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https://issues.apache.org/jira/browse/SOLR-2204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13084883#comment-13084883
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Shawn Heisey commented on SOLR-2204:
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bq. I was looking at this and have a half-baked untried patch which handles the
client side of the negotiation, but before spending more time on it I was
hoping to get some opinions.
I worked around this in my own installation by modifying my build system. It
can now run two independent copies, one for each set of shards. By the time I
was ready for that, 3.2 was out. When I upgraded one of the sets, I eliminated
replication and began building them independently. I'm still running that way,
even after upgrading both sets to 3.2. It's actually been advantageous,
because I now have a full-scale testbed. Before I could run tests with a
single shard on independent hardware, now I can do it on the entire index
because the offline set is built independently.
Thank you for looking into the problem. Hopefully it will save someone a lot
of headache in the future.
> Cross-version replication broken by new javabin format
> ------------------------------------------------------
>
> Key: SOLR-2204
> URL: https://issues.apache.org/jira/browse/SOLR-2204
> Project: Solr
> Issue Type: Bug
> Components: replication (java)
> Affects Versions: 3.1
> Environment: Linux idxst0-a 2.6.18-194.3.1.el5.centos.plusxen #1 SMP
> Wed May 19 09:59:34 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.6.0_20"
> Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
> Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
> Reporter: Shawn Heisey
> Fix For: 3.4, 4.0
>
> Attachments: SOLR-2204.patch
>
>
> Slave server is branch_3x, revision 1027974. Master server is 1.4.1.
> Replication fails because of the new javabin format.
> SEVERE: Master at: http://HOST:8983/solr/live/replication is not available.
> Index fetch failed. Exception: Invalid version or the data in not in
> 'javabin' format
> Switching Solr's internally generated requests to XML, or adding support for
> both javabin versions would get rid of this problem. I do not know how to do
> either of these things.
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