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  1. Undertow
  2. UNDERTOW-1618

AbstractFramedStreamSourceChannel.wakeupReads is ignored on certain race conditions

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Details

    • Bug
    • Resolution: Done
    • Major
    • 2.0.29.Final
    • 2.0.28.Final
    • Core
    • None

    Description

      if a wakeupReads is invoked and the task triggered by resumeReadsInternal has already invoked read, but has not cleared the STATE_IN_LISTENER_LOOP flag.

      The reason for this is that wakeupReads() invokes resumeReadsInternal(wakeup=true), and this method checks if a previous execution has already triggered a read task. If it has done so and the task is still running, resumeReadsInternal returns without trying to read again. However, if that happens after the task has already finished reading, but has not yet cleared the STATE_IN_LISTENER_LOOP, we have a race condition that results in wakeupReads being ignored.

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          causes

          Bug - A problem that impairs or prevents the functions of the product. UNDERTOW-1621 AbstractFramedChannel.flushSenders could throw NPE when polling newFrames

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved
          incorporates

          Bug - A problem that impairs or prevents the functions of the product. JBEAP-18162 [GSS](7.2.z) WEJBHTTP-32 - Remote duplicate notifyAll call from WildflyClientInputStream read listener after -1 is read

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Verified
          relates to

          Component Upgrade - A task tracking an update to a bundled component or revision of component upstream of the project. WFCORE-4784 Upgrade Undertow to 2.0.29.Final

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              flaviarnn Flavia Rainone
              flaviarnn Flavia Rainone
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                Created:
                Updated:
                Resolved: