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Posted to dev@cocoon.apache.org by bu...@apache.org on 2002/10/02 00:01:40 UTC
DO NOT REPLY [Bug 13186] New: - after java exception in XSP, Cocoon continues with pipeline

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=13186

after java exception in XSP, Cocoon continues with pipeline

           Summary: after java exception in XSP, Cocoon continues with
                    pipeline
           Product: Cocoon 2
           Version: 2.0.3
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Major
          Priority: Other
         Component: sitemap components
        AssignedTo: cocoon-dev@xml.apache.org
        ReportedBy: paint007@mc.duke.edu


When I have a java exception in XSP code, in a pipeline with transform stages, 
everything should get short circuited as soon as the exception occurs, that is, 
no output from the pipeline should occur.  Instead, Cocoon should switch to an 
error handler pipeline (if there is one) or to some default error message.  
This was the behavior in C2.0.2.  In C2.0.3, what happens is that the pipeline 
continues through the stages and produces output.  If an error handler is set 
up, that *also* gets run and produces output.  The result is output something 
like <html> ... error handler output here ... </html><html> ... original page 
stuff here ...</html>.

I've checked this both in our web app and in the (otherwise unmodified) 
distribution web app (cocoon.war).

This is easily reproduced.  Here's a sitemap entry:
<map:match pattern="bleah">
  <map:generate src="bleah.xml" type="serverpages"/>
  <map:transform src="bleah.xsl"/>
  <map:serialize/>
</map:match>

Here's bleah.xml:
<?xml version="1.0"?>
<xsp:page xmlns:xsp="http://apache.org/xsp">
  <page>
    <xsp:logic>
      int fudge = Integer.parseInt("Hello");
    </xsp:logic>
  </page>
</xsp:page>

and here's bleah.xsl:
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:template match="page">
  <html>
    <body>
      <h1>Hello!</h1>
      <h2>Hey!</h2>
    </body>
  </html> 
</xsl:template>
</xsl:stylesheet>

If done in cocoon.war, you should see both the system error handler, then the 
headers "Hello" and "Hey" at the bottom.

-Christopher

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