[SOLR-8969] SQLHandler causes NPE in non-cloud mode

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 6.0
• Fix Version/s: 6.3, 7.0
• Component/s: Parallel SQL
• Assignee: Kevin Risden
• Reporter: Markus Jelsma
• Created: 11/Apr/16 14:35
• Updated: 08/Oct/19 14:51
• Resolved: 11/Oct/16 20:28

Description

It should instead throw a proper error message. Stack trace:

1233075 INFO  (qtp97730845-21) [   x:logs] o.a.s.c.S.Request [logs]  webapp=/solr path=/sql params={stmt=SELECT+uid+FROM+logs} status=0 QTime=18
1233095 INFO  (qtp97730845-21) [   x:logs] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
1233109 ERROR (qtp97730845-21) [   x:logs] o.a.s.c.s.i.s.ExceptionStream org.apache.solr.common.SolrException: java.lang.NullPointerException
        at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:169)
        at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:115)
        at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:105)
        at org.apache.solr.common.cloud.ZkStateReader.<init>(ZkStateReader.java:200)
        at org.apache.solr.client.solrj.impl.CloudSolrClient.connect(CloudSolrClient.java:466)
        at org.apache.solr.client.solrj.io.SolrClientCache.getCloudSolrClient(SolrClientCache.java:48)
        at org.apache.solr.client.solrj.io.stream.CloudSolrStream.open(CloudSolrStream.java:237)
        at org.apache.solr.client.solrj.io.stream.SelectStream.open(SelectStream.java:153)
        at org.apache.solr.client.solrj.io.stream.ExceptionStream.open(ExceptionStream.java:47)
        at org.apache.solr.handler.StreamHandler$TimerStream.open(StreamHandler.java:362)
        at org.apache.solr.response.TextResponseWriter.writeTupleStream(TextResponseWriter.java:301)
        at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:167)
        at org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:183)
        at org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:299)
        at org.apache.solr.response.JSONWriter.writeResponse(JSONResponseWriter.java:95)
        at org.apache.solr.response.JSONResponseWriter.write(JSONResponseWriter.java:60)
        at org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
        at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:725)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:469)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:229)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:184)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1160)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1092)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
        at org.eclipse.jetty.server.Server.handle(Server.java:518)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:244)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
        at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:246)
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:156)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
        at org.apache.zookeeper.client.ConnectStringParser.<init>(ConnectStringParser.java:50)
        at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:443)
        at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:380)
        at org.apache.solr.common.cloud.SolrZooKeeper.<init>(SolrZooKeeper.java:43)
        at org.apache.solr.common.cloud.ZkClientConnectionStrategy.createSolrZooKeeper(ZkClientConnectionStrategy.java:103)
        at org.apache.solr.common.cloud.DefaultConnectionStrategy.connect(DefaultConnectionStrategy.java:37)
        at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:144)
        ... 44 more

Issue Links

• is duplicated by: SOLR-9302 Better error message when running SQL queries in standalone mode
• relates to: SOLR-8125 Umbrella ticket for Streaming and SQL issues