UnsupportedClassVersionError: com/google/gwt/user/tools/WebAppCreator

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Viksul

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Jan 13, 2010, 8:14:49 AM1/13/10

to Google Web Toolkit

Hello Folks,
I am new to GWT and trying to create a basic web application using
GWT2.0.
I am seeing the following error when running the webAppCreator
command.
I used both jdk.15 & jdk1.6. Can someone help me fix this?

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/
google/gw
t/user/tools/WebAppCreator (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)