Tyler Hobbs created CASSANDRA-9460:
--------------------------------------
Summary: NullPointerException Creating Digest
Key: CASSANDRA-9460
URL: https://issues.apache.org/jira/browse/CASSANDRA-9460
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Tyler Hobbs
Assignee: Stefania
Fix For: 2.1.x
Attachments: node2.log
In the {{consistency_test.TestConsistency.short_read_test}} dtest against
cassandra-2.1, the following error occured:
{noformat}
ERROR [ReadRepairStage:3] 2015-05-22 16:35:25,034 CassandraDaemon.java:223 -
Exception in thread Thread[ReadRepairStage:3,5,main]
java.lang.NullPointerException: null
at org.apache.cassandra.db.ColumnFamily.updateDigest(ColumnFamily.java:390)
~[main/:na]
at org.apache.cassandra.db.ColumnFamily.digest(ColumnFamily.java:383)
~[main/:na]
at
org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:84)
~[main/:na]
at
org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:28)
~[main/:na]
at
org.apache.cassandra.service.ReadCallback$AsyncRepairRunner.run(ReadCallback.java:176)
~[main/:na]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
~[na:1.7.0_80]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
~[na:1.7.0_80]
at java.lang.Thread.run(Thread.java:745) ~[na:1.7.0_80]
{noformat}
>From a glance at the code in the stacktrace, it looks like there was a null
>cell in the ColumnFamily that we were creating a digest of. This error is
>probably particular to "short reads".
Here's the failing test:
http://cassci.datastax.com/job/cassandra-2.1_dtest/lastCompletedBuild/testReport/consistency_test/TestConsistency/short_read_test/.
I've attached the logs for the node with the error.
We saw this issue against 2.1, but the problem may also exist with 2.0 and/or
2.2.
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