Hi,

I am using ZCS 4.0.5_GA_518, encountered POP3 connection issues recently.

There are a couple of errors but am not sure how related are they to the event. Any help to identify the issue and thus prevent it from happening would be great.

thanks,
James


---zimbra.log---
2008-09-07 08:34:25,602 INFO [Pop3Server-5522] [] ProtocolHandler - Exception occurred while handling connection
java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher .java:29)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.jav a:104)
at sun.nio.ch.IOUtil.write(IOUtil.java:75)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelIm pl.java:302)
at java.nio.channels.Channels.write(Channels.java:60)
at java.nio.channels.Channels.access$000(Channels.jav a:47)
at java.nio.channels.Channels$1.write(Channels.java:1 34)
at java.io.BufferedOutputStream.flushBuffer(BufferedO utputStream.java:65)
at java.io.BufferedOutputStream.flush(BufferedOutputS tream.java:123)
at com.zimbra.cs.pop3.Pop3Handler.sendLine(Pop3Handle r.java:383)
at com.zimbra.cs.pop3.Pop3Handler.sendResponse(Pop3Ha ndler.java:372)
at com.zimbra.cs.pop3.Pop3Handler.sendOK(Pop3Handler. java:355)
at com.zimbra.cs.pop3.Pop3Handler.setupConnection(Pop 3Handler.java:116)
at com.zimbra.cs.tcpserver.ProtocolHandler.run(Protoc olHandler.java:196)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Wo rker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:595)