Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Apache's JIRA Issue Tracker by Kai Wang, 1 year ago
java.lang.NullPointerException: null	at org.apache.cassandra.auth.PasswordAuthenticator.doAuthenticate(PasswordAuthenticator.java:143)	at org.apache.cassandra.auth.PasswordAuthenticator.authenticate(PasswordAuthenticator.java:85)	at org.apache.cassandra.auth.PasswordAuthenticator.access$100(PasswordAuthenticator.java:53)	at org.apache.cassandra.auth.PasswordAuthenticator$PlainTextSaslAuthenticator.getAuthenticatedUser(PasswordAuthenticator.java:181)	at org.apache.cassandra.transport.messages.AuthResponse.execute(AuthResponse.java:78)	at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:507)	at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:401)	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)	at io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:32)	at io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:324)	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)	at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)	at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)	at java.lang.Thread.run(Unknown Source)