[CASSANDRA-1883] NPE in get_slice quorum read

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 0.6.9, 0.7.0 rc 3

Environment

Linux Fedora 12 x86_64

• Severity: Low
• Assignee: Jonathan Ellis
• Reporter: Karl Mueller

Authors

Jonathan Ellis

Reviewers

T Jake Luciani

• Created: 18/Dec/10 21:16
• Updated: 16/Apr/19 09:33
• Resolved: 21/Dec/10 21:37

Description

Getting this NPE as of the 2010-12-17 0.7 trunk. Some data may be corrupt somewhere on a node. It could be a null key somewhere.

ERROR [pool-1-thread-28] 2010-12-18 12:53:20,411 Cassandra.java (line 2707) Internal error processing get_slice
java.lang.NullPointerException
at org.apache.cassandra.service.DigestMismatchException.<init>(DigestMismatchException.java:30)
at org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:92)
at org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:43)
at org.apache.cassandra.service.QuorumResponseHandler.get(QuorumResponseHandler.java:91)
at org.apache.cassandra.service.StorageProxy.strongRead(StorageProxy.java:362)
at org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:229)
at org.apache.cassandra.thrift.CassandraServer.readColumnFamily(CassandraServer.java:128)
at org.apache.cassandra.thrift.CassandraServer.getSlice(CassandraServer.java:225)
at org.apache.cassandra.thrift.CassandraServer.multigetSliceInternal(CassandraServer.java:301)
at org.apache.cassandra.thrift.CassandraServer.get_slice(CassandraServer.java:263)
at org.apache.cassandra.thrift.Cassandra$Processor$get_slice.process(Cassandra.java:2699)
at org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2555)
at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:167)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)