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subversion: ERROR: unable to determine version

unknown

Hello experts

I am trying to migrate our svn repository to git using the directions from https://www.atlassian.com/de/git/migration

When I run the command to verify the prerequisites, I get the error

I am running the command on the subversion server, svn is installed and gets the following output in commandline:

>svn --version
svn, Version 1.7.4-SlikSvn-1.7.4-WIN32 (SlikSvn/1.7.4) WIN32
 übersetzt Mar 8 2012, 13:26:42

Can you help me fixing this problem?

Thanks a lot & best regards

Daniel

Accepted answers

Robin Stocker

It looks like the migration script tries to check the version of the svn binary, but due to it not being in the expected format, it fails.

Can you try using a non-translated or English version of Subversion? Depending on how the translations are done, doing this before running the commands may help:

export LANG=C

After that, check if the output of svn --version changes.

All comments

Mehmet Kazgan_qriny9

Are you running this?

java -jar svn-migration-scripts.jar verify

unknown

Yes exactly!

Thank you, Daniel

Stefan Saasen

Are you running the verify command on that server? For the migration to work the client needs to have an svn client available.

unknown

Hi Stefan Yes, I am running the verify command on the server which is running svnserve as a windows service. If I run the "svn --version" command I get the output mentioned above, I guess this means that the svn client is installed correctly? Thanks, Daniel

Robin Stocker

It looks like the migration script tries to check the version of the svn binary, but due to it not being in the expected format, it fails.

Can you try using a non-translated or English version of Subversion? Depending on how the translations are done, doing this before running the commands may help:

export LANG=C

After that, check if the output of svn --version changes.

unknown

Thanks a lot Robin!

I did the equivalent command

SET LANG=C

in Windows. Now verification works (and I can go to the next step)

Best regards, Daniel

Tom Whitworth

svn --version works however,

C:\Users\XiaoR>java -jar C:/Users/XiaoR/Downloads/svn-migration-scripts.jar verify
svn-migration-scripts: using version 0.1.56bbc7f
Git: ERROR: Unable to determine version.
Subversion: using version 1.7.8

Chandrashekhar 4

Hello guys,

I am getting similar error (in bold) when I run verify command:

>java -jar svn-migration-scripts.jar verify

svn-migration-scripts: using version 0.1.56bbc7f
Git: using version 2.5.3.windows.1
Subversion: ERROR: Unable to determine version.
git-svn: using version 2.5.3.windows.1

I have Tortoise-SVN installed on my windows machine. And I think the same error is causing next command to fail:

>java -jar svn-migration-scripts.jar authors <svn_repo> > authors.txt

About to create the authors file.
Exception in thread "main" java.io.IOException: Cannot run program "svn": Create Process error=2, The system cannot find the file specified

at java.lang.ProcessBuilder.start(Unknown Source)

Can someone please help me out here. What I am doing wrong or missing anything?

Chandrashekhar 4

I did also try, SET LANG=C, but no luck sad

Sean Furze

I had this same issue.

You need to run the Tortoise-SVN installer again and modify the current installation. This will allow you to install the command line tools.

Once you have the command line tools installed you will be able to run svn -- version and the migration scripts.

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