MINA
  1. MINA
  2. DIRMINA-762

WARN org.apache.mina.core.service.IoProcessor - Create a new selector. Selected is 0, delta = 0

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Critical Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.0.0
    • Component/s: None
    • Labels:
      None
    • Environment:
      Linux (2.6.26-2-amd64), java version 1.6.0_12 and also 1.6.0_18.

      Description

      Mina server gets into a bad state where it constantly prints :
      WARN org.apache.mina.core.service.IoProcessor - Create a new selector. Selected is 0, delta = 0

      when this happens, server throughput drops significantly.

      to reproduce run the attached server and client for a short while (30 seconds on my box).

      1. Server.java
        2 kB
        Omry Yadan
      2. BufferCodec.java
        2 kB
        Omry Yadan
      3. Screen shot 2010-02-02 at 7.48.39 PM.png
        354 kB
        Emmanuel Lecharny
      4. Screen shot 2010-02-02 at 7.48.46 PM.png
        351 kB
        Emmanuel Lecharny
      5. Screen shot 2010-02-02 at 7.48.59 PM.png
        386 kB
        Emmanuel Lecharny
      6. Screen shot 2010-02-02 at 7.49.13 PM.png
        346 kB
        Emmanuel Lecharny
      7. Screen shot 2010-02-02 at 7.49.18 PM.png
        337 kB
        Emmanuel Lecharny
      8. RateCounter.java
        2 kB
        Omry Yadan
      9. NettyTestServer.java
        5 kB
        Omry Yadan
      10. StressClient.java
        5 kB
        Omry Yadan

        Issue Links

          Activity

          No work has yet been logged on this issue.

            People

            • Assignee:
              Unassigned
              Reporter:
              Omry Yadan
            • Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development