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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/56417/
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(Updated Feb. 8, 2017, 10:28 p.m.)


Review request for atlas and David Kantor.


Changes
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Addressed review comments.

If there are no other review comments, I plan to commit these changes at EOD 
tomorrow.


Bugs: ATLAS-1535
    https://issues.apache.org/jira/browse/ATLAS-1535


Repository: atlas


Description (updated)
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When debugging some of the test failures in webapp, I found that many are 
occurring when the http request that runs in the context of a stale Titan 
transaction. There is logic in BaseService to rollback the transaction 
associated with a thread whenever a new request comes in. However, this logic 
is not used in all places.  

This changes add logic to fix this.  I've added a new filter to consistently 
clean up stale transactions when processing http requests.  I removed the old 
logic, which was only used by two service classes.  The new filter is applied 
for every http request that comes in, so the transaction used during request 
processing will never be stale now.


Diffs
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webapp/src/main/java/org/apache/atlas/web/filters/StaleTransactionCleanupFilter.java
 PRE-CREATION 
  webapp/src/main/java/org/apache/atlas/web/listeners/GuiceServletConfig.java 
d0437fc54087e6803ead83af59b85e9f6df333ad 
  webapp/src/main/java/org/apache/atlas/web/resources/BaseService.java 
fb77b11e04c875a3d443dfb49be50cb818bed441 
  webapp/src/test/java/org/apache/atlas/web/resources/TaxonomyServiceTest.java 
e1734e465ad553d95735b466f4dfe0fa8ad061b8 

Diff: https://reviews.apache.org/r/56417/diff/


Testing
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Ran webapp tests.  Now, we're only left with the following failures:

QuickStartIT.runQuickStart:44 » AtlasService Metadata service API 
org.apache.a...
QuickStartV2IT.runQuickStart:47 » AtlasService Metadata service API 
org.apache...
NotificationHookConsumerIT.testUpdatePartialUpdatingQualifiedName:170 
expected:<0> but was:<1>

Previously, there were a number of other tests that were failing sporatically 
with a NullPointerException coming from Titan.  These changes fix that.


Thanks,

Jeff Hagelberg

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