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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-4444) NullPointerException when password not given to TraceTableStats
Date Thu, 01 Sep 2016 21:16:20 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-4444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15456642#comment-15456642
] 

Sean Busbey commented on ACCUMULO-4444:
---------------------------------------

Same thing with the TraceDump tool:

{code}
$ accumulo org.apache.accumulo.tracer.TraceDump -r --instance accumulo -u foobar
2016-09-01 14:11:03,994 [conf.ConfigSanityCheck] WARN : Use of instance.dfs.uri and instance.dfs.dir
are deprecated. Consider using instance.volumes instead.
2016-09-01 14:11:04,160 [client.ClientConfiguration] WARN : Found no client.conf in default
paths. Using default client configuration values.
2016-09-01 14:11:04,163 [client.ClientConfiguration] WARN : Found no client.conf in default
paths. Using default client configuration values.
2016-09-01 14:11:04,329 [start.Main] ERROR: Thread 'org.apache.accumulo.tracer.TraceDump'
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.TraceDump.listSpans(TraceDump.java:91)
        at org.apache.accumulo.tracer.TraceDump.main(TraceDump.java:68)
        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}

> 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
>         Environment: 1.7.2 cluster
>            Reporter: Sean Busbey
>            Priority: Critical
>
> 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}



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