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https://issues.apache.org/jira/browse/HADOOP-12318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694030#comment-14694030
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Larry McCay commented on HADOOP-12318:
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That seems reasonable to me.
> Expose underlying LDAP exceptions in SaslPlainServer
> ----------------------------------------------------
>
> Key: HADOOP-12318
> URL: https://issues.apache.org/jira/browse/HADOOP-12318
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Mike Yoder
> Priority: Minor
>
> In the code of class
> [SaslPlainServer|http://github.mtv.cloudera.com/CDH/hadoop/blob/cdh5-2.6.0/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SaslPlainServer.java#L108],
> the underlying exception is not included in the {{SaslException}}, which
> leads to below error message in HiveServer2:
> {noformat}
> 2015-07-22 11:50:28,433 DEBUG
> org.apache.thrift.transport.TSaslServerTransport: failed to open server
> transport
> org.apache.thrift.transport.TTransportException: PLAIN auth failed: Error
> validating LDAP user
> at
> org.apache.thrift.transport.TSaslTransport.sendAndThrowMessage(TSaslTransport.java:232)
> at
> org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:316)
> at
> org.apache.thrift.transport.TSaslServerTransport.open(TSaslServerTransport.java:41)
> at
> org.apache.thrift.transport.TSaslServerTransport$Factory.getTransport(TSaslServerTransport.java:216)
> at
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:268)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Make COEs very hard to understand what the real error is.
> Can we change that line as:
> {code}
> } catch (Exception e) {
> throw new SaslException("PLAIN auth failed: " + e.getMessage(), e);
> }
> {code}
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