buildbot exception in on flink-docs-release-1.0

The Buildbot has detected a build exception on builder flink-docs-release-1.0 while building . Full details are available at: https://ci.apache.org/builders/flink-docs-release-1.0/builds/72 Buildbot URL: https://ci.apache.org/ Buildslave for this Build: lares_ubuntu Build Reason: The

flink git commit: [FLINK-3669] Timer coalescing across keys and cleanup of unused trigger tasks

Repository: flink Updated Branches: refs/heads/master 47faa90d6 -> e7586c3b2 [FLINK-3669] Timer coalescing across keys and cleanup of unused trigger tasks Per timestamp only one TriggerTask is registered at the runtime context. When the first timer is registered a new TriggerTask is sheduled.