rem: catch( e ) 
add: catch( e ) 
context: function get_destination_channel(destinationDirectoryLocation, fileName, login, password){  try  {    var ioService = GetIOService();    if (!ioService)    {       return null;    }    // create a channel for the destination location    var fullurl = destinationDirectoryLocation + fileName;    destChannel = create_channel_from_url(ioService, fullurl, login, password);    if (!destChannel)    {      dump("can't create dest channel\n");      return null;    }    try {    dump("about to set callbacks\n");    destChannel.notificationCallbacks = window.docshell;  // docshell    dump("notification callbacks set\n");    }    catch(e) {dump(e+"\n");}        try {       var httpChannel = destChannel.QueryInterface(Components.interfaces.nsIHttpChannel);    }    catch( e )    {       //alert( e );    }        if (httpChannel)     {       dump("http channel found\n");       return httpChannel;    }    var ftpChannel = destChannel.QueryInterface(Components.interfaces.nsIFTPChannel);    if (ftpChannel) dump("ftp channel found\n");    if (ftpChannel)      return ftpChannel;        var httpsChannel = destChannel.QueryInterface(Components.interfaces.nsIHttpsChannel);    if (httpsChannel) dump("https channel found\n");    if (httpsChannel)      return httpsChannel;    else      return null;  }  catch (e)  {    return null;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a5a230995170b832e921ee2b237d467f8126c524/publish.js/buggy/calendar/resources/content/publish.js