i was trying to run cql 2 query
cqlsh:stats> UPDATE Minutewise_Product_Stats SET
'2LX:OQ:XYZ.com:664230591:1:totalView'='2LX:SOQ:XYZ.com:664230591:1:totalView'+1,
'2LX:OQ:XYZ.com:664230591:1:keywordClick'='2LX:SOQ:xyz.com:664230591:1:keywordClick'+1
WHERE KEY='2017:4' ;
WHEN I GOT this error
ERROR 20:38:46,220 Error occurred during processing of message.
java.lang.NullPointerException
at
org.apache.cassandra.cql.UpdateStatement.prepareRowMutations(UpdateStatement.java:151)
at
org.apache.cassandra.cql.UpdateStatement.prepareRowMutations(UpdateStatement.java:128)
at
org.apache.cassandra.cql.QueryProcessor.batchUpdate(QueryProcessor.java:245)
at
org.apache.cassandra.cql.QueryProcessor.processStatement(QueryProcessor.java:563)
at
org.apache.cassandra.cql.QueryProcessor.process(QueryProcessor.java:817)
at
org.apache.cassandra.thrift.CassandraServer.execute_cql_query(CassandraServer.java:1675)
at
org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3721)
at
org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:1)
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32)
at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34)
at
org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:184)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
attached is the patch file to fix this bug
diff --git a/src/java/org/apache/cassandra/cql/UpdateStatement.java b/src/java/org/apache/cassandra/cql/UpdateStatement.java
index 3a47712..0caa61b 100644
--- a/src/java/org/apache/cassandra/cql/UpdateStatement.java
+++ b/src/java/org/apache/cassandra/cql/UpdateStatement.java
@@ -146,8 +146,11 @@ public class UpdateStatement extends AbstractModification
}
CFMetaData metadata = validateColumnFamily(keyspace, columnFamily, hasCommutativeOperation);
- if (hasCommutativeOperation)
- cLevel.validateCounterForWrite(metadata);
+
+ if (hasCommutativeOperation){
+ ConsistencyLevel currentCLevel = getConsistencyLevel();
+ currentCLevel.validateCounterForWrite(metadata);
+ }
QueryProcessor.validateKeyAlias(metadata, keyName);
