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https://issues.apache.org/jira/browse/SOLR-12063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16393709#comment-16393709
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Varun Thacker commented on SOLR-12063:
--------------------------------------
{quote}Somewhere in the test case we are printing all the data in zookeeper.
This happens multiple times and fills the console. Can we figure out where is
this happening and fix it?
{quote}
Created SOLR-12076
> 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, 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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