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From Matt Brown <Matt.Br...@citrixOnline.com>
Subject RE: How to set up SCM/CVS/Maven integration with public key authentication?
Date Mon, 15 Jun 2009 20:08:22 GMT
Created: http://jira.codehaus.org/browse/SCM-477

Thanks.
 

-----Original Message-----
From: anders.g.hammar@gmail.com [mailto:anders.g.hammar@gmail.com] On Behalf Of Anders Hammar
Sent: Monday, June 15, 2009 3:46 PM
To: Maven Users List
Subject: Re: How to set up SCM/CVS/Maven integration with public key authentication?

Hi,

Could you please file a jira regarding this so that it can be fixed?

/Anders

On Mon, Jun 15, 2009 at 20:16, Matt Brown<Matt.Brown@citrixonline.com> wrote:
> For anyone who runs into this problem in the future:
>
> After downloading the scm plugin source, I discovered that the plugin is using an empty
string for the passphrase when authenticating with a public key.
>
> To tell the scm/CVS plugin the correct passphrase to use, you need to set a System property
for the key "maven.scm.cvs.java.ssh.passphrase", i.e.
>
>    mvn scm:status -Dmaven.scm.cvs.java.ssh.passphrase=<my passphrase>
>
>
> A little disappointing that the system properties the CVS/SCM plugin uses aren't mentioned
in the documentation for the plugin.
>
>
> -----Original Message-----
> From: Matt Brown [mailto:Matt.Brown@citrixOnline.com]
> Sent: Thursday, June 11, 2009 1:11 PM
> To: users@maven.apache.org
> Subject: How to set up SCM/CVS/Maven integration with public key authentication?
>
> I have a <scm> section in a POM that looks something like this:
>
>        <scm>
>                
> <connection>scm:cvs:ext:myhostname:/cvsroot/repo:module_name</connecti
> on>
>        </scm>
>
>
> I typically use publickey auth to authentication against this cvs server, although it
should accept my password as well.
>
> When I attempt to run 'mvn scm:update', 'mvn release:prepare', or any Maven goal that
involves connecting to this scm, I get the following failure:
>
> [INFO] Executing: cmd.exe /X /C "cvs -z3 -f -q update -d"
> [INFO] Working directory: C:\Documents and 
> Settings\matt.brown\workspace\projectname
> org.netbeans.lib.cvsclient.connection.AuthenticationException: Cannot authenticate. Reason:
Publickey authentication failed.
>        at 
> org.apache.maven.scm.provider.cvslib.cvsjava.util.ExtConnection.open(E
> xtConnection.java:136)
>        at 
> org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection.connec
> t(CvsConnection.java:166)
>        at 
> org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection.proces
> sCommand(CvsConnection.java:498)
>        at 
> org.apache.maven.scm.provider.cvslib.cvsjava.command.update.CvsJavaUpd
> ateCommand.executeCvsCommand(CvsJavaUpdateCommand.java:53)
>        at 
> org.apache.maven.scm.provider.cvslib.command.update.AbstractCvsUpdateC
> ommand.executeUpdateCommand(AbstractCvsUpdateCommand.java:78)
>        at 
> org.apache.maven.scm.command.update.AbstractUpdateCommand.executeComma
> nd(AbstractUpdateCommand.java:63)
>        at 
> org.apache.maven.scm.command.AbstractCommand.execute(AbstractCommand.j
> ava:59)
>        at 
> org.apache.maven.scm.provider.cvslib.AbstractCvsScmProvider.executeCom
> mand(AbstractCvsScmProvider.java:750)
>        at 
> org.apache.maven.scm.provider.cvslib.AbstractCvsScmProvider.update(Abs
> tractCvsScmProvider.java:348)
>        at 
> org.apache.maven.scm.provider.AbstractScmProvider.update(AbstractScmPr
> ovider.java:821)
>        at 
> org.apache.maven.scm.provider.AbstractScmProvider.update(AbstractScmPr
> ovider.java:770)
>        at 
> org.apache.maven.scm.manager.AbstractScmManager.update(AbstractScmMana
> ger.java:526)
>        at 
> org.apache.maven.scm.plugin.UpdateMojo.execute(UpdateMojo.java:89)
> (lots more of the stacktrace....)
>
>
> And further down in the stacktrace:
>
> Caused by: java.io.IOException: Decrypted PEM has wrong padding, did you specify the
correct password?
>        at 
> ch.ethz.ssh2.crypto.PEMDecoder.removePadding(PEMDecoder.java:109)
>        at 
> ch.ethz.ssh2.crypto.PEMDecoder.decryptPEM(PEMDecoder.java:286)
>        at ch.ethz.ssh2.crypto.PEMDecoder.decode(PEMDecoder.java:319)
>
> Followed by:
>
> [ERROR] Provider message:
> [ERROR] The cvs command failed.
> [ERROR] Command output:
>
>
>
> I'm running this on a Windows machine, with no cvs executable on the PATH. I do have
my public key available under $HOME/.ssh, but it doesn't seem as if cvs/maven/scm is loading
it here - as I'm not asked for the keyphrase for it.
>
> So, I have a few questions:
>
> 1. How do I properly tell maven when using scm where my public key resides? Do I need
to do it explicitly?
> 2. From the stacktrace, does it look as if this is even the correct error - or is something
else going on? I can see traffic exchanged between my machine and the CVS host when I run
this command if I use wireshark, so I know some sort of communication is going on.
>
> Thanks
>
>
>
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