[ 
https://issues.apache.org/jira/browse/NIFI-4110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16059956#comment-16059956
 ] 

ASF GitHub Bot commented on NIFI-4110:
--------------------------------------

GitHub user alopresto opened a pull request:

    https://github.com/apache/nifi/pull/1935

    NIFI-4110 Added Thread.sleep() to ensure provenance event indexing oc…

    …curs before retrieval and unit test passes.
    
    Thank you for submitting a contribution to Apache NiFi.
    
    In order to streamline the review of the contribution we ask you
    to ensure the following steps have been taken:
    
    ### For all changes:
    - [ ] Is there a JIRA ticket associated with this PR? Is it referenced 
         in the commit message?
    
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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/alopresto/nifi NIFI-4110

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/nifi/pull/1935.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 #1935
    
----
commit cce2bf0a10cbd6f6f65515bbfe832e0172f234e9
Author: Andy LoPresto <[email protected]>
Date:   2017-06-22T20:19:06Z

    NIFI-4110 Added Thread.sleep() to ensure provenance event indexing occurs 
before retrieval and unit test passes.

----


> Encrypted provenance repository test can fail due to timing
> -----------------------------------------------------------
>
>                 Key: NIFI-4110
>                 URL: https://issues.apache.org/jira/browse/NIFI-4110
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Tools and Build
>    Affects Versions: 1.3.0
>            Reporter: Andy LoPresto
>            Assignee: Andy LoPresto
>              Labels: provenance, test, timing
>
> There is an occasional failure in the unit tests for the 
> {{EncryptedWriteAheadProvenanceRepository}} where the events retrieved (9) 
> are less than the expected number (10) because it has not yet indexed the 
> last event. Adding a {{Thread.sleep(1000)}} seems to resolve this 
> consistently. 
> {code}
> -------------------------------------------------------
>  T E S T S
> -------------------------------------------------------
> Running org.apache.nifi.provenance.EncryptedSchemaRecordReaderWriterTest
> Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.473 sec - 
> in org.apache.nifi.provenance.EncryptedSchemaRecordReaderWriterTest
> Running org.apache.nifi.provenance.EncryptedWriteAheadProvenanceRepositoryTest
> Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.161 sec <<< 
> FAILURE! - in 
> org.apache.nifi.provenance.EncryptedWriteAheadProvenanceRepositoryTest
> testWriteAheadProvenanceRepositoryShouldRegisterAndRetrieveEvents(org.apache.nifi.provenance.EncryptedWriteAheadProvenanceRepositoryTest)
>   Time elapsed: 0.033 sec  <<< FAILURE!
> org.codehaus.groovy.runtime.powerassert.PowerAssertionError: assert 
> recoveredRecords.size() == RECORD_COUNT
>        |                |      |  |
>        |                9      |  10
>        |                       false
>        [ProvenanceEventRecord [eventId=0, eventType=RECEIVE, eventTime=Thu 
> Jun 22 11:09:07 EDT 2017, uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, 
> fileSize=0, componentId=1234, transitUri=nifi://unit-test, 
> sourceSystemFlowFileIdentifier=null, parentUuids=[], 
> alternateIdentifierUri=null], ProvenanceEventRecord [eventId=1, 
> eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=2, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=3, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=4, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=5, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=6, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=7, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null], ProvenanceEventRecord 
> [eventId=9, eventType=RECEIVE, eventTime=Thu Jun 22 11:09:07 EDT 2017, 
> uuid=2c2f9e5e-ebda-4ac1-a954-4b1d0d9ddd1f, fileSize=0, componentId=1234, 
> transitUri=nifi://unit-test, sourceSystemFlowFileIdentifier=null, 
> parentUuids=[], alternateIdentifierUri=null]]
>       at 
> org.codehaus.groovy.runtime.InvokerHelper.assertFailed(InvokerHelper.java:402)
>       at 
> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.assertFailed(ScriptBytecodeAdapter.java:650)
>       at 
> org.apache.nifi.provenance.EncryptedWriteAheadProvenanceRepositoryTest.testWriteAheadProvenanceRepositoryShouldRegisterAndRetrieveEvents(EncryptedWriteAheadProvenanceRepositoryTest.groovy:237)
> {code}



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