Details
Critical Description
I'm using solr 6.3.0. I indexed a big amount of docuements into one solr collection with one shard, it's 60G in the disk, which has around 2506889 documents.
I frequently get the ArrayIndexOutOfBoundsException when I send a simple stats request, for example:
The solr log capture following exception as well as in the response like below:
{
"responseHeader": {
"zkConnected": true,
"status": 500,
"QTime": 11,
"params": {
"q": "*:*",
"stats": "true",
"start": "0",
"timeAllowed": "60000",
"rows": "0",
"version": "2.2",
"wt": "json",
"stats.field": [
"asp_community_facet",
"asp_group_facet"
]
}
},
"response": {
"numFound": 2506211,
"start": 0,
"docs": [ ]
},
"error": {
"msg": "28",
"trace": "java.lang.ArrayIndexOutOfBoundsException: 28\n\tat org.apache.solr.request.DocValuesStats.accumMulti(DocValuesStats.java:213)\n\tat org.apache.solr.request.DocValuesStats.getCounts(DocValuesStats.java:135)\n\tat org.apache.solr.handler.component.StatsField.computeLocalStatsValues(StatsField.java:424)\n\tat org.apache.solr.handler.component.StatsComponent.process(StatsComponent.java:58)\n\tat org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:295)\n\tat org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:153)\n\tat org.apache.solr.core.SolrCore.execute(SolrCore.java:2213)\n\tat org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:654)\n\tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:460)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:303)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:254)\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)\n\tat org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\n\tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1160)\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)\n\tat org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1092)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\n\tat org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)\n\tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\n\tat org.eclipse.jetty.server.Server.handle(Server.java:518)\n\tat org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308)\n\tat org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:244)\n\tat org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)\n\tat org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)\n\tat org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:246)\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:156)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)\n\tat java.lang.Thread.run(Thread.java:745)\n",
"code": 500
}
}
I tried to remove some documents by reduce the document amount to 2334089, then the query get correct response, like below:
{
"responseHeader": {
"zkConnected": true,
"status": 0,
"QTime": 154,
"params": {
"q": "*:*",
"stats": "true",
"start": "0",
"timeAllowed": "60000",
"rows": "0",
"version": "2.2",
"wt": "json",
"stats.field": [
"asp_community_facet",
"asp_group_facet"
]
}
},
"response": {
"numFound": 2334089,
"start": 0,
"docs": [ ]
},
"stats": {
"stats_fields": {
"asp_community_facet": {
"min": "American Film",
"max": "World Music",
"count": 1954337,
"missing": 407503
},
"asp_group_facet": {
"min": "All Disciplines",
"max": "Social Sciences",
"count": 2407087,
"missing": 354869
}
}
}
}
My solr memory setting in /etc/default/solr.in.sh is like below:
SOLR_JAVA_MEM="-Xms30G -Xmx60G"
So, I thought it's probably not a memory issue. By the way, I have a solr 5.3 server with the same amount of documents (2506889) in a one shard core which does not have this exception.
JiaJun