:?]
      
      at ib.a(SourceFile:81) ~[minecraft_server.1.14.0.jar:?]
      
      at im.a(SourceFile:113) ~[minecraft_server.1.14.0.jar:?]
      
      at im.a(SourceFile:78) ~[minecraft_server.1.14.0.jar:?]
      
      at im.a(SourceFile:74) ~[minecraft_server.1.14.0.jar:?]
      
      at bxz.e(SourceFile:53) ~[minecraft_server.1.14.0.jar:?]
      
      at us.f(SourceFile:693) ~[minecraft_server.1.14.0.jar:?]
      
      at us.i(SourceFile:422) ~[minecraft_server.1.14.0.jar:?]
      
      at us$$Lambda$2061/1024122718.get(Unknown Source) ~[?:?]
      
      at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) ~[?:1.8.0_112]
      
      at agh.h(SourceFile:135) ~[minecraft_server.1.14.0.jar:?]
      
      at agh.p(SourceFile:114) ~[minecraft_server.1.14.0.jar:?]
      
      at ve$a.p(SourceFile:438) ~[minecraft_server.1.14.0.jar:?]
      
      at agh.c(SourceFile:123) ~[minecraft_server.1.14.0.jar:?]
      
      at ve.b(SourceFile:114) ~[minecraft_server.1.14.0.jar:?]
      
      at ve.a(SourceFile:100) ~[minecraft_server.1.14.0.jar:?]
      
      at bhh.a(SourceFile:195) ~[minecraft_server.1.14.0.jar:?]
      
      at bhk.a(SourceFile:100) ~[minecraft_server.1.14.0.jar:?]
      
      at bhh.c(SourceFile:190) ~[minecraft_server.1.14.0.jar:?]
      
      at bhh.e_(SourceFile:412) ~[minecraft_server.1.14.0.jar:?]
      
      at bgr.a(SourceFile:52) ~[minecraft_server.1.14.0.jar:?]
      
      at bgr$$Lambda$2650/1228356167.apply(Unknown Source) ~[?:?]
      
      at bgr.a(SourceFile:153) ~[minecraft_server.1.14.0.jar:?]
      
      at bgr.a(SourceFile:51) ~[minecraft_server.1.14.0.jar:?]
      
      at aio.E(SourceFile:2435) ~[minecraft_server.1.14.0.jar:?]
      
      at apt.a(SourceFile:32) ~[minecraft_server.1.14.0.jar:?]
      
      at apz.a(SourceFile:95) ~[minecraft_server.1.14.0.jar:?]
      
      at aow.a(SourceFile:107) ~[minecraft_server.1.14.0.jar:?]
      
      at aov.a(SourceFile:32) ~[minecraft_server.1.14.0.jar:?]
      
      [18:46:18] [Server thread/ERROR]: This crash report has been saved to: /Users/Marc/Desktop/Public Mincraft Server/./crash-reports/crash-2019-04-23_18.46.18-server.txt
      
      [18:46:18] [Server thread/INFO]: Stopping server
      
      [18:46:18] [Server thread/INFO]: Saving players
      
      [18:46:24] [Server thread/ERROR]: Exception stopping the server
      
      java.lang.OutOfMemoryError: GC overhead limit exceeded
      

      logout

      Saving session...

      ...copying shared history...

      ...saving history...truncating history files...

      ...completed.

      But when I play on the same server, same version (1.14) using my non-op account (from the same client computer) everything works perfectly.

      The server startup script says:

      #!/bin/bash
      cd "$(dirname "$0")"
      exec java -Xmx2G -Xms2G -jar minecraft_server.1.14.0.jar nogui

      .... which shows that the server is getting 2GB of memory to use.

      ==========  update ========== 25 April 2019

      Further testing reveals that if I use minecraft account #1 to deop account #2 ... and then re-op account #2 ... then the problem of account #2 causing a freeze has been eliminated.

      Additionally, I have a third account that has op privileges on the server and after re-op'ing account #2 ... now account #3 (that was never deop'ed) no longer has the problem.

      Summary: it appears that if just one op account gets deop'ed and the re-op'ed the problem for ALL op accounts is solved.

       

            Unassigned Unassigned
            marcspeth Marc Speth
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              Created:
              Updated:
              Resolved: