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From "Rajesh Radhakrishnan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-12700) During writing data into Cassandra 3.7.0 using Python driver 3.7 sometimes Connection get lost, because of Server NullPointerException
Date Fri, 23 Sep 2016 13:10:21 GMT
Rajesh Radhakrishnan created CASSANDRA-12700:
------------------------------------------------

             Summary: During writing data into Cassandra 3.7.0 using Python driver 3.7 sometimes
Connection get lost, because of Server NullPointerException
                 Key: CASSANDRA-12700
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12700
             Project: Cassandra
          Issue Type: Bug
          Components: Core
         Environment: Cassandra cluster with two nodes running C* version 3.7.0 and Python
Driver 3.7 using Python 2.7.11. 
OS: Red Hat Enterprise Linux 6.x x64, 
RAM :8GB
DISK :210GB
Cores: 2
Java 1.8.0_73 JRE
            Reporter: Rajesh Radhakrishnan
             Fix For: 3.7


In our C* cluster we are using the latest Cassandra 3.7.0 (datastax-ddc.3.70) with Python
driver 3.7. We are trying to insert 2 million row or more data into the database, but sometimes
we are getting "Null pointer Exception". I am quoting  the Exception here.
Any help would be highly appreciated.

We are using Python 2.7.11 and Java 1.8.0_73 in the Cassandra nodes and in the client its
Python 2.7.12.

==================================================================================================================
ERROR [SharedPool-Worker-6] 2016-09-23 09:42:55,002 Message.java:611 - Unexpected exception
during request; channel = [id: 0xc208da86, L:/IP1.IP2.IP3.IP4:9042 - R:/IP5.IP6.IP7.IP8:58418]

java.lang.NullPointerException: null

    at org.apache.cassandra.serializers.BooleanSerializer.deserialize(BooleanSerializer.java:33)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.serializers.BooleanSerializer.deserialize(BooleanSerializer.java:24)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.db.marshal.AbstractType.compose(AbstractType.java:113) ~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.cql3.UntypedResultSet$Row.getBoolean(UntypedResultSet.java:273)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager$1.apply(CassandraRoleManager.java:85)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager$1.apply(CassandraRoleManager.java:81)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable(CassandraRoleManager.java:503)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRoleManager.java:485)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager.canLogin(CassandraRoleManager.java:298)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.service.ClientState.login(ClientState.java:227) ~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.transport.messages.AuthResponse.execute(AuthResponse.java:79)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:507) [apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:401) [apache-cassandra-3.7.0.jar:3.7.0]

    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:292)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:32)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:283)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_73]

    at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-3.7.0.jar:3.7.0]

    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_73]

ERROR [SharedPool-Worker-1] 2016-09-23 09:42:56,238 Message.java:611 - Unexpected exception
during request; channel = [id: 0x8e2eae00, L:/IP1.IP2.IP3.IP4:9042 - R:/IP5.IP6.IP7.IP8:58421]

java.lang.NullPointerException: null

    at org.apache.cassandra.serializers.BooleanSerializer.deserialize(BooleanSerializer.java:33)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.serializers.BooleanSerializer.deserialize(BooleanSerializer.java:24)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.db.marshal.AbstractType.compose(AbstractType.java:113) ~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.cql3.UntypedResultSet$Row.getBoolean(UntypedResultSet.java:273)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager$1.apply(CassandraRoleManager.java:85)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager$1.apply(CassandraRoleManager.java:81)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable(CassandraRoleManager.java:503)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRoleManager.java:485)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.auth.CassandraRoleManager.canLogin(CassandraRoleManager.java:298)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.service.ClientState.login(ClientState.java:227) ~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.transport.messages.AuthResponse.execute(AuthResponse.java:79)
~[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:507) [apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:401) [apache-cassandra-3.7.0.jar:3.7.0]

    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:292)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:32)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:283)
[netty-all-4.0.36.Final.jar:4.0.36.Final]

    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_73]

    at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
[apache-cassandra-3.7.0.jar:3.7.0]

    at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-3.7.0.jar:3.7.0]

    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_73]
==================================================================================================================



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