[GitHub] [nifi] ijokarumawak commented on issue #4072: NIFI-7182

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ijokarumawak commented on issue #4072: NIFI-7182
URL: https://github.com/apache/nifi/pull/4072#issuecomment-614473511
 
 
   @MikeThomsen @joewitt 
   
   The test is using Solr range facetting which depends on system date. Specifically the test uses `facet.range.start=NOW/MINUTE` and `facet.range.end=NOW/MINUTE+1MINUTE`.
   
   That range condition can be fail if the minutes when the processor executes the query, and the date field value are different. That can be happen by a long GC pause or in an extremely bad timing.
   For example, if `createSolrClient()` method creates the doc at `10:23:59.999`, and the query is executed at `10:24:001`, then the facet range would be `10:24 to 10:25` which does not query documents created at `10:23`.
   
   I was able to reproduce the assertion error by addint `Thread.sleep(60_000)` at the `testAllFacet Categories` method between it creates `solorClient` and `runner.run`.
   
   Since the test does not have to filter documents by date range, we can make the range wider (cannot remove the range as Solr requires it). I suggest changing the facet range as follows:
   ```
           runner.setProperty("facet.range.start", "NOW/MINUTE-3MINUTE");
           runner.setProperty("facet.range.end", "NOW/MINUTE+3MINUTE");
   ```
   
   This makes the test passing even with sleeping 1 minute between doc creation and query execution.

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