Weblogic.socket.muxer problem on Solaris

Does any body face this problem:We are using weblogic 8.1 sp4 on Solaris 8.Is there a patch from weblogic 8.1 sp3 or after. thanks.See the sample error log  below


"ExecuteThread: '2' for queue: 'weblogic.admin.RMI'" daemon prio=5 tid=0x00ea4fa8 nid=0x6a in Object.wait() [d0081000..d0081998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a043d8> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a043d8> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '1' for queue: 'weblogic.admin.RMI'" daemon prio=5 tid=0x00c59430 nid=0x69 in Object.wait() [d0181000..d0181998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a04458> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a04458> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '0' for queue: 'weblogic.admin.RMI'" daemon prio=5 tid=0x00cd4e90 nid=0x68 in Object.wait() [d0281000..d0281998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a04c60> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a04c60> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '2' for queue: 'weblogic.socket.Muxer'" daemon prio=5 tid=0x00afab90 nid=0x67 runnable [d0381000..d0381998]
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:129)
        at weblogic.socket.SocketMuxer.readReadySocketOnce(SocketMuxer.java:672)
        - locked <0xe3bf54c8> (a weblogic.socket.WeblogicSocket)
        at weblogic.socket.SocketMuxer.readReadySocket(SocketMuxer.java:648)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:123)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:32)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

"ExecuteThread: '1' for queue: 'weblogic.socket.Muxer'" daemon prio=5 tid=0x00b13ba8 nid=0x66 runnable [d0481000..d0481998]
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:129)
        at weblogic.socket.SocketMuxer.readReadySocketOnce(SocketMuxer.java:672)
        - locked <0xe35c51e8> (a weblogic.socket.WeblogicSocket)
        at weblogic.socket.SocketMuxer.readReadySocket(SocketMuxer.java:648)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:123)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:32)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

"ExecuteThread: '0' for queue: 'weblogic.socket.Muxer'" daemon prio=5 tid=0x00591ba0 nid=0x65 runnable [d0581000..d0581998]
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:129)
        at weblogic.socket.SocketMuxer.readReadySocketOnce(SocketMuxer.java:672)
        - locked <0xe2c1a7b0> (a weblogic.socket.WeblogicSocket)
        at weblogic.socket.SocketMuxer.readReadySocket(SocketMuxer.java:648)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:123)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:32)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

"weblogic.security.SpinnerRandomSource" daemon prio=5 tid=0x00af63e0 nid=0x64 in Object.wait() [d0681000..d0681998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a24f58> (a java.lang.Object)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.security.SpinnerRandomBitsSource.run(SpinnerRandomBitsSource.java:60)
        - locked <0xe1a24f58> (a java.lang.Object)
        at java.lang.Thread.run(Thread.java:534)

"weblogic.time.TimeEventGenerator" daemon prio=9 tid=0x00591f10 nid=0x63 in Object.wait() [d0781000..d0781998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a24fc8> (a weblogic.time.common.internal.TimeTable)
        at weblogic.time.common.internal.TimeTable.snooze(TimeTable.java:272)
        - locked <0xe1a24fc8> (a weblogic.time.common.internal.TimeTable)
        at weblogic.time.common.internal.TimeEventGenerator.run(TimeEventGenerator.java:118)
        at java.lang.Thread.run(Thread.java:534)

"ExecuteThread: '4' for queue: 'weblogic.kernel.System'" daemon prio=5 tid=0x002dc9c8 nid=0x62 in Object.wait() [d0881000..d0881998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a25040> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a25040> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '3' for queue: 'weblogic.kernel.System'" daemon prio=5 tid=0x002dbdd8 nid=0x61 in Object.wait() [d0981000..d0981998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a250c0> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a250c0> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '2' for queue: 'weblogic.kernel.System'" daemon prio=5 tid=0x002db1e8 nid=0x60 in Object.wait() [d0a81000..d0a81998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a25140> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a25140> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '1' for queue: 'weblogic.kernel.System'" daemon prio=5 tid=0x002da5f8 nid=0x5f in Object.wait() [d0b81000..d0b81998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a251c0> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        - waiting on <0xe1a251c0> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a251c0> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '0' for queue: 'weblogic.kernel.System'" daemon prio=5 tid=0x002d9a08 nid=0x5e in Object.wait() [d0c81000..d0c81998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a25240> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a25240> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '79' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=0x002d8eb0 nid=0x5d in Object.wait() [d0d81000..d0d81998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a252c0> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a252c0> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '78' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=0x005881e0 nid=0x5c in Object.wait() [d0e81000..d0e81998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a25340> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a25340> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '77' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=0x005875f0 nid=0x5b in Object.wait() [d0f81000..d0f81998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a253c0> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a253c0> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '76' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=0x00586a00 nid=0x5a in Object.wait() [d1081000..d1081998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a25440> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a25440> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '75' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=0x00585e10 nid=0x59 in Object.wait() [d1181000..d1181998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a254c0> (a weblogic.kernel.ExecuteThread)
        at java.lang.Object.wait(Object.java:429)
        at weblogic.kernel.ExecuteThread.waitForRequest(ExecuteThread.java:153)
        - locked <0xe1a254c0> (a weblogic.kernel.ExecuteThread)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:172)

"ExecuteThread: '74' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=0x00585220 nid=0x58 in Object.wait() [d1281000..d1281998]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe1a25540> (a weblogic.kernel.Execu
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