Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by alicheek
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at matteroverdrive.data.ItemPattern.(ItemPattern.java:29)	at matteroverdrive.data.ItemPattern.(ItemPattern.java:25)	at matteroverdrive.machines.analyzer.components.MatterNetworkComponentAnalyzer.manageValidDestinationCheck(MatterNetworkComponentAnalyzer.java:154)	at matteroverdrive.machines.analyzer.components.MatterNetworkComponentAnalyzer.onNetworkTick(MatterNetworkComponentAnalyzer.java:109)	at matteroverdrive.machines.analyzer.TileEntityMachineMatterAnalyzer.onNetworkTick(TileEntityMachineMatterAnalyzer.java:295)	at matteroverdrive.handler.MatterNetworkTickHandler.updateHandler(MatterNetworkTickHandler.java:45)	at matteroverdrive.handler.TickHandler.onWorldTick(TickHandler.java:110)	at cpw.mods.fml.common.eventhandler.ASMEventHandler_525_TickHandler_onWorldTick_WorldTickEvent.invoke(.dynamic)	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)	at cpw.mods.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:273)	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:957)	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)	at java.lang.Thread.run(Thread.java:745)