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(SOLVED) ASM & JDBC issue. [1.11+ ?]


Ferdinand

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Hallo! I lately decided to start using MySQL again as storage for my server-mod's data, but keep getting this error (since a few days) when the Driver is being loaded (and fails).
(I'm kinda clueless how to fix/rid of it.)

[15:38:46] [Server thread/ERROR] [FML]: Index: 1 Listeners:
[15:38:46] [Server thread/ERROR] [FML]: 0: NORMAL
[15:38:46] [Server thread/ERROR] [FML]: 1: ASM: net.fexcraft.mod.fsu.server.modules.nvr.events.ChunkEvents@6107bdd0 onLoad(Lnet/minecraftforge/event/world/ChunkEvent$Load;)V
[15:38:46] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: com/mysql/jdbc/AbandonedConnectionCleanupThread
	at com.mysql.jdbc.NonRegisteringDriver.<clinit>(NonRegisteringDriver.java:105) ~[NonRegisteringDriver.class:5.1.42]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_65]
	at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_65]
	at net.fexcraft.mod.lib.util.common.Sql.connect(Sql.java:43) ~[Sql.class:?]
	at net.fexcraft.mod.lib.util.common.Sql.getStatement(Sql.java:74) ~[Sql.class:?]
	at net.fexcraft.mod.lib.util.common.Sql.query(Sql.java:84) ~[Sql.class:?]
	at net.fexcraft.mod.fsu.server.modules.nvr.data.Chunk.<init>(Chunk.java:27) ~[Chunk.class:?]
	at net.fexcraft.mod.fsu.server.modules.nvr.events.ChunkEvents.onLoad(ChunkEvents.java:15) ~[ChunkEvents.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_18_ChunkEvents_onLoad_Load.invoke(.dynamic) ~[?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:185) ~[EventBus.class:?]
	at net.minecraft.world.chunk.Chunk.onChunkLoad(Chunk.java:919) ~[Chunk.class:?]
	at net.minecraftforge.common.chunkio.ChunkIOProvider.syncCallback(ChunkIOProvider.java:104) ~[ChunkIOProvider.class:?]
	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:94) ~[ChunkIOExecutor.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:125) ~[ChunkProviderServer.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:96) ~[ChunkProviderServer.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:142) ~[ChunkProviderServer.class:?]
	at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:382) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.loadAllWorlds(MinecraftServer.java:352) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.init(DedicatedServer.java:270) ~[DedicatedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:549) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.AbandonedConnectionCleanupThread
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_65]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_65]
	... 22 more
Caused by: java.lang.RuntimeException: JSR/RET are not supported with computeFrames option
	at org.objectweb.asm.Frame.execute(Frame.java:1282) ~[asm-debug-all-5.2.jar:5.2]
	at org.objectweb.asm.MethodWriter.visitJumpInsn(MethodWriter.java:1011) ~[asm-debug-all-5.2.jar:5.2]
	at org.objectweb.asm.MethodVisitor.visitJumpInsn(MethodVisitor.java:528) ~[asm-debug-all-5.2.jar:5.2]
	at org.objectweb.asm.ClassReader.readCode(ClassReader.java:1382) ~[asm-debug-all-5.2.jar:5.2]
	at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1032) ~[asm-debug-all-5.2.jar:5.2]
	at org.objectweb.asm.ClassReader.accept(ClassReader.java:708) ~[asm-debug-all-5.2.jar:5.2]
	at org.objectweb.asm.ClassReader.accept(ClassReader.java:521) ~[asm-debug-all-5.2.jar:5.2]
	at net.minecraftforge.fml.common.asm.transformers.DeobfuscationTransformer.transform(DeobfuscationTransformer.java:51) ~[forgeSrc-1.12-14.21.0.2327.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_65]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_65]
	... 22 more

 

I'm using 1.11.2 / 1.12 forge, (last time I successfully used JDBC was 1.8, around 1-2 years ago). Also the code where it throws the exception:

public Connection connect() throws Exception{
	if(isConnected()){
		return c;
	}
	String url = "jdbc:mysql://" + hostname + ":" + port + (database == null ? "" : "/" + database);
	Print.debug(url);
	try{
		Class.forName("com.mysql.jdbc.Driver");//here
	}
	catch(Exception e){
		e.printStackTrace();
	}
	c = DriverManager.getConnection(url, user, password);
	return c;
}

Any suggestions what to do?



(also I hope I didn't post in the wrong place)

Edited by Ferdinand
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