java chat application using JSP... questions! help!? I have a problem, about the popup windows that hold my messaging window. in yahoo messenger, every time a user clicks on a contact, a new window opens and it is visible to both users. how can I open this pop up window to the contact I wanted to chat with? He should be seeing the window I am seeing.
I implemented my contacts list, with the contact names as links. for example, my contact anne will be a link to privateChat.jsp?contact=anne. when I click on it, the popup window will be displayed. how will I be able to retrieve the name "anne" in the query string? i tried request.getQueryString() inside the conversationArea.jsp, but it only returns a nullpointerexception.
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