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https://issues.apache.org/jira/browse/FLUME-3468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikita Pande reassigned FLUME-3468:
-----------------------------------
Assignee: Nikita Pande
> jms source cannot create connection factory with username if passwordFile
> property is absent
> --------------------------------------------------------------------------------------------
>
> Key: FLUME-3468
> URL: https://issues.apache.org/jira/browse/FLUME-3468
> Project: Flume
> Issue Type: Improvement
> Affects Versions: notrack
> Environment: RHEL 7
> Hadoop3
> Flume 1.11.0
> Reporter: Nikita Pande
> Assignee: Nikita Pande
> Priority: Major
> Fix For: notrack
>
>
> Currently, adding passwordFile properties for the JMS Source in the Flume
> agent config file becomes mandatory in flume config to pass username in
> connection factory.
> JQueue manager in IBM MQ can just require username and disable password
> checking
> ( Reference :
> https://www.ibm.com/docs/en/ibm-mq/9.1?topic=authentication-connection-configuration)
>
> Following are the error messages when trying to configure Flume with IBM MQ
> 1. If_ passwordFile property contains null - due to
> com.ibm.msg.client.jms.DetailedJMSException: JMSCC0005: The specified value
> '<null>' is not allowed for 'XMSC_WMQ_CHANNEL'. This is due to setting null
> in
> https://github.com/apache/flume/blob/trunk/flume-ng-sources/flume-jms-source/src/main/java/org/apache/flume/source/jms/JMSSource.java#L173
>
> 2. _If passwordFile property doesn't exist _- get error
> Caused by: com.ibm.mq.MQException: JMSCMQ0001: WebSphere MQ call failed with
> compcode '2' ('MQCC_FAILED') reason '2035' ('MQRC_NOT_AUTHORIZED').
> 3. If _passwordFile property contains a "" string_/any other string, then it
> is able to connect to MQ server successfully. Since JMS source is configured
> to ignore password passed.
> Also going over JIRA https://issues.apache.org/jira/browse/FLUME-2976
> suggests that when no user name and p/w is passed, null should be passed
> instead of empty string.
> I think,
> whenever username is passed default password should be set to Optional("")
> and a warn log can be enabled saying that default password is set since
> passwordFile property is not set.
> 1. UN & P/W property set - pass both as set
> 2. UN set - set p/w as "" and warn log
> 3. UN & P/W not set - no change, same behaviour as of now
> password = Optional.absent();
> causes java.lang.IllegalStateException: Optional.get() cannot be called on an
> absent value
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