chetanmeh commented on issue #4314: CosmosDB Cache Invalidation Service URL: https://github.com/apache/incubator-openwhisk/pull/4314#issuecomment-499812339 Currently the CosmosDB Change Feed Processor does not shutdown properly which causes stray thread to still run. This causes some log messages like ``` [2019-06-07T08:36:27.266Z] [ERROR] Other exception not handled happened: null java.lang.NullPointerException at com.microsoft.azure.documentdb.changefeedprocessor.services.CheckpointServices.getCheckpoint(CheckpointServices.java:77) at com.microsoft.azure.documentdb.changefeedprocessor.services.CheckpointServices.getCheckpointData(CheckpointServices.java:49) at com.microsoft.azure.documentdb.changefeedprocessor.services.ChangeFeedJob.QueryChangeFeed(ChangeFeedJob.java:159) at com.microsoft.azure.documentdb.changefeedprocessor.services.ChangeFeedJob.lambda$start$0(ChangeFeedJob.java:136) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:748) ``` Opened Azure/azure-documentdb-changefeedprocessor-java#63 to clarify that aspect [1]: https://scans.gradle.com/s/xmzxr775nasvo/tests/failed
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