Getting connection reset.

Hi All,
I am working on a client/server based program.The client is sending messages to server. For some messages it is giving the following
exception but also working fine for same messages sometimes.
java.net.SocketException: Connection reset
        at java.net.SocketInputStream.read(SocketInputStream.java:168)
        at sun.nio.cs.StreamDecoder$CharsetSD.readBytes(StreamDecoder.java:408)
        at sun.nio.cs.StreamDecoder$CharsetSD.implRead(StreamDecoder.java:450)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:182)
        at java.io.InputStreamReader.read(InputStreamReader.java:167)
        at java.io.BufferedReader.fill(BufferedReader.java:136)
        at java.io.BufferedReader.readLine(BufferedReader.java:299)
        at java.io.BufferedReader.readLine(BufferedReader.java:362)some help which i got saying the length of message may be long but its not true in my application. Within our domain it worked fine but over firewalls its giving the exception. Is this due to firewall? If yes how can we solve this?
please help me in solving this issue

hi
Iam getting connection reset during processing a file.
java.net.SocketException: Connection reset
        at java.net.SocketInputStream.read(SocketInputStream.java:168)
        at com.sun.net.ssl.internal.ssl.InputRecord.a(DashoA6275)
        at com.sun.net.ssl.internal.ssl.InputRecord.read(DashoA6275)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA6275)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA6275)
        at com.sun.net.ssl.internal.ssl.AppInputStream.read(DashoA6275)
        at sun.nio.cs.StreamDecoder$CharsetSD.readBytes(StreamDecoder.java:406)
        at sun.nio.cs.StreamDecoder$CharsetSD.implRead(StreamDecoder.java:446)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)
        at java.io.InputStreamReader.read(InputStreamReader.java:167)
        at java.io.BufferedReader.fill(BufferedReader.java:136)
        at java.io.BufferedReader.readLine(BufferedReader.java:299)
        at java.io.BufferedReader.readLine(BufferedReader.java:362)
        at EndMonitor.run(ApacheCommunication1.java:1502)
        at java.util.TimerThread.mainLoop(Timer.java:432)
        at java.util.TimerThread.run(Timer.java:382)

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