<DIV>hi</DIV>
<DIV>&nbsp;</DIV>
<DIV>Would anyone please help me handling below exception while using sip communicator</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT color=#0000ff size=2>
<P>2594 [NetworkDiagnosticsThread] ERROR common.NetworkDiagnostics - The network diagnostics process has failed with the following exception</P>
<P>net.java.stun4j.StunException: An Exception occurred while sending message bytes through a network socket!</P>
<P>at net.java.stun4j.stack.NetAccessManager.sendMessage(NetAccessManager.java:397)</P>
<P>at net.java.stun4j.stack.StunClientTransaction.sendRequest(StunClientTransaction.java:205)</P>
<P>at net.java.stun4j.stack.StunProvider.sendRequest(StunProvider.java:95)</P>
<P>at net.java.stun4j.client.BlockingRequestSender.sendRequestAndWaitForResponse(BlockingRequestSender.java:79)</P>
<P>at net.java.stun4j.client.NetworkConfigurationDiscoveryProcess.doTestI(NetworkConfigurationDiscoveryProcess.java:284)</P>
<P>at net.java.stun4j.client.NetworkConfigurationDiscoveryProcess.determineAddress(NetworkConfigurationDiscoveryProcess.java:186)</P>
<P>at net.java.sip.communicator.common.NetworkDiagnostics.run(NetworkDiagnostics.java:94)</P>
<P>Caused by: java.lang.NullPointerException: null address || null buffer</P>
<P>at java.net.PlainDatagramSocketImpl.send(Native Method)</P>
<P>at java.net.DatagramSocket.send(DatagramSocket.java:611)</P>
<P>at net.java.stun4j.stack.NetAccessPoint.sendMessage(NetAccessPoint.java:200)</P>
<P>at net.java.stun4j.stack.NetAccessManager.sendMessage(NetAccessManager.java:393)</P>
<P>... 6 more</P>
<P>&nbsp;</P>
<P>Thanks</P>
<P>Rajesh</P></FONT></DIV><p>
                <hr size=1> 
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