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Josh Elser resolved ACCUMULO-4444. ---------------------------------- Resolution: Fixed Merged. Thanks as always, Mike! Let me break out some follow-on tasks. > NullPointerException when password not given to TraceTableStats > --------------------------------------------------------------- > > Key: ACCUMULO-4444 > URL: https://issues.apache.org/jira/browse/ACCUMULO-4444 > Project: Accumulo > Issue Type: Bug > Components: trace > Affects Versions: 1.7.2, 1.8.0 > Environment: 1.7.2 cluster > Reporter: Sean Busbey > Assignee: Michael Miller > Priority: Critical > Fix For: 1.7.3, 1.8.1, 2.0.0 > > Time Spent: 1h > Remaining Estimate: 0h > > I'm trying to follow the [admin guide on > tracing|https://accumulo.apache.org/1.7/accumulo_user_manual#_viewing_collected_traces], > specifically with the {{TraceTableStats}} command. > In attempting to get prompted for the password, I provided a username and no > password, which resulted in a NullPointerException. > {code} > $ accumulo org.apache.accumulo.tracer.TraceTableStats -i accumulo -u foobar > 2016-09-01 11:05:47,420 [conf.ConfigSanityCheck] WARN : Use of > instance.dfs.uri and instance.dfs.dir are deprecated. Consider using > instance.volumes instead. > 2016-09-01 11:05:47,564 [client.ClientConfiguration] WARN : Found no > client.conf in default paths. Using default client configuration values. > 2016-09-01 11:05:47,567 [client.ClientConfiguration] WARN : Found no > client.conf in default paths. Using default client configuration values. > 2016-09-01 11:05:47,720 [start.Main] ERROR: Thread > 'org.apache.accumulo.tracer.TraceTableStats' died. > java.lang.NullPointerException > at > org.apache.accumulo.core.client.impl.ConnectorImpl.<init>(ConnectorImpl.java:59) > at > org.apache.accumulo.core.client.ZooKeeperInstance.getConnector(ZooKeeperInstance.java:248) > at > org.apache.accumulo.core.cli.ClientOpts.getConnector(ClientOpts.java:315) > at > org.apache.accumulo.tracer.TraceTableStats.count(TraceTableStats.java:75) > at > org.apache.accumulo.tracer.TraceTableStats.main(TraceTableStats.java:71) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at org.apache.accumulo.start.Main$2.run(Main.java:157) > at java.lang.Thread.run(Thread.java:745) > {code} > The impacted line is checking to see if the credential has expired, without > checking to see if there is a credential in the first place, I think? > {code} > 57 public ConnectorImpl(final ClientContext context) throws > AccumuloException, AccumuloSecurityException { > 58 checkArgument(context != null, "context is null"); > 59 if (context.getCredentials().getToken().isDestroyed()) > 60 throw new > AccumuloSecurityException(context.getCredentials().getPrincipal(), > SecurityErrorCode.TOKEN_EXPIRED); > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)