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https://issues.apache.org/jira/browse/CASSANDRA-10497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson resolved CASSANDRA-10497.
-----------------------------------------
Resolution: Duplicate
Fix Version/s: (was: 2.1.x)
this will be fixed by CASSANDRA-10501
> NPE on removeUnfinishedCompactionLeftovers after sstablesplit
> -------------------------------------------------------------
>
> Key: CASSANDRA-10497
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10497
> Project: Cassandra
> Issue Type: Bug
> Components: Core, Tools
> Environment: Ubuntu 14.04
> Reporter: Robbie Strickland
> Assignee: Marcus Eriksson
> Attachments: npe_system.log
>
>
> After stopping the node and running {{sstablesplit}} on a single table,
> restarting Cassandra results in an NPE:
> {noformat}
> INFO [SSTableBatchOpen:2] 2015-10-09 13:15:38,745 SSTableReader.java:471 -
> Opening
> /var/lib/cassandra/xvdd/data/system/schema_keyspaces-b0f2235744583cdb9631c43e59ce3676/system-schema_keyspaces-ka-514
> (175 bytes)
> INFO [main] 2015-10-09 13:15:38,747 AutoSavingCache.java:146 - reading saved
> cache
> /var/lib/cassandra/xvdb/cache/system-schema_keyspaces-b0f2235744583cdb9631c43e59ce3676-KeyCache-b.db
> ERROR [main] 2015-10-09 13:15:39,114 CassandraDaemon.java:541 - Exception
> encountered during startup
> org.apache.cassandra.io.FSReadError: java.lang.NullPointerException
> at
> org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers(ColumnFamilyStore.java:641)
> ~[apache-cassandra-2.1.7-SNAPSHOT.jar:2.1.7-SNAPSHOT]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:302)
> [apache-cassandra-2.1.7-SNAPSHOT.jar:2.1.7-SNAPSHOT]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:524)
> [apache-cassandra-2.1.7-SNAPSHOT.jar:2.1.7-SNAPSHOT]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:613)
> [apache-cassandra-2.1.7-SNAPSHOT.jar:2.1.7-SNAPSHOT]
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers(ColumnFamilyStore.java:633)
> ~[apache-cassandra-2.1.7-SNAPSHOT.jar:2.1.7-SNAPSHOT]
> ... 3 common frames omitted
> {noformat}
> The node would only come back up after deleting all the files in
> compactions_in_progress.
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