[jira] Commented: (SOLR-670) UpdateHandler must provide a rollback feature

["Otis Gospodnetic (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672441#action_12672441 ] 

Otis Gospodnetic commented on SOLR-670:
---------------------------------------

Is it possible that the new rollback causes the IndexWriter to be closed on error, which then causes the following error next time you try to add a (valid) document?

Feb 10, 2009 5:46:28 PM org.apache.solr.update.processor.LogUpdateProcessor finish
INFO: {} 0 1
Feb 10, 2009 5:46:28 PM org.apache.solr.common.SolrException log
SEVERE: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
	at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:397)
	at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:402)
	at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:2108)
	at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:218)
	at org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:60)
	at org.apache.solr.handler.XMLLoader.processUpdate(XMLLoader.java:140)
	at org.apache.solr.handler.XMLLoader.load(XMLLoader.java:69)
	at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:54)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
	at org.apache.solr.core.SolrCore.execute(SolrCore.java:1313)
	at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:303)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:232)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
	at org.mortbay.jetty.Server.handle(Server.java:285)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:502)
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:835)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:641)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:202)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:378)
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:226)
	at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

After rollback is invoked, is one supposed to execute some other command to get Solr in a healthy state?


> UpdateHandler must provide a rollback feature
> ---------------------------------------------
>
>                 Key: SOLR-670
>                 URL: https://issues.apache.org/jira/browse/SOLR-670
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 1.3
>            Reporter: Noble Paul
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 1.4
>
>         Attachments: SOLR-670.patch, SOLR-670.patch, SOLR-670.patch
>
>
> Lucene IndexWriter already has a rollback method. There should be a counterpart for the same in _UpdateHandler_  so that users can do a rollback over http 

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