I just try a very very simple code, here is the code.
<%@ page language="java" import="java.text.*, java.util.*, tools.*"
errorPage="" %>
<%
int count = 0;
if(session.getAttribute("WH_Count")!= null){
Integer t = (Integer)session.getAttribute("WH_Count");
count = t.intValue();
}
count++;
System.out.println("Count: " + count);
session.setAttribute("WH_Count", new Integer(count));
Calendar today = Calendar.getInstance();
String str = "";
str += "<html><head></head><body bgcolor=\"#D5D5D5\">";
str += today.getTime().toString() + "<br><br>";
str += "Count value = " + count + "<br>";
for(int i=0; i<10000; i++)
str += i + ",";
str += "<br>END</body><html>";
Utility.writeToFile("/WP.txt",str +"\n");
out.print(str);
%>
Christopher Schultz-2 wrote:
>
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> Shirley,
>
> On 3/5/2010 5:05 AM, Shirely wrote:
>> I have a Tomcat 6.0 run at Window Server 2008. We mainly used it to show
>> some
>> dynamic JSP by running java method at background. However, I found that
>> tomcat server sometimes run abnormally.
>
> I see a red flag in your above statement: "show some dynamic JSP by
> running java method at background". Could you please clarify this and/or
> post some code? If you are starting a new thread to perform some tasks
> in the background and not waiting for it, you can cause all sorts of
> problems.
>
>> Then, we try to trace the code, we found that when it return blank page
>> 1. server have receive the GET request and have return a packet to client
>> which the packet body is "0"
>
> Is that a byte 0x00 or a "0" character? some more details would
> definitely help.
>
>> 2. However, if the page have a counter on it. we found the counter
>> haven't
>> updated. So, it seems that whole jsp page haven't run yet.
>
> If the original page isn't returned properly, the counter (often an
> image) is never referenced, and therefore not updated.
>
> - -chris
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