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  1. JDK
  2. JDK-4487824

Unconnected Multicast Tests failed when buffer size is 63k on LinuxRH7.1

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3
    • Resolution: Cannot Reproduce
    • Affects Version/s: 1.4.0
    • Fix Version/s: None
    • Component/s: core-libs
    • Subcomponent:
    • CPU:
      x86
    • OS:
      linux_2.4

      Description

      Unconnected Multicast Socket test failed when buffer size of DatagramPacket is 64512 on Linux RH7.1 with kernel version 2.4.1 . Same tests passed with buffer size 4 * 1024 or 8 * 1024 on same machine. With buffer size 64512 tests passed on other platforms like solaris and windows.

      How to reproduce it:
      --------------------
      1. Take the tests folder from
      /net/sqesvr/export/vsn/NET/merlin_jdk_net/TestSuite/tests

      2. set JAVA_HOME and STABLE_JAVA_HOME to current jdk.

      3. do a make with make all

      4. to tests/UCSmcast and execute mcast reader and writer as below.

      5. Start the Multicast writer application as
      java UCSmcastWriter -d -l 0 -m 50 -b 64

      6. Start the Multicast reader application as
      java UCSmcastReader -d -l 500

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            Assignee:
            michaelm Michael McMahon
            Reporter:
            vakellasunw Venkata Akella (Inactive)
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