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Robert Bradshaw commented on BEAM-9868: --------------------------------------- Yes, this does sound related. Is this running against the JRH? > All tests in beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow > started to fail since 04/17/2020 > ---------------------------------------------------------------------------------------------------------- > > Key: BEAM-9868 > URL: https://issues.apache.org/jira/browse/BEAM-9868 > Project: Beam > Issue Type: Bug > Components: test-failures > Reporter: Boyuan Zhang > Priority: Major > Labels: currently-failing > > https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow/ > Most seen failures: > * ClassNotFound error, e.g., java.lang.NoClassDefFoundError: > org/hamcrest/Matchers > * Unable to deserialize Custom DoFn With Execution Info -- This message was sent by Atlassian Jira (v8.3.4#803005)