[jira] [Updated] (NIFI-3671) GenerateFlowFile throws NPE in FileSystemRepository

["Joseph Witt (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph Witt updated NIFI-3671:
------------------------------
    Fix Version/s: 1.2.0

> GenerateFlowFile throws NPE in FileSystemRepository
> ---------------------------------------------------
>
>                 Key: NIFI-3671
>                 URL: https://issues.apache.org/jira/browse/NIFI-3671
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.2.0
>         Environment: Ubuntu Linux 14.04.5 LTS, x86, NiFi 1.2.0-SNAPSHOT, Java 1.8.0_102
>            Reporter: Joe Skora
>             Fix For: 1.2.0
>
>         Attachments: genff-npe.log
>
>
> While volume testing, {{GenerateFlowFile}} is randomly throwing {{NullPointerException}} during startup.  The NPE occurs in {{FileSystemRepository.write()}} called from {{BufferedOutputStream.flushBuffer()}} and results in an Administrative Yield.
> When it happens, the bulletin shows up on the processors immediately after starting them.  Starting them a second time will often succeed, but sometimes it takes a multiple retries.  When the {{GenerateFlowFile}} processors are started for these tests, the graph is typically empty.
> Log entries for an example Thread are attached.  This looks similar to [NIFI-2551|https://issues.apache.org/jira/browse/NIFI-2551], but that is marked as being fixed in 1.0.0.



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