Cyberduck Mountain Duck CLI

#6226 closed defect (worksforme)

Immediate Crash on Startup. NoSuchMethodError Exception

Reported by: markusm1 Owned by:
Priority: high Milestone: 4.1.3
Component: core Version: 4.1
Severity: blocker Keywords:
Cc: Architecture:
Platform: Mac OS X 10.6


Cyberduck crashes every time on startup with the following exception:

[LaunchRunner Error] ch.cyberduck.ui.cocoa.MainApplication.main(String[]) threw an exception:
java.lang.NoSuchMethodError: org.objectweb.asm.ClassWriter.<init>(I)V
	at net.sf.cglib.core.DebuggingClassWriter.<init>(
	at net.sf.cglib.core.DefaultGeneratorStrategy.getClassWriter(
	at net.sf.cglib.core.DefaultGeneratorStrategy.generate(
	at net.sf.cglib.core.AbstractClassGenerator.create(
	at net.sf.cglib.core.KeyFactory$Generator.create(
	at net.sf.cglib.core.KeyFactory.create(
	at net.sf.cglib.core.KeyFactory.create(
	at net.sf.cglib.core.KeyFactory.create(
	at net.sf.cglib.proxy.Enhancer.<clinit>(
	at org.rococoa.Rococoa.createProxy(
	at org.rococoa.Rococoa.wrap(
	at org.rococoa.Rococoa.createClass(
	at ch.cyberduck.ui.cocoa.MainApplication.main(
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(
	at java.lang.reflect.Method.invoke(
	at apple.launcher.LaunchRunner.callMain(
	at apple.launcher.JavaApplicationLauncher.launch(

Java Runtime:

java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03-384-10M3425)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02-384, mixed mode)

Change History (4)

comment:1 Changed on Sep 15, 2011 at 12:47:39 PM by dkocher

Please check for any installed JAR libraries in /Library/Java/Extensions.

comment:2 follow-up: Changed on Sep 20, 2011 at 8:11:15 PM by markusm1

Yes, thats it. There are jars used by jboss app server. Any suggestions getting both work?

comment:3 in reply to: ↑ 2 Changed on Sep 21, 2011 at 6:23:04 AM by dkocher

Replying to markusm1:

Yes, thats it. There are jars used by jboss app server. Any suggestions getting both work?

You should provide these libraries to JBoss in its own classpath and not install them system wide.

comment:4 Changed on Sep 24, 2011 at 8:59:19 AM by dkocher

  • Milestone set to 4.1.3
  • Resolution set to worksforme
  • Status changed from new to closed
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