Jenkins error - hudson.util.IOException2

Today, several jenkins job continue to work but their console log ended with long exception:

ERROR: Asynchronous execution failurejava.util.concurrent.ExecutionException: hudson.util.IOException2: Unable to read

After searching google, I found several places about this issue - link 1 and link 2.

Bottom line is it seems a defect in jenkins. A workaround is to delete the fingerprint folder (in jenkins home folder) and run the jobs again.

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