Home » Developer & Programmer » Forms » java.lang.ClassNotFoundException error when running a form
java.lang.ClassNotFoundException error when running a form [message #168038] Tue, 18 April 2006 09:07 Go to next message
sandudana
Messages: 48
Registered: March 2006
Member
Hello,

On a Windows 2003 64 bits server I have installed Oracle Application Server 10gR2 10.1.2.0.2 (Infrastructure + Business Intelligence and Forms option). I also upgraded to Portal 10.1.4. All components are up and running.

I wanted to test if Forms services are functional using the test form provided by OAS at installation (test.fmb/.fmx).
Steps executed:

1) Start -> Programs ->Oracle Application Server 10g -> Forms Services -> Run a form on the web for form=test.fmx

or in the IE browser:

2) http://pwr-hp-srv.replynet.prv:7778/forms/frmservlet?form=test.fmx

The applet is not starting and I receive the following error:

java.lang.ClassNotFoundException: oracle.forms.engine.Main

What does this mean? What should I do to make it work?

Any help will be appreciated.
Tahnk you.
daniela
Re: java.lang.ClassNotFoundException error when running a form [message #168052 is a reply to message #168038] Tue, 18 April 2006 09:54 Go to previous messageGo to next message
sandudana
Messages: 48
Registered: March 2006
Member
Hello again,

I solved the problem.

In Control Panel -> JInitiator administration console , the option "Use browser settings" has to be unchecked.

daniela
Re: java.lang.ClassNotFoundException error when running a form [message #168109 is a reply to message #168052] Tue, 18 April 2006 19:43 Go to previous messageGo to next message
djmartin
Messages: 10180
Registered: March 2005
Location: Canberra ACT Australia
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Thank you for providing the solution.

David
icon14.gif  Re: java.lang.ClassNotFoundException error when running a form [message #428065 is a reply to message #168109] Tue, 27 October 2009 01:17 Go to previous messageGo to next message
manaswinig
Messages: 4
Registered: May 2008
Junior Member
Awesome...it worked. Thank you very much
Re: java.lang.ClassNotFoundException error when running a form [message #578791 is a reply to message #428065] Tue, 05 March 2013 04:07 Go to previous messageGo to next message
Jezabelle
Messages: 4
Registered: March 2013
Junior Member
I'm having this problem as well, and I attempted the steps that are outlined above, but couldn't even find where to start. I'm not terribly computer-literate, in fact I can only operate one well enough for basic day-to-day needs. This message has only started to appear in the last few days. I'm using Windows 7, but that's all I know about what my computer is operating on.
Re: java.lang.ClassNotFoundException error when running a form [message #578792 is a reply to message #578791] Tue, 05 March 2013 04:24 Go to previous messageGo to next message
Littlefoot
Messages: 19711
Registered: June 2005
Location: Croatia, Europe
Senior Member
Account Moderator
What changed several days ago (so that the error came up)? Did you install some new software, perhaps?

Anyway: if Quote:
In Control Panel -> JInitiator administration console , the option "Use browser settings" has to be unchecked.
is what you can't find, try the following:
- click "Start" (usually the bottom left corner of Windows desktop)
- choose "Control panel" (you'll see it on the right hand side)
- locate JInitiator, click on it
- a console should open - browse through tabs until you locate that option ("Use browser settings") and uncheck it
Re: java.lang.ClassNotFoundException error when running a form [message #578852 is a reply to message #578792] Tue, 05 March 2013 19:19 Go to previous messageGo to next message
Jezabelle
Messages: 4
Registered: March 2013
Junior Member
See, that's the thing - I can't locate JInitiator anywhere. I've gone through everything, tried using the search bar, etc and can't find it at all.
Re: java.lang.ClassNotFoundException error when running a form [message #578865 is a reply to message #578852] Wed, 06 March 2013 00:07 Go to previous messageGo to next message
Littlefoot
Messages: 19711
Registered: June 2005
Location: Croatia, Europe
Senior Member
Account Moderator
John Watson says (here): Quote:

I've used JRE 1.7 with IE8 and IE9 on windows 7 64bit with 11.5.10.2 and 12.3
I don't think jinitiator is still supported.

So, maybe you don't have JInitiator either, but JRE?
Re: java.lang.ClassNotFoundException error when running a form [message #579162 is a reply to message #578865] Fri, 08 March 2013 03:59 Go to previous messageGo to next message
Jezabelle
Messages: 4
Registered: March 2013
Junior Member
I'm honestly not sure. I'm using a little netbook that I just bought to take with me when I travel for work instead of having to rely on my phone for internet access. It was working fine one day, and the next day, it didn't. :/
Re: java.lang.ClassNotFoundException error when running a form [message #579166 is a reply to message #579162] Fri, 08 March 2013 04:08 Go to previous messageGo to next message
Littlefoot
Messages: 19711
Registered: June 2005
Location: Croatia, Europe
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That's why I askedQuote:

What changed several days ago (so that the error came up)? Did you install some new software, perhaps?
Re: java.lang.ClassNotFoundException error when running a form [message #579167 is a reply to message #579166] Fri, 08 March 2013 04:11 Go to previous messageGo to next message
Jezabelle
Messages: 4
Registered: March 2013
Junior Member
No, there was nothing that I changed. I think the only thing that happened was an automatic update for Windows. But other than that, nothing.
Re: java.lang.ClassNotFoundException error when running a form [message #597478 is a reply to message #578865] Fri, 04 October 2013 21:53 Go to previous message
pkumarv
Messages: 1
Registered: October 2013
Location: delhi
Junior Member
so what to do when we don't have jinitiator but jre to resolve this problem?
thanks in advance
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