[ 
https://issues.apache.org/jira/browse/SOLR-6065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Cassandra Targett updated SOLR-6065:
------------------------------------
    Component/s: update

> Solr should give you clear error if you try to add too many docs
> ----------------------------------------------------------------
>
>                 Key: SOLR-6065
>                 URL: https://issues.apache.org/jira/browse/SOLR-6065
>             Project: Solr
>          Issue Type: Bug
>          Components: update
>            Reporter: Hoss Man
>
> LUCENE-5843 recently fixed IndexWriter to throw a specific exception in the 
> event that an index grows too big, preventing people from creating indexes 
> they can't later search.  That issue also added a new test-only setter that 
> can be used to lower the limit for hte purposes of testing.
> For the Solr side of things, we should primarily focus on making sure we have 
> some cloud based tests that set the lower limit and then verify that users 
> get clean error messages when they exceed it for a single shard.
> {panel:title=original bug report}
> yamazaki reported an error on solr-user where, on opening a new searcher, he 
> got an IAE from BaseCompositeReader because the numDocs was greater then 
> Integer.MAX_VALUE.
> I'm surprised that in a straight forward setup (ie: no "AddIndex" merging) 
> IndexWriter will even let you add more docs then max int.  We should 
> investigate if this makes sense and either add logic in IndexWriter to 
> prevent this from happening, or add logic to Solr's UpdateHandler to prevent 
> things from getting that far.
> ie: we should be failing to "add" too many documents, and leaving the index 
> usable -- not accepting the add and leaving hte index in an unusable state.
> stack trace reported by user...
> {noformat}
> ERROR org.apache.solr.core.CoreContainer  – Unable to create core: collection1
> org.apache.solr.common.SolrException: Error opening new searcher
>     at org.apache.solr.core.SolrCore.<init>(SolrCore.java:821)
>     at org.apache.solr.core.SolrCore.<init>(SolrCore.java:618)
>     at 
> org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:949)
>     at org.apache.solr.core.CoreContainer.create(CoreContainer.java:984)
>     at org.apache.solr.core.CoreContainer$2.call(CoreContainer.java:597)
>     at org.apache.solr.core.CoreContainer$2.call(CoreContainer.java:592)
>     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
>     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>     at java.lang.Thread.run(Thread.java:662)
> Caused by: org.apache.solr.common.SolrException: Error opening new searcher
>     at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1438)
>     at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1550)
>     at org.apache.solr.core.SolrCore.<init>(SolrCore.java:796)
>     ... 13 more
> Caused by: org.apache.solr.common.SolrException: Error opening Reader
>     at 
> org.apache.solr.search.SolrIndexSearcher.getReader(SolrIndexSearcher.java:172)
>     at 
> org.apache.solr.search.SolrIndexSearcher.<init>(SolrIndexSearcher.java:183)
>     at 
> org.apache.solr.search.SolrIndexSearcher.<init>(SolrIndexSearcher.java:179)
>     at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1414)
>     ... 15 more
> Caused by: java.lang.IllegalArgumentException: Too many documents,
> composite IndexReaders cannot exceed 2147483647
>     at 
> org.apache.lucene.index.BaseCompositeReader.<init>(BaseCompositeReader.java:77)
>     at 
> org.apache.lucene.index.DirectoryReader.<init>(DirectoryReader.java:368)
>     at 
> org.apache.lucene.index.StandardDirectoryReader.<init>(StandardDirectoryReader.java:42)
>     at 
> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:71)
>     at 
> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:783)
>     at 
> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:52)
>     at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:88)
>     at 
> org.apache.solr.core.StandardIndexReaderFactory.newReader(StandardIndexReaderFactory.java:34)
>     at 
> org.apache.solr.search.SolrIndexSearcher.getReader(SolrIndexSearcher.java:169)
>     ... 18 more
> {noformat}
> {panel}



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