请问solaris8 下的weblogic6 的错误？

Oracle

<2004-12-1 下午05时36分41秒>; <Error>; <osix Performance Pack>; <IOException on socket: 'weblogic.servlet.internal.MuxableSocketHTTP@63b254 - idle timeout: '30', socket timeout: '30000'', fd: '17'
java.net.SocketException: ???????l??: ???????l??
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:116)
        at weblogic.socket.PosixSocketMuxer.readBytesProblem(PosixSocketMuxer.java:540)
        at weblogic.socket.PosixSocketMuxer.deliverGoodNews(PosixSocketMuxer.java:453)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:385)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:24)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>;
<2004-12-1 下午05时36分41秒>; <Error>; <HTTP>; <Connection failure
java.net.SocketException: ???????l??: ???????l??
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:116)
        at weblogic.socket.PosixSocketMuxer.readBytesProblem(PosixSocketMuxer.java:540)
        at weblogic.socket.PosixSocketMuxer.deliverGoodNews(PosixSocketMuxer.java:453)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:385)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:24)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>;
<2004-12-1 下午05时37分06秒>; <Error>; <osix Performance Pack>; <IOException on socket: 'weblogic.servlet.internal.MuxableSocketHTTP@e85fe9 - idle timeout: '30', socket timeout: '5000'', fd: '15'
java.net.SocketException: ???????l??: ???????l??
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:116)
        at weblogic.socket.PosixSocketMuxer.readBytesProblem(PosixSocketMuxer.java:540)
        at weblogic.socket.PosixSocketMuxer.deliverGoodNews(PosixSocketMuxer.java:453)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:385)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:24)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>;
<2004-12-1 下午05时37分06秒>; <Error>; <HTTP>; <Connection failure
java.net.SocketException: ???????l??: ???????l??
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:116)
        at weblogic.socket.PosixSocketMuxer.readBytesProblem(PosixSocketMuxer.java:540)
        at weblogic.socket.PosixSocketMuxer.deliverGoodNews(PosixSocketMuxer.java:453)
        at weblogic.socket.PosixSocketMuxer.processSockets(PosixSocketMuxer.java:385)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:24)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>;
请问哪位高手能告诉我是怎么一回事啊？ 如何解决。