[jira] [Created] (HADOOP-12785) [Handling exceptions] LdapGroupsMapping.getGroups() do not provide information about root cause

["Mukhadin Buzdov (JIRA)" <ji...@apache.org>]

Mukhadin Buzdov created HADOOP-12785:
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             Summary: [Handling exceptions] LdapGroupsMapping.getGroups() do not provide information about root cause
                 Key: HADOOP-12785
                 URL: https://issues.apache.org/jira/browse/HADOOP-12785
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 2.7.1
         Environment: _Operating system_: CentOS Linux 7 {color:gray}(7.1.1503){color}
_Platform_: HDP 2.3.4.0, Ambari 2.1.2
            Reporter: Mukhadin Buzdov
            Priority: Minor


_CommunicationException_ and _NamingException_ are not logged in _LdapGroupsMapping.getGroups()_.

{code:title=LdapGroupsMapping.java|borderStyle=solid}
  public synchronized List<String> getGroups(String user) throws IOException {
    List<String> emptyResults = new ArrayList<String>();
    // ...
    try {
      return doGetGroups(user);
    } catch (CommunicationException e) {
      LOG.warn("Connection is closed, will try to reconnect");
    } catch (NamingException e) {
      LOG.warn("Exception trying to get groups for user " + user + ": " + e.getMessage());
      return emptyResults;
    }
    //...
    return emptyResults;
  }
{code}

{color:red}It is not possible to understand _LDAP_ level failures.{color}



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