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Home » Archived » BIRT » UnsupportedClassVersion Error
UnsupportedClassVersion Error [message #99889] Thu, 15 December 2005 20:42 Go to next message
Eclipse UserFriend
Originally posted by: to.sreddy.gmail.com

I am trying to integrate BIRT M03 version with Websphere Studio 5.0. I am
getting the following error while trying to communicate with
RunReport.java through a JSP.
java.lang.UnsupportedClassVersionError:
org/eclipse/birt/report/engine/api/EngineException (Unsupported
major.minor version 48.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:695)
at java.security.SecureClassLoader.defineClass(SecureClassLoade r.java:133)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:319)
at java.net.URLClassLoader.access$400(URLClassLoader.java:92)
at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java: 677)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:238)
at java.lang.ClassLoader.loadClass(ClassLoader.java:514)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:441 )
at java.lang.ClassLoader.loadClass(ClassLoader.java:446)
Exception in thread "main"

Any ideas, suggestions....
Thanks
Srini

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Re: UnsupportedClassVersion Error [message #99933 is a reply to message #99889] Fri, 16 December 2005 00:17 Go to previous messageGo to next message
Haris Peco is currently offline Haris PecoFriend
Messages: 1072
Registered: July 2009
Senior Member
srini wrote:

> I am trying to integrate BIRT M03 version with Websphere Studio 5.0. I am
> getting the following error while trying to communicate with
> RunReport.java through a JSP.
> java.lang.UnsupportedClassVersionError:
> org/eclipse/birt/report/engine/api/EngineException (Unsupported
> major.minor version 48.0)
> at java.lang.ClassLoader.defineClass0(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:695)
> at java.security.SecureClassLoader.defineClass(SecureClassLoade r.java:133)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:319)
> at java.net.URLClassLoader.access$400(URLClassLoader.java:92)
> at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java: 677)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:238)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:514)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:441 )
> at java.lang.ClassLoader.loadClass(ClassLoader.java:446)
> Exception in thread "main"
>
> Any ideas, suggestions....
> Thanks
> Srini
user another jdk/jre - you or websphere have incompatible jdk with birt

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Re: UnsupportedClassVersion Error [message #99962 is a reply to message #99933] Fri, 16 December 2005 04:17 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: to.sreddy.gmail.com

Do you have any idea Which version of jdk/jre does BIRT M03 supports? so
that i can move my websphere to that version..
-Srini

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Re: UnsupportedClassVersion Error [message #100041 is a reply to message #99933] Fri, 16 December 2005 14:18 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: to.sreddy.gmail.com

my problem is resolved,thanks

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Re: UnsupportedClassVersion Error [message #100055 is a reply to message #99962] Fri, 16 December 2005 15:33 Go to previous messageGo to next message
Haris Peco is currently offline Haris PecoFriend
Messages: 1072
Registered: July 2009
Senior Member
srini wrote:

> Do you have any idea Which version of jdk/jre does BIRT M03 supports? so
> that i can move my websphere to that version..
> -Srini
I don't sure, you can see on eclipse.org/birt in download section
you will find requirements for jdk

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Re: UnsupportedClassVersion Error [message #100324 is a reply to message #100041] Mon, 19 December 2005 00:34 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: jasonweathersby.alltel.net

How did you resolve the issue?
Thanks

Jason Weathersby
BIRT PMC

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Re: UnsupportedClassVersion Error [message #100474 is a reply to message #100324] Mon, 19 December 2005 19:36 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: to.sreddy.gmail.com

unfortunately....my problem was not solved, i am still getting the same
error, there were some other errors resolved like replaceFirst() which i
wrote my own method.I need to check whether M03 will support jre1.4 or not
-

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Re: UnsupportedClassVersion Error [message #100583 is a reply to message #100474] Tue, 20 December 2005 05:47 Go to previous messageGo to next message
Jason Weathersby is currently offline Jason WeathersbyFriend
Messages: 9167
Registered: July 2009
Senior Member
Srini,

I had a similar problem when using an older JVM.
I believe BIRT still supports 1.4.x and 1.5.x. What version are you using?

Jason

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Re: UnsupportedClassVersion Error [message #100597 is a reply to message #100583] Tue, 20 December 2005 05:49 Go to previous message
Jason Weathersby is currently offline Jason WeathersbyFriend
Messages: 9167
Registered: July 2009
Senior Member
You may want to try and recompile RunReport.java with the same Java
version as the app server. I remembered this happened to me when I
slipped and compiled the class with 1.5 and used 1.4 on the app server.

Jason

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