I am developing GWT-based application with JPA support. I have a
problem with datanucleus enhancer. I accessed repository and installed
eclipse-based datanucleus enhancer plugin but i doesn't work.
It gives the following problem:
java.lang.NoClassDefFoundError: org/datanucleus/enhancer/
DataNucleusEnhancer
Caused by: java.lang.ClassNotFoundException:
org.datanucleus.enhancer.DataNucleusEnhancer
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)
Exception in thread "main"
How do I solve the problem,?
Is there any other method to work with JPA? Or the only way is to use
enhancer?
I know that we can enhance classes manually but it will take lots of
time.
Any help would be most appreciated
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