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From Sebastian Oerding <>
Subject AW: AW: maven-release-plugin / SVN credentials
Date Mon, 30 Mar 2015 07:28:15 GMT
Hello Robert,

svn works perfectly fine using the command line or the installed Tortoise SVN or using Subversion.
If invoking maven from the command line I do not have to provide credentials (just committed
something where a change was sent to the server to verify that). Hence the SVN must take the
credentials from somewhere which is related to the Active Directory / Kerberos ticket.

However this seems to fail if using the maven-release-plugin. However this may relate to
as there is also an error message to use --force interactive to make the maven-release-plugin
to request the credentials.

I'll try with version 2.5.2 of the maven-release-plugin.

With regards

-----Ursprüngliche Nachricht-----
Von: Robert Scholte [] 
Gesendet: Freitag, 27. März 2015 22:02
An: Maven Users List
Betreff: Re: AW: maven-release-plugin / SVN credentials

Hi Sebastian,

this is first of all more an svn commandline issue rather than a Maven / maven-release-plugin
For that reason you should start by calling svn directly from the commandline. In the end,
that's exactly what maven-release-plugin (actually the scm-svn-provider) does. Once it can
be called from commandline, it should be a simple step to make it work with Maven.
"svn status" or "svn up" are easy to verify, but don't always require credentials (depends
how the access is controlled by the svn server) "svn commit" does require authentication.

How credentials are stored: that's all up the the svn client.


Op Fri, 27 Mar 2015 10:35:51 +0100 schreef Sebastian Oerding

> Hi Robert,
> - I have looked at the Maven SCM project but do not get my problem 
> solved or more hints on it
> - The maven-release-plugin is locked (with version 2.5, not 2.5.1)
> - If running maven with -X according to console no credentials are 
> provided when accessing the SVN
> - If running maven with -Dusername / -Dpassword the credentials are 
> shown (password masked) and it works, however changing the password at 
> least monthly for each run configuration / bat file / ... is no real 
> solution
> - My colleagues encounter the same problem having switched to SVN 1.8
> - How can I get a JIRA account to report a bug?
> - I know that SVN really changes from 1.6 to 1.8, maybe this problem 
> stems from there?
> - I read that  the order of authentication mechanism changes, however 
> trying parameter -Dsvnkit.http.methods=Basic,Digest,Negotiate,NTLM did 
> not help
> - Does the maven-scm-plugin should be able to access SVN with Windows 
> 7
> + Active Directory by using the system's Kerberos / NTLM ticket or was
> there any desupport of this feature?
> - I also had the problem after the last password change but somehow 
> managed it by doing a single commit with Tortoise, saving the 
> credentials (deleting %USER%\AppData\Roaming\Subversion\auth before).
> Afterwards the maven-release worked as expected. Unfortunately this 
> approach seems to work no more. Hence how can I check where are the 
> credentials taken from? Is there some additional kind of extreme 
> logging besides -e / -X switches?
> Thanks in advance,
> Sebastian
> -----Ursprüngliche Nachricht-----
> Von: Robert Scholte []
> Gesendet: Freitag, 27. März 2015 08:51
> An: Maven Users List
> Betreff: Re: maven-release-plugin / SVN credentials
> Hi Sebastian,
> since your issue has to do with svn, one needs to look at the Maven 
> SCM project.[1] That's what the maven-release-plugin is using to the 
> commits, tags and checkouts.
> First ensure you've locked the version of the maven-release-plugin, 
> preferably the lastest (i.e. 2.5.1).
> If you run the plugin with logging level set to debug (by adding the 
> -X
> argument) you'll see the commandline
> which is executed. You should be able to do the same (do strip off the 
> cmdshell specific part). That should give you the same exception and 
> might give you a hint how this could be fixed.
> Verify if it is a knows issue in Jira[2], sometimes such issues give 
> extra info.
> Verify the SCM Subversion page[3], it also describes some additional 
> configuration.
> If this can't be solved by commandline, then there's a svnjava 
> implementation which you could use[4].
> thanks,
> Robert
> [1]
> [2]
> [3]
> [4]
> va/wiki/Usage
> Op Thu, 26 Mar 2015 08:20:31 +0100 schreef Sebastian Oerding
> <>:
>> Hello,
>> I have a problem with the maven-release-plugin using the SVN 
>> credentials (details below). I always get an SVN authorization error.
>> It seems that the release plugin does not use the existing 
>> credentials. Unfortunately I'm even not sure whether it is a problem 
>> of the maven-release-plugin or SVN. How can I check / get a log which 
>> credentials / whether credentials are actually used?
>> Please explain me how an installed SVN is used (SlikSvn and Tortoise 
>> SVN installed, both with version 1.8 of the subversion protocol).
>> Details:
>> I'm in a company where we have Windows 7, 64 bit systems and an 
>> Active Directory for Single Sign On (This Windows Kerberos / NTLM like stuff).
>> The maven-release-plugin worked fine until switching from subversion
>> 1.6 to subversion 1.8. However I had exactly the same problem last 
>> month after the monthly password change. Surprisingly I was able to 
>> get this solved by making a single commit with Tortoise SVN providing 
>> the credentials (and choosing Tortoise to save them). However after 
>> my laptop has been renewed the same problem occurs again and I can 
>> not solve it using the same trick as before.
>> Using Google I found a lot of posts on stackoverflow and similar 
>> stuff where users report a problem with the maven-release-plugin and 
>> SVN credentials. However all of the solutions presented are 
>> unacceptable to me or do not solve my problem. For example I can not 
>> store my company wide password in some file which is checked into the SVN.
>> Providing the parameters for each invocation of the 
>> maven-release-plugin adjusting them every month would also be somehow 
>> risky. At least it would be error-prone - every time when I forget to 
>> adjust the password after a monthly change I have to rollback the 
>> release, clean up the project, adjust the settings and try again.
>> In my previous setup where I was able to solve the problem by a 
>> Tortoise commit I noticed that the SVN credentials persisted under 
>> %USER%\AppData\Roaming\Subversion\auth changed. Before there were 
>> only empty directories, now there is a directory svn.simple which 
>> contains a text file with the SVN realm, username and so on as 
>> expected. The password also seems to be fine but I can not definitely 
>> say as it is encrypted.
>> Do you have any further hints on that, maybe a SVN mailing list where 
>> to go?
>> With kind regards,
>> Sebastian Oerding
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