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From "Amrit Sarkar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-12063) Fix tlog entry indexes in UpdateLog for CDCR to work smoothly.
Date Thu, 08 Mar 2018 09:05:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-12063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amrit Sarkar updated SOLR-12063:
--------------------------------
    Attachment: test-report-TestStressRecovery
                test-report-PeerSyncTest

> Fix tlog entry indexes in UpdateLog for CDCR to work smoothly.
> --------------------------------------------------------------
>
>                 Key: SOLR-12063
>                 URL: https://issues.apache.org/jira/browse/SOLR-12063
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: CDCR
>    Affects Versions: 7.2
>            Reporter: Amrit Sarkar
>            Assignee: Varun Thacker
>            Priority: Major
>         Attachments: SOLR-12063.patch, SOLR-12063.patch, test-report-PeerSyncTest, test-report-TestStressRecovery
>
>
> In *UpdateLog*, {{RecentUpdates}} reads the entry of tlogs, and throughout the project
the entry indexes for various operations are consistent, but odd in this part. As we included
new entry in TransactionLog for CDCR, read operations in {{update()}} method of {{RecentUpdates}}
throw error rightfully as elements are read from wrong indexes of tlog entry. The entry indexes
of llog should be consistent throughout.
> {code}
>   [beaster]   2> 27394 WARN  (qtp97093533-72) [n:127.0.0.1:44658_solr c:cdcr-cluster1
s:shard1 r:core_node3 x:cdcr-cluster1_shard1_replica_n1] o.a.s.u.UpdateLog Unexpected log
entry or corrupt log.  Entry=[2, -1594312216007409664, [B@28e6859c, true]
>   [beaster]   2> java.lang.ClassCastException: java.lang.Boolean cannot be cast to
[B
>   [beaster]   2> 	at org.apache.solr.update.UpdateLog$RecentUpdates.update(UpdateLog.java:1443)
>   [beaster]   2> 	at org.apache.solr.update.UpdateLog$RecentUpdates.<init>(UpdateLog.java:1340)
>   [beaster]   2> 	at org.apache.solr.update.UpdateLog.getRecentUpdates(UpdateLog.java:1513)
>   [beaster]   2> 	at org.apache.solr.handler.CdcrRequestHandler.handleShardCheckpointAction(CdcrRequestHandler.java:448)
>   [beaster]   2> 	at org.apache.solr.handler.CdcrRequestHandler.handleRequestBody(CdcrRequestHandler.java:198)
>   [beaster]   2> 	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:195)
>   [beaster]   2> 	at org.apache.solr.core.SolrCore.execute(SolrCore.java:2503)
>   [beaster]   2> 	at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)
>   [beaster]   2> 	at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:517)
>   [beaster]   2> 	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:384)
>   [beaster]   2> 	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:330)
>   [beaster]   2> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
>   [beaster]   2> 	at org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
>   [beaster]   2> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
>   [beaster]   2> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
>   [beaster]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
>   [beaster]   2> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
>   [beaster]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
>   [beaster]   2> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
>   [beaster]   2> 	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
>   [beaster]   2> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
>   [beaster]   2> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
> {code}



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