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] ================================================================================================================== -- This message was sent by Atlassian JIRA (v6.3.4#6332)