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https://issues.apache.org/jira/browse/STORM-2986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ethan Li reassigned STORM-2986:
-------------------------------
Assignee: Ethan Li
> NPE from LogCleaner
> -------------------
>
> Key: STORM-2986
> URL: https://issues.apache.org/jira/browse/STORM-2986
> Project: Apache Storm
> Issue Type: Bug
> Reporter: Ethan Li
> Assignee: Ethan Li
> Priority: Major
>
> So I set
> {code:java}
> logviewer.cleanup.interval.secs: 10
> {code}
> to start LogCleaner thread. But from logviewer.log:
>
> {code:java}
> 2018-03-05 21:31:17.629 o.a.s.v.ConfigValidation main [WARN]
> storm.messaging.netty.max_retries is a deprecated config please see class
> org.apache.storm.Config.STORM_MESSAGING_NETTY_MAX_RETRIES for more
> information.
> 2018-03-05 21:31:17.650 o.a.s.d.l.LogviewerServer main [INFO] Starting
> Logviewer HTTP servers...
> 2018-03-05 21:31:17.684 o.e.j.u.log main [INFO] Logging initialized @2455ms
> to org.eclipse.jetty.util.log.Slf4jLog
> 2018-03-05 21:31:17.877 o.a.s.d.l.u.LogCleaner main [INFO] configured max
> total size of worker logs: 2 MB, max total size of worker logs per directory:
> 1 MB
> 2018-03-05 21:31:18.017 o.a.s.d.m.MetricsUtils main [INFO] Using statistics
> reporter
> plugin:org.apache.storm.daemon.metrics.reporters.JmxPreparableReporter
> 2018-03-05 21:31:18.022 o.a.s.d.l.u.LogCleaner logviewer-cleanup [ERROR]
> Exception while cleaning up old log.
> java.lang.NullPointerException: null
> at java.util.Arrays.stream(Arrays.java:5004) ~[?:1.8.0_131]
> at
> org.apache.storm.daemon.logviewer.utils.LogCleaner.selectDirsForCleanup(LogCleaner.java:217)
> ~[storm-webapp-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> at
> org.apache.storm.daemon.logviewer.utils.LogCleaner.run(LogCleaner.java:135)
> ~[storm-webapp-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> at org.apache.storm.StormTimer$1.run(StormTimer.java:207)
> ~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> at org.apache.storm.StormTimer$StormTimerTask.run(StormTimer.java:81)
> ~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> 2018-03-05 21:31:18.024 o.a.s.d.m.r.JmxPreparableReporter main [INFO]
> Preparing...
> 2018-03-05 21:31:18.031 o.a.s.m.StormMetricsRegistry main [INFO] Started
> statistics report plugin...
> 2018-03-05 21:31:18.031 o.a.s.d.l.LogviewerServer main [INFO] Starting
> Logviewer...
> 2018-03-05 21:31:18.041 o.e.j.s.Server main [INFO] jetty-9.4.7.v20170914
> 2018-03-05 21:31:18.215 o.a.h.s.a.s.KerberosAuthenticationHandler main [INFO]
> Login using keytab /keytabs/HTTP.keytab, for principal
> HTTP/persistmist.corp.ne1.yahoo.com
> 2018-03-05 21:31:20.832 o.h.v.i.u.Version main [INFO] HV000001: Hibernate
> Validator 5.3.4.Final
> 2018-03-05 21:31:21.215 o.e.j.s.h.ContextHandler main [INFO] Started
> o.e.j.s.ServletContextHandler@65bb9029{/,file:///tmp/apache-storm-2.0.0-SNAPSHOT/public/,AVAILABLE}
> 2018-03-05 21:31:21.287 o.e.j.s.AbstractConnector main [INFO] Started
> ServerConnector@30506c0d{HTTP/1.1,[http/1.1]}{0.0.0.0:8000}
> 2018-03-05 21:31:21.288 o.e.j.s.Server main [INFO] Started @6060ms
> 2018-03-05 21:31:28.038 o.a.s.d.l.u.LogCleaner logviewer-cleanup [ERROR]
> Exception while cleaning up old log.
> java.lang.NullPointerException: null
> at java.util.Arrays.stream(Arrays.java:5004) ~[?:1.8.0_131]
> at
> org.apache.storm.daemon.logviewer.utils.LogCleaner.selectDirsForCleanup(LogCleaner.java:217)
> ~[storm-webapp-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> at
> org.apache.storm.daemon.logviewer.utils.LogCleaner.run(LogCleaner.java:135)
> ~[storm-webapp-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> at org.apache.storm.StormTimer$1.run(StormTimer.java:207)
> ~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
> at org.apache.storm.StormTimer$StormTimerTask.run(StormTimer.java:81)
> ~[storm-client-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]{code}
>
> It's because there is no workers-artifacts directory at the very beginning
> before submitting any topologies. Users can fix it by manually creating the
> directory. But it's better to have it solve fixed.
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