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https://issues.apache.org/jira/browse/AMBARI-14257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated AMBARI-14257:
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Description:
Problem
Storm metrics do not work after upgrading Ambari to 2.1.2. ClassNotFound
exception seen in the logs when storm metrics reporter class is accessed.
Bug
Storm lib directory is usually found in /usr/hdp/current/storm-nimbus/lib. In
the code we try to delete the link from /usr/lib/storm/lib which is not
present. Hence, we never update the symlink in the actual location thus causing
a stale symlink.
Fix
Change the symlink deletion logic to look at the correct location. Also fix a
bug in resource_management.system module where the action='delete' for Links
must call the os.path.lexists rather than os.path.exists to return true for
broken symlinks
was:
Problem
Storm metrics do not work after upgrading from versions < 2.1.1 to 2.1.2.
ClassNotFound exception seen in the logs when storm metrics reporter class is
accessed.
Bug
Storm lib directory is usually found in /usr/hdp/current/storm-nimbus/lib. In
the code we try to delete the link from /usr/lib/storm/lib which is not
present. Hence, we never update the symlink in the actual location thus causing
a stale symlink.
Fix
Change the symlink deletion logic to look at the correct location. Also fix a
bug in resource_management.system module where the action='delete' for Links
must call the os.path.lexists rather than os.path.exists to return true for
broken symlinks
> Storm metrics do not work after upgrading Ambari to 2.1.2.
> ----------------------------------------------------------
>
> Key: AMBARI-14257
> URL: https://issues.apache.org/jira/browse/AMBARI-14257
> Project: Ambari
> Issue Type: Bug
> Components: ambari-metrics
> Affects Versions: 2.1.2
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Fix For: 2.2.0
>
>
> Problem
> Storm metrics do not work after upgrading Ambari to 2.1.2. ClassNotFound
> exception seen in the logs when storm metrics reporter class is accessed.
> Bug
> Storm lib directory is usually found in /usr/hdp/current/storm-nimbus/lib. In
> the code we try to delete the link from /usr/lib/storm/lib which is not
> present. Hence, we never update the symlink in the actual location thus
> causing a stale symlink.
> Fix
> Change the symlink deletion logic to look at the correct location. Also fix a
> bug in resource_management.system module where the action='delete' for Links
> must call the os.path.lexists rather than os.path.exists to return true for
> broken symlinks
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