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https://issues.apache.org/jira/browse/CASSANDRA-14224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16748406#comment-16748406
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Laxmikant Upadhyay commented on CASSANDRA-14224:
------------------------------------------------
[~geagle] Can you please post the cause and resolution of the issue ?
> Failed to create merkel tree
> ----------------------------
>
> Key: CASSANDRA-14224
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14224
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Repair
> Reporter: Igor Zubchenok
> Priority: Major
>
> While repairing a node with nodetool -full -pr -dcpar, another node throws an
> AssertionError and failed to create merkel tree.
> There is no information what is wrong and how to fix in logs.
>
> {code:java}
> DEBUG [ValidationExecutor:25] 2018-02-08 21:31:42,581 SSTableReader.java:503
> - Opening
> /var/lib/cassandra/data/prod/invoices-a8454000c10711e4896155ab730ce02d/snapshots/689d7a80-0d17-11e8-950c-37c5a1498597/mc-35-big
> (1.876KiB)
> DEBUG [ValidationExecutor:39] 2018-02-08 21:31:42,581 SSTableReader.java:503
> - Opening
> /var/lib/cassandra/data/prod/invoices-a8454000c10711e4896155ab730ce02d/snapshots/689d7a80-0d17-11e8-950c-37c5a1498597/mc-35-big
> (1.876KiB)
> DEBUG [ValidationExecutor:39] 2018-02-08 21:31:42,586 SSTableReader.java:503
> - Opening
> /var/lib/cassandra/data/prod/invoices-a8454000c10711e4896155ab730ce02d/snapshots/689d7a80-0d17-11e8-950c-37c5a1498597/mc-36-big
> (0.688KiB)
> ERROR [ValidationExecutor:25] 2018-02-08 21:31:42,586 Validator.java:268 -
> Failed creating a merkle tree for [repair
> #69803961-0d17-11e8-950c-37c5a1498597 on prod/invoices,
> [(-4165282778092010776,-4162024061639141985]]], /88.99.35.178 (see log for
> details)
> ERROR [ValidationExecutor:25] 2018-02-08 21:31:42,587
> CassandraDaemon.java:228 - Exception in thread
> Thread[ValidationExecutor:25,1,main]
> java.lang.AssertionError: null
> at
> org.apache.cassandra.io.sstable.format.SSTableReader$GlobalTidy.get(SSTableReader.java:2313)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier.setup(SSTableReader.java:2138)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.setup(SSTableReader.java:2081)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.open(SSTableReader.java:519)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getSnapshotSSTableReader(ColumnFamilyStore.java:1901)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.db.compaction.CompactionManager.doValidationCompaction(CompactionManager.java:1335)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.db.compaction.CompactionManager.access$700(CompactionManager.java:86)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at
> org.apache.cassandra.db.compaction.CompactionManager$13.call(CompactionManager.java:942)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_151]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> ~[na:1.8.0_151]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_151]
> at
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)
> [apache-cassandra-3.11.1.jar:3.11.1]
> at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_151]
> DEBUG [ValidationExecutor:39] 2018-02-08 21:31:42,588 SSTableReader.java:503
> - Opening
> /var/lib/cassandra/data/prod/invoices-a8454000c10711e4896155ab730ce02d/snapshots/689d7a80-0d17-11e8-950c-37c5a1498597/mc-33-big
> (9.891MiB)
> ERROR [NonPeriodicTasks:1] 2018-02-08 21:31:42,589 CassandraDaemon.java:228 -
> Exception in thread Thread[NonPeriodicTasks:1,5,main]
> java.lang.NullPointerException: null
> at
> org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier$1.run(SSTableReader.java:2192)
> ~[apache-cassandra-3.11.1.jar:3.11.1]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_151]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_151]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
> ~[na:1.8.0_151]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> ~[na:1.8.0_151]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> ~[na:1.8.0_151]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_151]
> at
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)
> [apache-cassandra-3.11.1.jar:3.11.1]
> at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_151]{code}
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