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https://issues.apache.org/jira/browse/SOLR-11556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16889704#comment-16889704
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ASF subversion and git services commented on SOLR-11556:
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Commit 4e6a6ab46befaeceb330489be9a5889d3ce246b0 in lucene-solr's branch
refs/heads/branch_8x from Mikhail Khludnev
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=4e6a6ab ]
SOLR-11556: fixing multiple backup repository support.
> Backup/Restore with multiple BackupRepository objects defined results in the
> wrong repo being used.
> ---------------------------------------------------------------------------------------------------
>
> Key: SOLR-11556
> URL: https://issues.apache.org/jira/browse/SOLR-11556
> Project: Solr
> Issue Type: Bug
> Components: Backup/Restore
> Affects Versions: 6.3
> Reporter: Timothy Potter
> Assignee: Mikhail Khludnev
> Priority: Major
> Attachments: SOLR-11556.patch, SOLR-11556.patch, SOLR-11556.patch,
> SOLR-11556.patch
>
>
> I defined two repos for backup/restore, one local and one remote on GCS, e.g.
> {code}
> <backup>
> <repository name="hdfs"
> class="org.apache.solr.core.backup.repository.HdfsBackupRepository"
> default="false">
> ...
> </repository>
> <repository name="local"
> class="org.apache.solr.core.backup.repository.LocalFileSystemRepository"
> default="false">
> <str name="location">/tmp/solr-backups</str>
> </repository>
> </backup>
> {code}
> Since the CollectionHandler does not pass the "repository" param along, once
> the BackupCmd gets the ZkNodeProps, it selects the wrong repo!
> The error I'm seeing is:
> {code}
> 2017-10-26 17:07:27.326 ERROR
> (OverseerThreadFactory-19-thread-1-processing-n:host:8983_solr) [ ]
> o.a.s.c.OverseerCollectionMessageHandler Collection: product operation:
> backup failed:java.nio.file.FileSystemNotFoundException: Provider "gs" not
> installed
> at java.nio.file.Paths.get(Paths.java:147)
> at
> org.apache.solr.core.backup.repository.LocalFileSystemRepository.resolve(LocalFileSystemRepository.java:82)
> at org.apache.solr.cloud.BackupCmd.call(BackupCmd.java:99)
> at
> org.apache.solr.cloud.OverseerCollectionMessageHandler.processMessage(OverseerCollectionMessageHandler.java:224)
> at
> org.apache.solr.cloud.OverseerTaskProcessor$Runner.run(OverseerTaskProcessor.java:463)
> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> Notice the Local backup repo is being selected in the BackupCmd even though I
> passed repository=hdfs in my backup command, e.g.
> {code}
> curl
> "http://localhost:8983/solr/admin/collections?action=BACKUP&name=foo&collection=foo&location=gs://tjp-solr-test/backups&repository=hdfs";
> {code}
> I think the fix here is to include the repository param, see patch. I'll fix
> for the next 7.x release and those on 6 can just apply the patch here.
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