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(solved) Newbie getting bizarre ClassNotFoundException: JSchException [message #778266]

Thu, 12 January 2012 03:14

Alex Dreadd

Messages: 8
Registered: January 2012

Junior Member

I was trying out JGit and set up a very simple program (I am using Eclipse to create the program - but it's a standalone application, so I don't want an eclipse dependency or anything):

	public static void main(String[] args) throws Exception
		{
		File WORKDIR = new File("/home/ismavatar/bot-enigma/git-stable");
		String REPO = "htt" + "ps://github.com/enigma-dev/enigma-dev.git"; //split up so the forums don't yell at me for posting links
		Git.cloneRepository().setURI(REPO).setDirectory(WORKDIR).call();
		}

and made sure JGit was in my build path (which it is, since the Git class is resolving).

Running the program generated the following error:

Exception in thread "main" java.lang.NoClassDefFoundError: com/jcraft/jsch/JSchException
	at org.eclipse.jgit.transport.Transport.<clinit>(Transport.java:111)
	at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:119)
	at org.eclipse.jgit.api.CloneCommand.fetch(CloneCommand.java:173)
	at org.eclipse.jgit.api.CloneCommand.call(CloneCommand.java:119)
	at org.ircbot.Tester.main(Tester.java:18)
Caused by: java.lang.ClassNotFoundException: com.jcraft.jsch.JSchException
	at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	... 5 more

Where Tester.java:18 is the Git.cloneRepository line, of course.

After the call, the directory is created with nothing but a populated .git folder, so it looks like it failed after setting up the meta data.

On second run of the exact same code above, I get the somewhat expected:

org.eclipse.jgit.api.errors.JGitInternalException: Destination path "git-stable" already exists and is not an empty directory

and no ClassLoader error.

Any and all help is greatly appreciated.

[Updated on: Fri, 13 January 2012 19:35]

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Re: Newbie getting bizarre ClassNotFoundException: JSchException [message #778317 is a reply to message #778266]

Thu, 12 January 2012 11:06

Matthew Webber

Messages: 198
Registered: December 2010

Senior Member

If the result is a directory with a .git folder but no working copy, the cause is typically that authentication to the respository failed. Also check that your proxy is defined correctly.

What happens when you "git clone https://github.com/enigma-dev/enigma-dev.git" from the command line?

Matthew

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Re: Newbie getting bizarre ClassNotFoundException: JSchException [message #778495 is a reply to message #778317]

Thu, 12 January 2012 20:59

Alex Dreadd

Messages: 8
Registered: January 2012

Junior Member

Thank you for the reply, here are the results of running your command on the command line:

$ git clone htt\
> ps://github.com/enigma-dev/enigma-dev.git #split for forums
Cloning into enigma-dev...
remote: Counting objects: 11638, done.
remote: Compressing objects: 100% (2711/2711), done.
remote: Total 11638 (delta 8313), reused 11592 (delta 8267)
Receiving objects: 100% (11638/11638), 13.60 MiB | 2.59 MiB/s, done.
Resolving deltas: 100% (8313/8313), done.
$ ls -aF enigma-dev/
./               ENIGMAsystem/         .git/       packages/
../              events_compat.res     .gitignore  pluginsource/
Compilers/       events_localless.res  MacOS/      settings.ey
CompilerSource/  events.res            Makefile    Windows/
$

It did not ask me for authentication. The duration of the operation was no more than 5 seconds.

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