[jira] [Created] (FLUME-2976) Exception when JMS source tries to connect to a Weblogic server without authentication

["Denes Arvay (JIRA)" <ji...@apache.org>]

Denes Arvay created FLUME-2976:
----------------------------------

             Summary: Exception when JMS source tries to connect to a Weblogic server without authentication
                 Key: FLUME-2976
                 URL: https://issues.apache.org/jira/browse/FLUME-2976
             Project: Flume
          Issue Type: Bug
          Components: Sinks+Sources
    Affects Versions: v1.6.0
            Reporter: Denes Arvay


If no {{userName}} and {{passwordFile}} is set for the JMS source it sets the password to {{Optional("")}} (see: https://github.com/apache/flume/blob/trunk/flume-ng-sources/flume-jms-source/src/main/java/org/apache/flume/source/jms/JMSSource.java#L127)
This leads to an exception in the weblogic jndi context implementation when trying to connect to a weblogic jms server.

{noformat}
java.lang.IllegalArgumentException: The 'java.naming.security.principal' property has not been specified
	at weblogic.jndi.Environment.getSecurityUser(Environment.java:562)
	at weblogic.jndi.WLInitialContextFactoryDelegate.pushSubject(WLInitialContextFactoryDelegate.java:665)
	at weblogic.jndi.WLInitialContextFactoryDelegate.newContext(WLInitialContextFactoryDelegate.java:485)
	at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDelegate.java:373)
	at weblogic.jndi.Environment.getContext(Environment.java:319)
	at weblogic.jndi.Environment.getContext(Environment.java:288)
	at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:117)
	at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
	at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:307)
	at javax.naming.InitialContext.init(InitialContext.java:242)
	at javax.naming.InitialContext.<init>(InitialContext.java:216)
	at org.apache.flume.source.jms.InitialContextFactory.create(InitialContextFactory.java:28)
	at org.apache.flume.source.jms.JMSSource.doConfigure(JMSSource.java:223)
{noformat}

Changing the above mentioned line to {{Optional.absent()}} fixes the issue.

[~brocknoland]: Is there any specific reason for setting the password to {{Optional("")}} when there is no {{passwordFile}} set?



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