Run Web Layout in Reports Developer not working properly

Question

I created a simple tabular report on hr.employees. It runs fine for the "Run Paper Layout" button. When I click "Run Web Layout" I get an IE browser window with the following:
404 Not Found
OracleJSP: java.io.FileNotFoundException:
Set the init-param debug_mode to "true" to see the complete exception message.
I do not know where to 'Set the init-param debug_mode to "true"'
I'm using windows XP
My "home" for the 10g Developer Suite is I:\DevSuite10g
My "home" for the 10g Rel2 database is I:\oracle\product\10.2.0\
I can navigate to http://mycomputer:8890/reports/rwservlet and see the
"OracleAS Reports Services - Servlet Command Help" webpage
I'm not using Oracle Application Server software.
Please Advise........Mark

Answer 1

Sure, here is the note.
Subject:  Running JSP Report in Builder returns: Error: 404 Not Found Oraclejsp: Java.Io.Filenotfoundexception
  Doc ID:  372624.1 Type:  PROBLEM
  Modified Date :  07-JUN-2006 Status:  MODERATED
In this Document
  Symptoms
  Cause
  Solution
This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process, and therefore has not been subject to an independent technical review.
Applies to: Oracle Reports Developer - Version: 10.1.2.0.2
This problem can occur on any platform.
Symptomso The loss of functionality
Cannot test jsp using Run to Web Layout button.
o The sequence of events
Open a report in builder.
Click on Run to Web Layout.
Browser shows 404 error.
o The significance of loss
Cannot test reports in builder.
o Include specific error messages (error number with syntax)
404 Not Found
OracleJSP: java.io.FileNotFoundException:
Set the initialization parameter in debug_mode to "true" to query the complete exception message.</HT
o What IS working
Paper layout reports work.
CauseA space in the name caused the URL call for the jsp not to be valid.
When the URL is generated, the space is treated as the need for a new parameter.
EXAMPLE
JSP name: 'my test.jsp'
Builds the following URL:
http://server:3000%2Fmy+test000203332.jsp?frombuilder=yes&validatetag=yes&JSPRUN=Yes
While the following name without a space produces a good URL
JSP name: 'myname.jsp'
http://server:3000%2Fmyname000203332.jsp?frombuilder=yes&validatetag=yes&JSPRUN=Yes
Note that the '+' is not in the good URL.
SolutionTo implement the solution, please execute the following steps:
1. Rename you report from my test.jsp' (with space) to 'mytest.jsp' (no space)