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We have upgraded our site from sitecore 8.0 u2 to 8.2 u4, everything works fine. I am trying to rebuild only 1 index at a time, after indexing some items we are getting error. We are using solr 4.10.3. 

Job started: Index_Update_IndexName=xyz_master_index|#Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> SolrNet.Exceptions.SolrConnectionException: <?xml version="1.0" encoding="UTF-8"?>
<response>
<lst name="responseHeader"><int name="status">500</int><int name="QTime">3</int></lst><lst name="error"><str name="msg">Exception writing document id sitecore://master/{e3108f29-52d7-438b-939b-851a6df78a75}?lang=en&amp;ver=1&amp;ndx=abc_master_index to the index; possible analysis error.</str><str name="trace">org.apache.solr.common.SolrException: Exception writing document id sitecore://master/{e3108f29-52d7-438b-939b-851a6df78a75}?lang=en&amp;ver=1&amp;ndx=abc_master_index to the index; possible analysis error.
    at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:168)
    at org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:69)
    at org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:51)
    at org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalAdd(DistributedUpdateProcessor.java:926)
    at org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:1080)
    at org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:692)
    at org.apache.solr.update.processor.LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:100)
    at org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java:247)
    at org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:174)
    at org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:99)
    at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74)
    at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
    at org.apache.solr.core.SolrCore.execute(SolrCore.java:1976)
    at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:777)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:418)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
    at org.eclipse.jetty.server.Server.handle(Server.java:368)
    at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
    at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
    at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942)
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004)
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:647)
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
    at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
    at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
    at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
    at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:698)
    at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:712)
    at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1507)
    at org.apache.solr.update.DirectUpdateHandler2.addDoc0(DirectUpdateHandler2.java:240)
    at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:164)
    ... 40 more
Caused by: java.lang.OutOfMemoryError: Java heap space
    at org.apache.lucene.util.packed.PackedLongValues$Builder.&lt;init&gt;(PackedLongValues.java:185)
    at org.apache.lucene.util.packed.DeltaPackedLongValues$Builder.&lt;init&gt;(DeltaPackedLongValues.java:59)
    at org.apache.lucene.util.packed.PackedLongValues.deltaPackedBuilder(PackedLongValues.java:55)
    at org.apache.lucene.util.packed.PackedLongValues.deltaPackedBuilder(PackedLongValues.java:60)
    at org.apache.lucene.index.NumericDocValuesWriter.&lt;init&gt;(NumericDocValuesWriter.java:44)
    at org.apache.lucene.index.DefaultIndexingChain$PerField.finish(DefaultIndexingChain.java:578)
    at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:324)
    at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:239)
    at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:457)
    at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1511)
    at org.apache.solr.update.DirectUpdateHandler2.addDoc0(DirectUpdateHandler2.java:240)
    at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:164)
    at org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:69)
    at org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:51)
    at org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalAdd(DistributedUpdateProcessor.java:926)
    at org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:1080)
    at org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:692)
    at org.apache.solr.update.processor.LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:100)
    at org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java:247)
    at org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:174)
    at org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:99)
    at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74)
    at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
    at org.apache.solr.core.SolrCore.execute(SolrCore.java:1976)
    at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:777)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:418)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
</str><int name="code">500</int></lst>
</response>
 ---> System.Net.WebException: The remote server returned an error: (500) Internal Server Error.
   at System.Net.HttpWebRequest.GetResponse()
   at HttpWebAdapters.Adapters.HttpWebRequestAdapter.GetResponse()
   at SolrNet.Impl.SolrConnection.GetResponse(IHttpWebRequest request)
   at SolrNet.Impl.SolrConnection.PostStream(String relativeUrl, String contentType, Stream content, IEnumerable`1 parameters)
   --- End of inner exception stack trace ---
   at SolrNet.Impl.SolrConnection.PostStream(String relativeUrl, String contentType, Stream content, IEnumerable`1 parameters)
   at SolrNet.Impl.SolrConnection.Post(String relativeUrl, String s)
   at SolrNet.Impl.SolrBasicServer`1.SendAndParseHeader(ISolrCommand cmd)
   at Sitecore.ContentSearch.SolrProvider.SolrBatchUpdateContext.AddRange(IEnumerable`1 batch)
   at Sitecore.ContentSearch.SolrProvider.SolrBatchUpdateContext.Commit()
   at Sitecore.ContentSearch.SolrProvider.SwitchOnRebuildSolrSearchIndex.PerformRebuild(Boolean resetIndex, Boolean optimizeOnComplete, IndexingOptions indexingOptions, CancellationToken cancellationToken)
   at Sitecore.ContentSearch.SolrProvider.SolrSearchIndex.Rebuild(Boolean resetIndex, Boolean optimizeOnComplete)
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
   at (Object , Object[] )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Jobs.Job.ThreadEntry(Object state)

Does anyone know what is the issue?

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1 Answer 1

Reset to default
8

The error is telling you that SOLR is running out of memory:

Caused by: java.lang.OutOfMemoryError: Java heap space

The heap size of SOLR defaults to 512 MB, you can amend this by specifying a size in the command that launches SOLR, e.g.:

solr start -m 1024m

will start SOLR with a heap size of 1024 MB.

This guide contains information on how to approach deciding on a heap size. There are also pointers in this question here on the StackExchange.

There's no one answer on how much memory you need to assign. The approach will be similar to the advice given on deciding on cache sizes for Sitecore - start with more than you need and then reduce this to a suitable level as you observe how much it uses.

Of course, if you have plenty of memory on your SOLR server, this may not be a worry. A good place to at least start will be to up the default and then try to rebuild your indexes to see if the problem is fixed.

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1
  • Thank you @Kasaku, I was also thinking the same, it worked for me after increasing size.
    – Gaurav Agarwal
    Commented Dec 7, 2017 at 12:07

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