feroz shaik created CASSANDRA-15263:
---------------------------------------

             Summary: LegacyLayout RangeTombstoneList throws 
java.lang.NullPointerException: null
                 Key: CASSANDRA-15263
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15263
             Project: Cassandra
          Issue Type: Bug
          Components: Cluster/Schema
            Reporter: feroz shaik


We have also hit a problem today while upgrading from 2.1.16 to 3.11.4.

we encountered this as soon as the first node started up with 3.11.4 

The full error stack is as below:

WARN  [ReadStage-4] 2019-08-06 02:57:57,408 
AbstractLocalAwareExecutorService.java:167 - Uncaught exception on thread 
Thread[ReadStage-4,5,main]: {}

java.lang.NullPointerException: null

        at 
org.apache.cassandra.db.LegacyLayout$LegacyRangeTombstoneList.updateDigest(LegacyLayout.java:2433)
 ~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.LegacyLayout$LegacyUnfilteredPartition.digest(LegacyLayout.java:1479)
 ~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.rows.UnfilteredRowIterators.digest(UnfilteredRowIterators.java:182)
 ~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators.digest(UnfilteredPartitionIterators.java:263)
 ~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.ReadResponse.makeDigest(ReadResponse.java:140) 
~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.ReadResponse.createDigestResponse(ReadResponse.java:87) 
~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.ReadCommand.createResponse(ReadCommand.java:352) 
~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.db.ReadCommandVerbHandler.doVerb(ReadCommandVerbHandler.java:50)
 ~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:66) 
~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
~[na:1.8.0_131]

        at 
org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:162)
 ~[apache-cassandra-3.11.4.jar:3.11.4]

        at 
org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:134)
 [apache-cassandra-3.11.4.jar:3.11.4]

        at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:114) 
[apache-cassandra-3.11.4.jar:3.11.4]

        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131]

 

 

The below errors continued in the log file as long as the process was up.

ERROR [Native-Transport-Requests-12] 2019-08-06 03:00:47,135 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-8] 2019-08-06 03:00:48,778 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-13] 2019-08-06 03:00:57,454 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-11] 2019-08-06 03:00:57,482 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-2] 2019-08-06 03:00:58,543 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-8] 2019-08-06 03:00:58,899 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-17] 2019-08-06 03:00:59,074 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-12] 2019-08-06 03:01:08,123 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-17] 2019-08-06 03:01:19,055 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-4] 2019-08-06 03:01:20,880 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
WARN [ReadStage-13] 2019-08-06 03:01:29,983 
AbstractLocalAwareExecutorService.java:167 - Uncaught exception on thread 
Thread[ReadStage-13,5,main]: {}
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-2] 2019-08-06 03:01:31,119 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-6] 2019-08-06 03:01:46,262 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-15] 2019-08-06 03:01:46,520 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
WARN [ReadStage-2] 2019-08-06 03:01:48,842 
AbstractLocalAwareExecutorService.java:167 - Uncaught exception on thread 
Thread[ReadStage-2,5,main]: {}
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-1] 2019-08-06 03:01:50,351 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-5] 2019-08-06 03:02:06,061 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
WARN [ReadStage-8] 2019-08-06 03:02:07,616 
AbstractLocalAwareExecutorService.java:167 - Uncaught exception on thread 
Thread[ReadStage-8,5,main]: {}
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-17] 2019-08-06 03:02:08,384 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null
ERROR [Native-Transport-Requests-5] 2019-08-06 03:02:10,244 
ErrorMessage.java:384 - Unexpected exception during request
java.lang.NullPointerException: null

 

The nodetool version says 3.11.4 and the no of connections on native por t- 
9042 was similar to other nodes. The exceptions were scary that we had to call 
off the change. Any help and insights to this problem from the community is 
appreciated.



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