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Posted to dev@lucene.apache.org by "Yonik Seeley (JIRA)" <ji...@apache.org> on 2013/03/21 19:09:19 UTC
[jira] [Resolved] (SOLR-4608) Update Log replay should use the
default processor chain
[ https://issues.apache.org/jira/browse/SOLR-4608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yonik Seeley resolved SOLR-4608.
--------------------------------
Resolution: Fixed
> Update Log replay should use the default processor chain
> --------------------------------------------------------
>
> Key: SOLR-4608
> URL: https://issues.apache.org/jira/browse/SOLR-4608
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.1, 4.2
> Reporter: ludovic Boutros
> Assignee: Yonik Seeley
> Fix For: 4.3, 5.0, 4.2.1
>
> Attachments: SOLR-4608.patch
>
>
> If a processor chain is used with custom processors,
> they are not used in case of node failure during log replay.
> Here is the code:
> {code:title=UpdateLog.java|borderStyle=solid}
> public void doReplay(TransactionLog translog) {
> try {
> loglog.warn("Starting log replay " + translog + " active="+activeLog + " starting pos=" + recoveryInfo.positionOfStart);
> tlogReader = translog.getReader(recoveryInfo.positionOfStart);
> // NOTE: we don't currently handle a core reload during recovery. This would cause the core
> // to change underneath us.
> // TODO: use the standard request factory? We won't get any custom configuration instantiating this way.
> RunUpdateProcessorFactory runFac = new RunUpdateProcessorFactory();
> DistributedUpdateProcessorFactory magicFac = new DistributedUpdateProcessorFactory();
> runFac.init(new NamedList());
> magicFac.init(new NamedList());
> UpdateRequestProcessor proc = magicFac.getInstance(req, rsp, runFac.getInstance(req, rsp, null));
> {code}
> I think this is a big issue, because a lot of people will discover it when a node will crash in the best case... and I think it's too late.
> It means to me that processor chains are not usable with Solr Cloud currently.
>
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