Bug 269798

Summary:	dev-java/maven-bin-2.1.0 throws java.lang.NoClassDefFoundError: org/codehaus/classworlds/Launcher
Product:	Gentoo Linux	Reporter:	Alexander Semenov <bohtvaroh>
Component:	[OLD] Java	Assignee:	Java team <java>
Status:	RESOLVED INVALID
Severity:	major
Priority:	High
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description Alexander Semenov 2009-05-14 08:35:50 UTC

dev-java/maven-bin-2.1.0 cannot start due to missing class. Emerging dev-java/classworlds doesn't help.

Reproducible: Always

Steps to Reproduce:
Just run mvn.

Actual Results:  
Exception is thrown:

~$ mvn
Exception in thread "main" java.lang.NoClassDefFoundError: org/codehaus/classworlds/Launcher
Caused by: java.lang.ClassNotFoundException: org.codehaus.classworlds.Launcher
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
Could not find the main class: org.codehaus.classworlds.Launcher.  Program will exit.

Expected Results:  
Maven should run gracefully.

Reproduced with sun-jdk 5 and 6.

Comment 1 Alexander Semenov 2009-05-14 08:44:16 UTC

Setting correct M2_HOME env variable resolves the problem.

Comment 2 Alistair Bush (RETIRED) gentoo-dev

2009-06-13 01:18:22 UTC

could I have to result of this

ls -al /usr/bin/mvn

Comment 3 Alexander Semenov 2009-06-13 20:53:09 UTC

M2_HOME env variable was set not correctly.