[jira] Commented: (SOLR-1051) Support the merge of multiple indexes

["Koji Sekiguchi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-1051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714942#action_12714942 ] 

Koji Sekiguchi commented on SOLR-1051:
--------------------------------------

I got NPE when trying to MERGEINDEXES:

http://localhost:8983/solr/admin/cores?action=MERGEINDEXES&core=core0&indexDirs=indexname

java.lang.NullPointerException
	at org.apache.solr.update.processor.RunUpdateProcessor.<init>(RunUpdateProcessorFactory.java:55)
	at org.apache.solr.update.processor.RunUpdateProcessorFactory.getInstance(RunUpdateProcessorFactory.java:43)
	at org.apache.solr.update.processor.UpdateRequestProcessorChain.createProcessor(UpdateRequestProcessorChain.java:55)
	at org.apache.solr.handler.admin.CoreAdminHandler.handleMergeAction(CoreAdminHandler.java:191)
	at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:151)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
	at org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:301)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:174)
	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.headerComplete(HttpConnection.java:821)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:208)
	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)

Solr was started by:

$ cd example
$ java -Dsolr.solr.home=./multicore -jar start.jar

The cause of NPE is RunUpdateProcessor trys to get UpdateHandler via SolrCore, but core is null in req:

{code}
  public RunUpdateProcessor(SolrQueryRequest req, UpdateRequestProcessor next) {
    super( next );
    this.req = req;
    this.updateHandler = req.getCore().getUpdateHandler();
  }
{code}


> Support the merge of multiple indexes
> -------------------------------------
>
>                 Key: SOLR-1051
>                 URL: https://issues.apache.org/jira/browse/SOLR-1051
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>            Reporter: Ning Li
>            Assignee: Shalin Shekhar Mangar
>            Priority: Minor
>             Fix For: 1.4
>
>         Attachments: SOLR-1051.patch, SOLR-1051.patch, SOLR-1051.patch
>
>
> This is to support the merge of multiple indexes.

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