Nimi Wariboko Jr. created CASSANDRA-11988: ---------------------------------------------
Summary: NullPointerExpception when reading/compacting table Key: CASSANDRA-11988 URL: https://issues.apache.org/jira/browse/CASSANDRA-11988 Project: Cassandra Issue Type: Bug Reporter: Nimi Wariboko Jr. Fix For: 3.6 I have a table that suddenly refuses to be read or compacted. Issuing a read on the table causes a NPE. On compaction, it returns the error {code} ERROR [CompactionExecutor:6] 2016-06-09 17:10:15,724 CassandraDaemon.java:213 - Exception in thread Thread[CompactionExecutor:6,1,main] java.lang.NullPointerException: null at org.apache.cassandra.db.transform.UnfilteredRows.isEmpty(UnfilteredRows.java:38) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.partitions.PurgeFunction.applyToPartition(PurgeFunction.java:64) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.partitions.PurgeFunction.applyToPartition(PurgeFunction.java:24) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:76) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60) ~[apache-cassandra-3.6.jar:3.6] at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264) ~[apache-cassandra-3.6.jar:3.6] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_45] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_45] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_45] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45] {code} Schema: {code} CREATE TABLE cmpayments.report_payments ( reportid timeuuid, userid timeuuid, adjustedearnings decimal, deleted set<timeuuid> static, earnings map<timeuuid, decimal>, gross map<timeuuid, decimal>, organizationid text, payall timestamp static, status text, PRIMARY KEY (reportid, userid) ) WITH CLUSTERING ORDER BY (userid ASC) AND bloom_filter_fp_chance = 0.01 AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'} AND comment = '' AND compaction = {'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32', 'min_threshold': '4'} AND compression = {'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'} AND crc_check_chance = 1.0 AND dclocal_read_repair_chance = 0.1 AND default_time_to_live = 0 AND gc_grace_seconds = 864000 AND max_index_interval = 2048 AND memtable_flush_period_in_ms = 0 AND min_index_interval = 128 AND read_repair_chance = 0.0 AND speculative_retry = '99PERCENTILE'; {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)