[jira] [Resolved] (SAMZA-1501) Validate operator IDs so that they don't contain special characters and spaces

["Prateek Maheshwari (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-1501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prateek Maheshwari resolved SAMZA-1501.
---------------------------------------
    Resolution: Fixed

> Validate operator IDs so that they don't contain special characters and spaces
> ------------------------------------------------------------------------------
>
>                 Key: SAMZA-1501
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1501
>             Project: Samza
>          Issue Type: Task
>            Reporter: Prateek Maheshwari
>            Assignee: Prateek Maheshwari
>
> Since user provided operator IDs are also used as changelog stream names, we should validate that they don't contain special characters and spaces.
> If Kafka is used for the changelog topic, it'll fail with an exception like the following:
> {code}
> 2017-11-14 11:45:14.408 [main] KafkaSystemAdmin [WARN] Failed to create topic wikipedia-application-1-window-Tumbling window of WikipediaStats: org.apache.kafka.common.errors.InvalidTopicException: topic name wikipedia-application-1-window-Tumbling window of WikipediaStats is illegal, contains a character other than ASCII alphanumerics, '.', '_' and '-'. Retrying.
> {code}



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