[jira] [Resolved] (SAMZA-1416) Better logging around the exception where class loading failed in initializing the SystemFactory for a input/output system

["Jake Maes (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-1416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jake Maes resolved SAMZA-1416.
------------------------------
       Resolution: Fixed
    Fix Version/s: 0.14.0

Issue resolved by pull request 296
[https://github.com/apache/samza/pull/296]

> Better logging around the exception where class loading failed in initializing the SystemFactory for a input/output system
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SAMZA-1416
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1416
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Yi Pan (Data Infrastructure)
>             Fix For: 0.14.0
>
>
> Currently, there is no log line showing the failure is on which system and which class name failed, when the config variable exists but is an empty string.
> {code}
>     val systemFactories = systemNames.map(systemName => {
>       val systemFactoryClassName = config
>         .getSystemFactory(systemName)
>         .getOrElse(throw new SamzaException("A stream uses system %s, which is missing from the configuration." format systemName))
>       (systemName, Util.getObj[SystemFactory](systemFactoryClassName))
>     }).toMap
> {code}



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