I didn't want bother you all with this, but maybe someone could help. After disabling the infinite water in the config and also in the cauldron yml I get this
---- Minecraft Crash Report ----
// I feel sad now
Time: 9/15/14 10:30 AM
Description: Exception in server tick loop
java.lang.NoClassDefFoundError: net/minecraft/world/gen/ChunkProviderServer
at net.minecraft.world.WorldServer.func_72970_h(WorldServer.java:1061)
at net.minecraft.world.World.<init>(World.java:440)
at net.minecraft.world.WorldServer.<init>(WorldServer.java:197)
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:360)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:226)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
Caused by: java.lang.ClassNotFoundException: net.minecraft.world.gen.ChunkProviderServer
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 7 more
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: t
at org.objectweb.asm.ClassWriter.getCommonSuperClass(Unknown Source)
at org.objectweb.asm.ClassWriter.a(Unknown Source)
at org.objectweb.asm.Frame.a(Unknown Source)
at org.objectweb.asm.Frame.a(Unknown Source)
at org.objectweb.asm.MethodWriter.visitMaxs(Unknown Source)
at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
at org.objectweb.asm.tree.ClassNode.accept(Unknown Source)
at eyamaz.bnbtweaks.asm.ClassTransformer.writeClassToBytes(ClassTransformer.java:186)
at eyamaz.bnbtweaks.asm.ClassTransformer.transform(ClassTransformer.java:168)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:274)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:172)