Server crash when a player logs in...

EvilTelephone

New Member
Jul 29, 2019
3
0
0
FTB Unleashed 1.1.7

Java 7u51

Sometimes, when a player logs in, the server crashes with the following error in the log:

Code:
2014-02-01 10:44:56 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/integrated/IntegratedServer
2014-02-01 10:44:56 [SEVERE]    at ic2.core.block.personal.TileEntityTradeOMat.permitsAccess(TileEntityTradeOMat.java:241)
2014-02-01 10:44:56 [SEVERE]    at ic2.core.block.personal.TileEntityTradeOMat.getGuiContainer(TileEntityTradeOMat.java:264)
2014-02-01 10:44:56 [SEVERE]    at ic2.core.Platform.launchGui(Platform.java:65)
2014-02-01 10:44:56 [SEVERE]    at ic2.core.block.BlockMultiID.func_71903_a(BlockMultiID.java:229)
2014-02-01 10:44:56 [SEVERE]    at ic2.core.block.personal.BlockPersonal.func_71903_a(BlockPersonal.java:136)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:585)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:875)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:223)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:865)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:732)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:614)
2014-02-01 10:44:56 [SEVERE]    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
2014-02-01 10:44:56 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.integrated.IntegratedServer
2014-02-01 10:44:56 [SEVERE]    at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:273)
2014-02-01 10:44:56 [SEVERE]    at java.lang.ClassLoader.loadClass(Unknown Source)
2014-02-01 10:44:56 [SEVERE]    at java.lang.ClassLoader.loadClass(Unknown Source)
2014-02-01 10:44:56 [SEVERE]    ... 17 more
2014-02-01 10:44:56 [SEVERE] Caused by: java.lang.RuntimeException: Attempted to load class bjg for invalid side SERVER
2014-02-01 10:44:56 [SEVERE]    at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
2014-02-01 10:44:57 [SEVERE]    at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:387)
2014-02-01 10:44:57 [SEVERE]    at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:260)
2014-02-01 10:44:57 [SEVERE]    ... 19 more
2014-02-01 10:44:57 [SEVERE] Encountered an unexpected exception NoClassDefFoundError
java.lang.NoClassDefFoundError: net/minecraft/server/integrated/IntegratedServer
    at ic2.core.block.personal.TileEntityTradeOMat.permitsAccess(TileEntityTradeOMat.java:241)
    at ic2.core.block.personal.TileEntityTradeOMat.getGuiContainer(TileEntityTradeOMat.java:264)
    at ic2.core.Platform.launchGui(Platform.java:65)
    at ic2.core.block.BlockMultiID.func_71903_a(BlockMultiID.java:229)
    at ic2.core.block.personal.BlockPersonal.func_71903_a(BlockPersonal.java:136)
    at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:585)
    at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:875)
    at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
    at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
    at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:223)
    at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
    at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:865)
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:732)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:614)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.integrated.IntegratedServer
    at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:273)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 17 more
Caused by: java.lang.RuntimeException: Attempted to load class bjg for invalid side SERVER
    at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
    at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:387)
    at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:260)
    ... 19 more

Things I've tried so far:

- Update Java
- Delete all modpack files (on the server) and re-install from a fresh download

Any ideas of other things to try? Thanks.
 

Tristam Izumi

New Member
Jul 29, 2019
1,460
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0
Is there any consistency with who it happens for, or for people logging in to a certain area?

The log points toward it being somehow related to an IC2 tile entity, but I'm not learned enough to glean more from it.
 

EvilTelephone

New Member
Jul 29, 2019
3
0
0
I haven't seen a pattern yet. Today, for example, it was 3 different people, and they were all pretty far away from each other (1000+ meters).

100% of the time though, when it happens, it happens directly after a player joins. Usually within 1 second of the join.
 

gadget500

New Member
Jul 29, 2019
1
0
0
From what I have seen, it has something to do with when a trade-o-mat is used. I am having the same problem