Hi All, I am using solr 7.4 version. I am trying to export data using streaming expressions.
Following is the simple curl query that i am using. I am indexing my data and testing the following query. curl --data-urlencode 'expr=search(collection1, > q="text:solar", > fl="id", > sort="id asc", > qt="/export")' http://localhost:8983/solr/collection1/stream when i run above query with initial few documents indexed, it is working fine. After indexing few thousand documents (around , i am getting the following error for the same query. EXCEPTION":"java.util.concurrent.ExecutionException: > java.io.IOException: --> http://localhost:8983/solr/collection1/: An > exception has occurred on the server, refer to server log for details." I've looked into my solr logs and the following is the error info java.io.IOException: java.util.concurrent.ExecutionException: > java.io.IOException: --> http://localhost:8983/solr/collection1/: An > exception has occurred on the server, refer to server log for details. > at > org.apache.solr.client.solrj.io.stream.CloudSolrStream.openStreams(CloudSolrStream.java:400) > at > org.apache.solr.client.solrj.io.stream.CloudSolrStream.open(CloudSolrStream.java:275) > at > org.apache.solr.client.solrj.io.stream.ExceptionStream.open(ExceptionStream.java:54) > at > org.apache.solr.handler.StreamHandler$TimerStream.open(StreamHandler.java:397) > at > org.apache.solr.client.solrj.io.stream.TupleStream.writeMap(TupleStream.java:83) > at > org.apache.solr.response.JSONWriter.writeMap(JSONResponseWriter.java:539) > at > org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:181) > at > org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:209) > at > org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:325) > at > org.apache.solr.response.JSONWriter.writeResponse(JSONResponseWriter.java:120) > at > org.apache.solr.response.JSONResponseWriter.write(JSONResponseWriter.java:71) > at > org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65) > at > org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:787) > at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:524) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:377) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:323) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) > at > org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) > at > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) > at > org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) > at org.eclipse.jetty.server.Server.handle(Server.java:531) > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352) > at > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) > at > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281) > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) > at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) > at > org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) > at > org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:760) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:678) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.util.concurrent.ExecutionException: java.io.IOException: > --> http://localhost:8983/solr/collection1/: An exception has occurred on > the server, refer to server log for details. > at java.util.concurrent.FutureTask.report(FutureTask.java:122) > at java.util.concurrent.FutureTask.get(FutureTask.java:192) > at > org.apache.solr.client.solrj.io.stream.CloudSolrStream.openStreams(CloudSolrStream.java:394) > ... 49 more > Caused by: java.io.IOException: --> > http://localhost:8983/solr/collection1/: An exception has occurred on the > server, refer to server log for details. > at > org.apache.solr.client.solrj.io.stream.SolrStream.read(SolrStream.java:225) > at > org.apache.solr.client.solrj.io.stream.CloudSolrStream$TupleWrapper.next(CloudSolrStream.java:484) > at > org.apache.solr.client.solrj.io.stream.CloudSolrStream$StreamOpener.call(CloudSolrStream.java:507) > at > org.apache.solr.client.solrj.io.stream.CloudSolrStream$StreamOpener.call(CloudSolrStream.java:494) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > ... 1 more > Caused by: java.io.IOException: JSONTupleStream: expected OBJECT_START but > got EOF > at > org.apache.solr.client.solrj.io.stream.JSONTupleStream.expect(JSONTupleStream.java:99) > at > org.apache.solr.client.solrj.io.stream.JSONTupleStream.advanceToDocs(JSONTupleStream.java:179) > at > org.apache.solr.client.solrj.io.stream.JSONTupleStream.next(JSONTupleStream.java:77) > at > org.apache.solr.client.solrj.io.stream.SolrStream.read(SolrStream.java:194) > ... 8 more Is it because new documents have something unusual in their content? Even if that is the case, i am requesting only one field which is **id** and there is nothing unusual about it. Any idea what what is issue here ?