Thread.run() has thrown a NullPointerException

We found this prefix in 2 webpages.
MapChildren (2)Typical messages (1)TraceDetailed Map
  1. java.lang.NullPointerException
    1.   at org.apache.cassandra.serializers.BooleanSerializer.deserialize()
    2.   at org.apache.cassandra.serializers.BooleanSerializer.deserialize()
    3.   at org.apache.cassandra.db.marshal.AbstractType.compose()
    4.   at org.apache.cassandra.cql3.UntypedResultSet$Row.getBoolean()
    5.   at org.apache.cassandra.auth.CassandraRoleManager$1.apply()
    6.   at org.apache.cassandra.auth.CassandraRoleManager$1.apply()
    7.   at org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable()
    8.   at org.apache.cassandra.auth.CassandraRoleManager.getRole()
    9.   at org.apache.cassandra.auth.CassandraRoleManager.canLogin()
    10.   at org.apache.cassandra.service.ClientState.login()
    11.   at org.apache.cassandra.transport.messages.AuthResponse.execute()
    12.   at org.apache.cassandra.transport.Message$Dispatcher.channelRead0()
    13.   at org.apache.cassandra.transport.Message$Dispatcher.channelRead0()
    14.   at io.netty.channel.SimpleChannelInboundHandler.channelRead()
    15.   at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead()
    16.   at io.netty.channel.AbstractChannelHandlerContext.access$600()
    17.   at io.netty.channel.AbstractChannelHandlerContext$7.run()
    18.   at java.util.concurrent.Executors$RunnableAdapter.call()
    19.   at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run()
    20.   at org.apache.cassandra.concurrent.SEPWorker.run()
    21.   at java.lang.Thread.run()
  1. During writing data into Cassandra 3.7.0 using Python driver 3.7 sometime loose Connection because of Server NullPointerException (Help please!)

    First:2 years ago
    Last:2 years ago
    Author:Rajesh Radhakrishnan
  2. #RE: During writing data into Cassandra 3.7.0 using Python driver 3.7 sometime loose Connection because of Server NullPointerException (Help please!)

    First:2 years ago
    Last:2 years ago
    Author:Rajesh Radhakrishnan
MessageNumber of crashes
null2
  1. java.lang.NullPointerException
    1.   at org.apache.cassandra.serializers.BooleanSerializer.deserialize()
    2.   at org.apache.cassandra.serializers.BooleanSerializer.deserialize()
    3.   at org.apache.cassandra.db.marshal.AbstractType.compose()
    4.   at org.apache.cassandra.cql3.UntypedResultSet$Row.getBoolean()
    5.   at org.apache.cassandra.auth.CassandraRoleManager$1.apply()
    6.   at org.apache.cassandra.auth.CassandraRoleManager$1.apply()
    7.   at org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable()
    8.   at org.apache.cassandra.auth.CassandraRoleManager.getRole()
    9.   at org.apache.cassandra.auth.CassandraRoleManager.canLogin()
    10.   at org.apache.cassandra.service.ClientState.login()
    11.   at org.apache.cassandra.transport.messages.AuthResponse.execute()
    12.   at org.apache.cassandra.transport.Message$Dispatcher.channelRead0()
    13.   at org.apache.cassandra.transport.Message$Dispatcher.channelRead0()
    14.   at io.netty.channel.SimpleChannelInboundHandler.channelRead()
    15.   at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead()
    16.   at io.netty.channel.AbstractChannelHandlerContext.access$600()
    17.   at io.netty.channel.AbstractChannelHandlerContext$7.run()
    18.   at java.util.concurrent.Executors$RunnableAdapter.call()
    19.   at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run()
    20.   at org.apache.cassandra.concurrent.SEPWorker.run()
    21.   at java.lang.Thread.run()