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predecessor count for the root node-revision is wrong message

From: Jason Wong <jwong1mail_at_gmail.com>
Date: Tue, 7 Feb 2012 13:23:10 -0800

Hello.

I have recently run into an issue with my subversion system (1.7.1)
where a specific component I am trying to build has failed. I have
had sucessful builds of this project before this issue happened since
we upgraded to 1.7.1. I am currently getting by this by using
TortoiseSVN 1.7.1 to do the check-in of the files left in the
workspace.

This issue seems to be intermittent as it does not happen every time.
I am using subversion 1.7.1 windows binaries and subversion is
hosting on Apache 2.2.21.

I have run "svnadmin verify" against the directory and it has come
back clean. I was wondering what type of events can cause this to
happen? Are there any resolutions?

Here are some entries from the apache log for the last time this
issue happened.

The Apache error log shows the following lines:

    [Tue Jan 31 11:37:23 2012] [error] [client 9.31.13.109] Could not
        MERGE resource "/repository/!svn/txn/61847-1bz5" into
        "/repository/project/binaries/release/phase1/iteration/81/trunk
        ". [409, #0]
    [Tue Jan 31 11:37:23 2012] [error] [client 9.31.13.109] An error
        occurred while committing the transaction.  [409, #160004]
    [Tue Jan 31 11:37:23 2012] [error] [client 9.31.13.109] predecessor
        count for the root node-revision is wrong: found 61815,
        committing r61852  [409, #160004]
    [Tue Jan 31 11:37:24 2012] [error] [client 9.31.13.109] Could not
        fetch resource information.  [404, #0]
    [Tue Jan 31 11:37:24 2012] [error] [client 9.31.13.109] Named
        transaction doesn't exist.  [404, #0]

The following are from the Apache access log at the same time:

    9.31.13.109 - username [31/Jan/2012:11:37:22 -0800] "MERGE
        /repository/project/binaries/release/phase1/iteration/81/trunk
        HTTP/1.1" 409 281
    9.31.13.109 - username [31/Jan/2012:11:37:24 -0800] "DELETE
        /repository/!svn/txn/61847-1bz5 HTTP/1.1" 404 232

Any help/comments would be appreciated. Thank you.

Jason Wong
Received on 2012-02-08 00:08:37 CET

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