[CASSANDRA-10497] NPE on removeUnfinishedCompactionLeftovers after sstablesplit

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Duplicate
• Component/s: Legacy/Tools

Environment

Ubuntu 14.04

• Severity: Normal
• Since Version: 2.1.7
• Assignee: Marcus Eriksson
• Reporter: Robert Strickland

Authors

Marcus Eriksson

• Created: 09/Oct/15 13:26
• Updated: 16/Apr/19 09:30
• Resolved: 23/Oct/15 09:06

Description

After stopping the node and running sstablesplit on a single table, restarting Cassandra results in an NPE:

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

The node would only come back up after deleting all the files in compactions_in_progress.

Issue Links

• duplicates: CASSANDRA-10501 Failure to start up Cassandra when temporary compaction files are not all renamed after kill/crash (FSReadError)