wu-sheng opened a new pull request #741: Protect the background processes. URL: https://github.com/apache/incubator-skywalking/pull/741 There is an important feature of `ScheduledExecutorService`. The timer could be suppressed with an exception in `run()`. ``` encounters an exception, subsequent executions are suppressed. ``` I fix this by adding a new `RunnableWithExceptionProtection`.
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