ZIMBRA Dsktop Unable To Sync

[sahu.jags.87]

error while proxying request to target server: HTTP/1.1 504 Unknown Host Exception:

com.zimbra.common.service.ServiceException: error while proxying request to target server: HTTP/1.1 504 Unknown Host
ExceptionId:btpool0-0:1328179459301:111501529086e418
Code:service.PROXY_ERROR Argurl, STR, "https://inmumzm01.tcs.com/service/soap/SyncRequest")
at com.zimbra.common.service.ServiceException.PROXY_E RROR(ServiceException.java:309)
at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:240)
at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:162)
at com.zimbra.common.soap.SoapTransport.invoke(SoapTr ansport.java:356)
at com.zimbra.common.soap.SoapTransport.invokeWithout Session(SoapTransport.java:342)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:665)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:627)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:622)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:615)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:611)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:607)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequest(ZcsMa ilbox.java:603)
at com.zimbra.cs.mailbox.ZcsMailbox.sendRequestWithNo tification(ZcsMailbox.java:599)
at com.zimbra.cs.mailbox.DeltaSync.sync(DeltaSync.jav a:85)
at com.zimbra.cs.mailbox.DeltaSync.sync(DeltaSync.jav a:73)
at com.zimbra.cs.mailbox.MailboxSync.sync(MailboxSync .java:178)
at com.zimbra.cs.mailbox.ZcsMailbox.sync(ZcsMailbox.j ava:119)
at com.zimbra.cs.service.offline.OfflineSync.handle(O fflineSync.java:44)
at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEng ine.java:420)
at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:274)
at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:158)
at com.zimbra.soap.SoapServlet.doWork(SoapServlet.jav a:291)
at com.zimbra.soap.SoapServlet.doPost(SoapServlet.jav a:212)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:727)
at com.zimbra.cs.servlet.ZimbraServlet.service(Zimbra Servlet.java:181)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(Ser vletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(Se rvletHandler.java:390)
at org.mortbay.jetty.security.SecurityHandler.handle( SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(Se ssionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(Co ntextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebA ppContext.java:418)
at org.mortbay.jetty.handler.ContextHandlerCollection .handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerCollection.handle (HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152)
at org.mortbay.jetty.handler.rewrite.RewriteHandler.h andle(RewriteHandler.java:230)
at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(Htt pConnection.java:543)
at org.mortbay.jetty.HttpConnection$RequestHandler.co ntent(HttpConnection.java:939)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser. java:755)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpPa rser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnec tion.java:405)
at org.mortbay.io.nio.SelectChannelEndPoint.run(Selec tChannelEndPoint.java:413)
at org.mortbay.thread.BoundedThreadPool$PoolThread.ru n(BoundedThreadPool.java:451)

[ken2johnson]

The error you are getting, "HTTP/1.1 504", usually indicates that the request sent to the server has timed out. It may be that your email server is busy or down. It could also be that the server name you are using is actually forwarding to some other server and that server is not responding fast enough or is down. Can you check with your email provider to see if their servers are working right now?