Elran Dvir created SOLR-5975:
--------------------------------
Summary: NullPointerException in StatsComponent when field is of
type Date
Key: SOLR-5975
URL: https://issues.apache.org/jira/browse/SOLR-5975
Project: Solr
Issue Type: Bug
Reporter: Elran Dvir
For a stats distributed query on a date field, a null pointer exception is
thrown if there aren't any docs matching the query in one of the shards.
In this case there won't be values sum and sumOfSquares in shard response, and
we will get null pointer exception when we try to read them in
updateTypeSpecificStats in accumulate.
A patch fixing it is attached.
the full exception stack trace:
java.lang.NullPointerException at
org.apache.solr.handler.component.DateStatsValues.updateTypeSpecificStats(StatsValuesFactory.java:484)
at
org.apache.solr.handler.component.AbstractStatsValues.accumulate(StatsValuesFactory.java:128)
at
org.apache.solr.handler.component.StatsComponent.handleResponses(StatsComponent.java:121)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:311)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1904) at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:659)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:362)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:158)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:370) at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
at
org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
at
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644) 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(Thread.java:804)
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