[jira] [Created] (SOLR-8864) TestTestInjection needs to cleanup after itself -- causes TestCloudDeleteByQuery fail (may be symptom of larger problem?)

["Hoss Man (JIRA)" <ji...@apache.org>]

Hoss Man created SOLR-8864:
------------------------------

             Summary: TestTestInjection needs to cleanup after itself -- causes TestCloudDeleteByQuery fail (may be symptom of larger problem?)
                 Key: SOLR-8864
                 URL: https://issues.apache.org/jira/browse/SOLR-8864
             Project: Solr
          Issue Type: Bug
            Reporter: Hoss Man


https://builds.apache.org/job/Lucene-Solr-Tests-6.x/65/ recently reported a failure from TestCloudDeleteByQuery's init methods that made no sense to me -- looking at the logs showed an error from "TestInjection.parseValue" even though this test doesn't do anything to setup TestInjection...

{noformat}
   [junit4]   2> 527801 ERROR (qtp1490160324-5239) [n:127.0.0.1:48763_solr c:test_col s:shard1 r:core_node4 x:test_col_shard1_replica2] o.a.s.h.RequestHandlerBase java.lang.RuntimeException: No match, probably bad syntax: TRUE:0:
   [junit4]   2> 	at org.apache.solr.util.TestInjection.parseValue(TestInjection.java:236)
   [junit4]   2> 	at org.apache.solr.util.TestInjection.injectFailReplicaRequests(TestInjection.java:159)
   [junit4]   2> 	at org.apache.solr.update.processor.DistributedUpdateProcessor.setupRequest(DistributedUpdateProcessor.java:356)
{noformat}

...the immediate problem seems to be that TestTestInjection doesn't do anything to cleanup after itself (it never calls {{TestInjection.reset()}}, and doesn't subclass SolrTestCaseJ4) but i'm surprised this hasn't caused a lot more weird failures since this test was added back in december -- i wonder if this this "bad syntax" RuntimeException, when injected into the distributed updates, isn't causing a problem in most cases because of leader initiated recovery, but maybe something specific about the codepaths used in TestCloudDeleteByQuery (which is only a few weeks old) don't work.



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