DOAN DuyHai created CASSANDRA-7946:
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Summary: NPE when streaming data to a joining node and dropping
table in cluster
Key: CASSANDRA-7946
URL: https://issues.apache.org/jira/browse/CASSANDRA-7946
Project: Cassandra
Issue Type: Bug
Components: Core
Environment: Cassandra 2.0.9
Reporter: DOAN DuyHai
Summary
The cluster has 3 nodes with Vnodes. We were adding a 4th one (in auto
bootstrap mode). The 4 node has stream sessions, receiving data from the others.
While the streaming was going on (it takes quite a while because there are
200Gb of data of worth), an existing table is dropped in the cluster and a new
one is created.
A few time after, we caught an NPE in the log file of the joining node (still
not finished joining):
The NPE is located here:
https://github.com/apache/cassandra/blob/cassandra-2.0/src/java/org/apache/cassandra/streaming/compress/CompressedStreamReader.java#L63
It can be a race condition where schema agreement has not reached the joining
node.
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