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https://issues.apache.org/jira/browse/NIFI-748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15004553#comment-15004553
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ASF GitHub Bot commented on NIFI-748:
-------------------------------------
GitHub user olegz opened a pull request:
https://github.com/apache/nifi/pull/123
NIFI-748 Fixed logic around handling partial query results from prove…
…nance repository
- Ensured that failures derived form correlating Document to its actual
provenance event do fail the entire query and produce partial results with
warning messages
- Refactored DocsReader.read() operation.
- Added test to validate two conditions where the such failures could occur
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/olegz/nifi NIFI-748
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/123.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 #123
----
commit a4d93c62c88f594ef0cd3739a0536769f1ab9b26
Author: Oleg Zhurakousky <o...@suitcase.io>
Date: 2015-11-13T19:08:39Z
NIFI-748 Fixed logic around handling partial query results from provenance
repository
- Ensured that failures derived form correlating Document to its actual
provenance event do fail the entire query and produce partial results with
warning messages
- Refactored DocsReader.read() operation.
- Added test to validate two conditions where the such failures could occur
----
> If unable to find a specific Provenance event, should not fail entire search
> ----------------------------------------------------------------------------
>
> Key: NIFI-748
> URL: https://issues.apache.org/jira/browse/NIFI-748
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Oleg Zhurakousky
> Fix For: 0.4.0
>
>
> We have a case where running with the prov being written to a disk that can
> be ejected. Disk was accidentally ejected while running. Provenance Event
> appears to have been indexed but event is not in the repo.
> Specifically, we are reaching Line 104 of DocsReader:
> {code}
> throw new IOException("Failed to find Provenance Event " + d);
> {code}
> As a result, searching for a specific Component ID is returning an error, so
> we can't search on that Component ID at all (unless we shrink the time range
> to a time when that didn't occur).
> We should generate a warning, and notify the user that X number of events
> could not be found and show what we can, rather than erroring out entirely.
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