Ryan McGuire created CASSANDRA-5334:
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Summary: NullPointerException in a mixed 1.1 / 1.2 cluster
Key: CASSANDRA-5334
URL: https://issues.apache.org/jira/browse/CASSANDRA-5334
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.1.9
Reporter: Ryan McGuire
I have a mixed version cluster consisting of two 1.1.9 nodes and one 1.2.2 node
upgraded from 1.1.9.
The upgrade works, and I don't see any problems end user problems, however I
see this exception in the logs on the non-upgraded nodes:
{code}
ERROR [MigrationStage:1] 2013-03-11 18:09:09,001 AbstractCassandraDaemon.java
(line 135) Exception in thread Thread[MigrationStage:1,5,main]
java.lang.NullPointerException
at
org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:167)
at
org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:124)
at org.apache.cassandra.cql.jdbc.JdbcUTF8.getString(JdbcUTF8.java:77)
at org.apache.cassandra.cql.jdbc.JdbcUTF8.compose(JdbcUTF8.java:97)
at org.apache.cassandra.db.marshal.UTF8Type.compose(UTF8Type.java:35)
at
org.apache.cassandra.cql3.UntypedResultSet$Row.getString(UntypedResultSet.java:87)
at
org.apache.cassandra.config.KSMetaData.fromSchema(KSMetaData.java:256)
at org.apache.cassandra.db.DefsTable.mergeKeyspaces(DefsTable.java:397)
at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:373)
at
org.apache.cassandra.db.DefsTable.mergeRemoteSchema(DefsTable.java:352)
at
org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:48)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{code}
Steps to reproduce:
{code}
ccm create -v 1.1.9 1.1.9
ccm populate -n 3
ccm start
ccm node1 stress
ccm node1 down
{code}
edit ~/.ccm/1.1.9/cluster.conf and configure cassandra_dir to point to 1.2.2
{code}
ccm node1 up
{code}
The cluster is now a mixed version, and works for user queries, but with the
exception above.
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