Re: Struts starts to return blank files after the application has been running a while

[David M. Karr]

> "phil" == phil  <[EMAIL PROTECTED]> writes:

phil> I have an unpleasant problem that is difficult to reproduce. The application
phil> which involves basic CRUD of a database, and uploading of files, works for
phil> a while (between 10 and 30 posts), then stops. I have been trying to solve
phil> this problem for 2 days now! A search of this list didnt help.

phil> The nature of the "stops working" is that any post or get returns a blank
phil> page. I have single stepped through the ActionServlet, and identified that

>> The code is still executing
>> The "process" method of the action is executing
>> The correct forward (for example "/Admin/Brand/Home.jsp") is being returned
>> The ActionServlet tries to forward to this, and nothing happens

phil> Further: once it has "stopped working" when I view the root directory using
phil> the url "http://mysite:8080/"; I can see all the files, but when I click
phil> on any of them (even HTML) blank content is returned.

phil> Rerunning Tomcat is the only option that fixes it

phil> My system is
>> Microsoft Windows XP Professional 5.1.2600 Service pack 1 build 2600
>> Tomcat 4.1.18 (compiled from the source code)
>> Struts 1.1-b3 (compiled from the source code)
>> JDK 1.4.1_01
>> When debugging and single stepping I am using Eclipse 2.0.02

phil> I realise there is very little to go on here! I am hoping that someone has
phil> met an identical problem, and will recognise it.

Have you inspected the Tomcat server logs?

Consider adding a servlet filter that will pass through all output, but
allow you to monitor it.  If you really see it passing through empty output,
you may be able to trace it back to its source.

-- 
===
David M. Karr  ; Java/J2EE/XML/Unix/C++
[EMAIL PROTECTED]   ; SCJP; SCWCD




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Struts starts to return blank files after the application has been running a while

[[EMAIL PROTECTED]]

I have an unpleasant problem that is difficult to reproduce. The application
which involves basic CRUD of a database, and uploading of files, works for
a while (between 10 and 30 posts), then stops. I have been trying to solve
this problem for 2 days now! A search of this list didnt help.

The nature of the "stops working" is that any post or get returns a blank
page. I have single stepped through the ActionServlet, and identified that

> The code is still executing
> The "process" method of the action is executing
> The correct forward (for example "/Admin/Brand/Home.jsp") is being returned
> The ActionServlet tries to forward to this, and nothing happens

Further: once it has "stopped working" when I view the root directory using
the url "http://mysite:8080/"; I can see all the files, but when I click
on any of them (even HTML) blank content is returned.

Rerunning Tomcat is the only option that fixes it

My system is
> Microsoft Windows XP Professional 5.1.2600 Service pack 1 build 2600
> Tomcat 4.1.18 (compiled from the source code)
> Struts 1.1-b3 (compiled from the source code)
> JDK 1.4.1_01
> When debugging and single stepping I am using Eclipse 2.0.02

I realise there is very little to go on here! I am hoping that someone has
met an identical problem, and will recognise it.

Phil Rice


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