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

        Issue Links

          Activity

          Emmanuel Lecharny made changes -
          Status Resolved [ 5 ] Closed [ 6 ]
          Emmanuel Lecharny made changes -
          Fix Version/s 2.0.0 [ 12313701 ]
          Fix Version/s 2.0.0-RC2 [ 12313767 ]
          Emmanuel Lecharny made changes -
          Link This issue relates to DIRMINA-764 [ DIRMINA-764 ]
          Omry Yadan made changes -
          Attachment StressClient.java [ 12434668 ]
          Omry Yadan made changes -
          Attachment StressClient.java [ 12435809 ]
          Emmanuel Lecharny made changes -
          Status Open [ 1 ] Resolved [ 5 ]
          Resolution Fixed [ 1 ]
          Omry Yadan made changes -
          Attachment NettyTestServer.java [ 12434676 ]
          Omry Yadan made changes -
          Attachment StressClient.java [ 12434538 ]
          Omry Yadan made changes -
          Attachment RateCounter.java [ 12434667 ]
          Attachment StressClient.java [ 12434668 ]
          Emmanuel Lecharny made changes -
          Emmanuel Lecharny made changes -
          Emmanuel Lecharny made changes -
          Attachment Screen shot 2010-02-02 at 6.55.41 PM.png [ 12434546 ]
          Emmanuel Lecharny made changes -
          Attachment Screen shot 2010-02-02 at 6.55.41 PM.png [ 12434546 ]
          Omry Yadan made changes -
          Environment Linux (2.6.26-2-amd64), java version "1.6.0_12"
          Linux (2.6.26-2-amd64), java version 1.6.0_12 and also 1.6.0_18.
          Omry Yadan made changes -
          Environment Linux (Kernel 2.6.26), java version "1.6.0_12"
          Linux (2.6.26-2-amd64), java version "1.6.0_12"
          Omry Yadan made changes -
          Environment Linux (2.6.30), java version "1.6.0_12"
          Linux (Kernel 2.6.26), java version "1.6.0_12"
          Omry Yadan made changes -
          Attachment BufferCodec.class [ 12434536 ]
          Omry Yadan made changes -
          Attachment BufferCodec.java [ 12434539 ]
          Omry Yadan made changes -
          Field Original Value New Value
          Attachment BufferCodec.class [ 12434536 ]
          Attachment Server.java [ 12434537 ]
          Attachment StressClient.java [ 12434538 ]
          Omry Yadan created issue -

            People

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

              Dates

              • Created:
                Updated:
                Resolved:

                Development