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https://issues.apache.org/jira/browse/NIFI-4969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397242#comment-16397242
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ASF GitHub Bot commented on NIFI-4969:
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GitHub user bbende opened a pull request:
https://github.com/apache/nifi/pull/2539
NIFI-4969 Fixing error when importing versioned flow with a processor…
… that uses event driven scheduling
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/bbende/nifi NIFI-4969
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/2539.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2539
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commit 51fad617ba18c41009a54194b2fc67c385f9e478
Author: Bryan Bende <bbende@...>
Date: 2018-03-13T16:42:33Z
NIFI-4969 Fixing error when importing versioned flow with a processor that
uses event driven scheduling
----
> Failed to import versioned flow when processor uses "Event Driven" scheduling
> -----------------------------------------------------------------------------
>
> Key: NIFI-4969
> URL: https://issues.apache.org/jira/browse/NIFI-4969
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Priority: Major
>
> Create a flow where a processor has scheduling strategy set to event-driven
> with concurrent tasks set to 0. Start version control on the flow, and them
> try to import a new process group using the flow from previous step.
> The error is because during import we set the concurrent tasks value before
> the scheduling strategy, and StandardProcessorNode line 630 throws an
> exception if the tasks is < 1 and strategy is not event driven.
> The exception also does not report any message so it is hard to figure out
> what the issue is.
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