R12 Custom Servlet Debugging

Hello Gurus,
I am a novice w.r.t. Java.
We are on EBS R12.1.3.
I have written a custom servlet that will generate BI Publisher output.
Basically the servlet will then be used within Oracle Apps forms to generate the BI Publisher output.
The servlet works fine locally using JDeveloper.
I have now deployed the servlet in R12 server.
When I try to execute the servlet in a browser, it hangs and does not show output. Probably there is some exception somewhere.
Where is the exception logged?
How can I debug the servlet? If I write System.out.println, then what location will it write on the R12 server?
Regards,
Jay

http://www.google.com/search?q="public class"+"extends httpservlet"

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[email protected]

Per my understanding, after searching in many threads,i am here by summarising the practical low level steps for custom forms migration
Please correct me,if i am wrong.
1) Download the Forms(.fmb's) and all PLL's(all the PLL from resource folder in AU_TOP) into a Local Machine Folder
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4) Upload the Saved Forms(.fmb's) into the new R12 server(system) in the respective custom paths(paths similar to 11i Server)
5) Compile all the forms using the command like below(example command is shown below or f60 gen commands or frmcmp.sh utility) in the respective custom form paths,
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frmcmp_batch module=FORMNAME.fmb userid=apps/apps output_file=FORMNAME.fmx compile_all=yes
Link for compiling forms: https://support.oracle.com/epmos/faces/ui/km/SearchDocDisplay.jspx?_afrLoop=359210362972527&type=DOCUMENT&id=1085928.1&displayIndex=3&_afrWindowMode=0&_adf.ctrl-state=c348xvwbg_98
6) Open the form and check in R12 instance
As per my understanding for custom form libraries,we can just copy paste the PLL's from 11i server to R12 server (Please correct me,if i am wrong)You are right, and the steps mentioned above should be sufficient.
Can anyone please help me out in custom reports and custom workflows.Sorry that,i could not get a practical and clear picture for reports and also for workflow even after referring many threads and metalink notes mentioned.
As for reports,some says that Developer Suite 10g can be used and .rdf can be used in R12.
Some says that reports should be converted to XML published as reports does not exists in R12.
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Hussein

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          at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2468)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:152)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:133)
          Kevin Thomas <[email protected]> wrote:
          > But this isn't useful, as you don't know which JSP the line number is referring
          > to! (did it come from the main JSP, or one of the files that it included?)
          > Turning debug off is not an answer- because that will lose other useful information
          > that is useful to the debugger.
          > Kevin.
          > "Dimitri I. Rakitine" <[email protected]> wrote:
          >>Actually, this is useful when you want to debug .jsp's and not generated
          >>..java files. Did you try setting 'debug' jsp-param in the weblogic.xml
          >>to
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          >>
          >>Kevin Thomas <[email protected]> wrote:
          >>
          >>> Here's something that's been baffling me for a couple of days now.
          >>
          >>> When WebLogic parses a JSP into servlet Java source, and then compiles
          >>the Java
          >>> source into a class, it seems to perform a further step to obfuscate
          >>debug line
          >>> numbers in the _jspService method. This converts the debug line numbers
          >>from Java
          >>> source code line numbers into JSP line numbers.
          >>
          >>> At first sight, this may appear to be useful- it means that when an
          >>exception
          >>> is thrown then it references a line number in the original JSP rather
          >>than one
          >>> in the generated servlet. However, it actually makes life more difficult
          >>when
          >>> you consider included JSPs.
          >>
          >>> Suppose you have a file loginresult.jsp, which uses @include to include
          >>a header.jsp
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          >>converts
          >>> line numbers, it ignores the JSP that the code came from, so this causes
          >>a many-to-one
          >>> mapping of line numbers. When an error occurs, the exception will tell
          >>you the
          >>> line number that it came from, but it won't tell you which JSP caused
          >>it. The
          >>> many-to-one mapping ensures a loss of information- and no way of retrieving
          >>the
          >>> real line numbers.
          >>
          >>> This is an even bigger nuisance when trying to debug JSPs- the debugger
          >>hops around
          >>> in the generated servlet file without giving any clue as to whereabouts
          >>it really
          >>> is in the code.
          >>
          >>> My question is: is there any way of switching off this post-processor
          >>behaviour?
          >>> One obvious way would be to locate the WebLogic class that does this
          >>post-processing,
          >>> stub it out and run WebLogic with this class higher up in the classpath.
          >>But that's
          >>> a last resort.
          >>
          >>> Secondly, would there be any other impact in turning off this behaviour?
          >>Do other
          >>> parts of WebLogic rely on this?
          >>
          >>> Thanks in advance,
          >>
          >>> Kevin.
          >>
          >>--
          >>Dimitri
          >>
          Dimitri

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979379 wrote:
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Dear All,
I m Develop a Customized form in r12 , the form work fine but it have a small problem , please help me for that problem .
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i have try each and every thing but the message not appeare in toolbar.
Please Help Me.
Thanks in Advance

Did you tried ON-COMMIT Trigger, by putting a custom message as "Transaction complete 1 record applied and saved".
Regards,
Neeraj.

R12 Custom Servlet Debugging

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