[SOLR-12071] PULL replica cores initialisation fails when Cdcr enabled

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 7.2
• Component/s: CDCR
• Assignee: Varun Thacker
• Reporter: Amrit Sarkar
• Created: 08/Mar/18 18:40
• Updated: 28/Oct/20 20:37
• Resolved: 28/Oct/20 20:37

Description

CdcrUpdateLog never gets picked up for PULL type replicas and hence the core initialisation fails when a collection is CDCR enabled, obviously it can't be a leader, but followers.

   [junit4]   2> 47345 INFO  (qtp1256767285-28) [n:127.0.0.1:50646_solr c:cdcr-cluster2 s:shard1 r:core_node4 x:cdcr-cluster2_shard1_replica_p2] o.a.s.m.SolrMetricManager Closing metric reporters for registry=solr.collection.cdcr-cluster2.shard1.leader, tag=895903268
   [junit4]   2> 47353 INFO  (searcherExecutor-32-thread-1-processing-n:127.0.0.1:50646_solr x:cdcr-cluster2_shard1_replica_t1 s:shard1 c:cdcr-cluster2 r:core_node3) [n:127.0.0.1:50646_solr c:cdcr-cluster2 s:shard1 r:core_node3 x:cdcr-cluster2_shard1_replica_t1] o.a.s.c.SolrCore [cdcr-cluster2_shard1_replica_t1] Registered new searcher Searcher@638c50cd[cdcr-cluster2_shard1_replica_t1] main{ExitableDirectoryReader(UninvertingDirectoryReader())}
   [junit4]   2> 47353 ERROR (qtp1256767285-28) [n:127.0.0.1:50646_solr c:cdcr-cluster2 s:shard1 r:core_node4 x:cdcr-cluster2_shard1_replica_p2] o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: Error CREATEing SolrCore 'cdcr-cluster2_shard1_replica_p2': Unable to create core [cdcr-cluster2_shard1_replica_p2] Caused by: Solr instance is not configured with the cdcr update log.
   [junit4]   2> 	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:993)
   [junit4]   2> 	at org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:90)
   [junit4]   2> 	at org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:358)
   [junit4]   2> 	at org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
   [junit4]   2> 	at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
   [junit4]   2> 	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:195)
   [junit4]   2> 	at org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
   [junit4]   2> 	at org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
   [junit4]   2> 	at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
   [junit4]   2> 	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:384)
   [junit4]   2> 	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:330)
   [junit4]   2> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
   [junit4]   2> 	at org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
   [junit4]   2> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
   [junit4]   2> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
   [junit4]   2> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
   [junit4]   2> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
   [junit4]   2> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
   [junit4]   2> 	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
   [junit4]   2> 	at org.eclipse.jetty.server.Server.handle(Server.java:530)
   [junit4]   2> 	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
   [junit4]   2> 	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
   [junit4]   2> 	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
   [junit4]   2> 	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
   [junit4]   2> 	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
   [junit4]   2> 	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
   [junit4]   2> 	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
   [junit4]   2> 	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
   [junit4]   2> 	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
   [junit4]   2> 	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
   [junit4]   2> 	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: org.apache.solr.common.SolrException: Unable to create core [cdcr-cluster2_shard1_replica_p2]
   [junit4]   2> 	at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1060)
   [junit4]   2> 	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:954)
   [junit4]   2> 	... 39 more
   [junit4]   2> Caused by: org.apache.solr.common.SolrException: Solr instance is not configured with the cdcr update log.
   [junit4]   2> 	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
   [junit4]   2> 	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)
   [junit4]   2> 	at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1044)
   [junit4]   2> 	... 40 more
   [junit4]   2> Caused by: org.apache.solr.common.SolrException: Solr instance is not configured with the cdcr update log.
   [junit4]   2> 	at org.apache.solr.handler.CdcrRequestHandler.inform(CdcrRequestHandler.java:259)
   [junit4]   2> 	at org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:696)
   [junit4]   2> 	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:987)
   [junit4]   2> 	... 42 more
   [junit4]   2>