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Dead fiber that should not be dead #4864

headius opened this Issue Nov 22, 2017 · 0 comments


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headius commented Nov 22, 2017

For the issue in #4838, @satosho provided a script that tests aliveness of various forms of Fiber.

That issue was fixed, but in the process, I occasionally saw the following error running @satosho's script:

FiberError: dead fiber called
          resume at org/jruby/ext/fiber/
  block in check at blah.rb:6
           times at org/jruby/
            each at org/jruby/
             map at org/jruby/
           check at blah.rb:4
          <main> at blah.rb:14

As there was a race in aliveness-checking before, there may be a race when a fiber starts and very quickly terminates.

@headius headius added the core label Nov 22, 2017

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