Modassar Ather created SOLR-7954:
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             Summary: Exception while using {!cardinality=1.0}.
                 Key: SOLR-7954
                 URL: https://issues.apache.org/jira/browse/SOLR-7954
             Project: Solr
          Issue Type: Bug
    Affects Versions: 5.2.1
            Reporter: Modassar Ather


Following exception is thrown for the query : 
bq. q=field:query&stats=true&stats.field={!cardinality=1.0}field.
The exception is not seen once the cardinality is set to 0.9 or less.
The field is docValues enabled and indexed=false. The same exception I tried to 
reproduce on non docValues field but could not.

ERROR - 2015-08-11 12:24:00.222; [core] org.apache.solr.common.SolrException; 
null:java.lang.ArrayIndexOutOfBoundsException: 3
        at 
net.agkn.hll.serialization.BigEndianAscendingWordSerializer.writeWord(BigEndianAscendingWordSerializer.java:152)
        at net.agkn.hll.util.BitVector.getRegisterContents(BitVector.java:247)
        at net.agkn.hll.HLL.toBytes(HLL.java:917)
        at net.agkn.hll.HLL.toBytes(HLL.java:869)
        at 
org.apache.solr.handler.component.AbstractStatsValues.getStatsValues(StatsValuesFactory.java:348)
        at 
org.apache.solr.handler.component.StatsComponent.convertToResponse(StatsComponent.java:151)
        at 
org.apache.solr.handler.component.StatsComponent.process(StatsComponent.java:62)
        at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:255)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:2064)
        at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:654)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:450)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:227)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:196)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:497)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at 
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:745)



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