Check out Rick's blog posting first... http://webspherepersistence.blogspot.com/2009/02/openjpa-enhancement.html
On Fri, Aug 28, 2009 at 3:54 AM, drawal <[email protected]>wrote: > > I want to use "org.apache.openjpa.enhance.PCEnhancer" class to enhance my > java files. > How can i do it? > I tried it by ANT like: > <target name="Compile"> > > <taskdef name="openjpac" > classname="org.apache.openjpa.ant.PCEnhancerTask"/> > <openjpac> > <fileset dir="."> <include name="Main.java" /> </fileset> > <config propertiesFile="META-INF/persistence.xml"/> > </openjpac> > </target> > But i am getting one Exception: > Exception in thread "main" <openjpa-1.2.1-r752877:753278 fatal user error> > org.apache.openjpa.util.MetaDataException: MetaDataFactory could not be > configured (conf.newMetaDataFactoryInstance() returned null). This might > mean that no configuration properties were found. Ensure that you have a > META-INF/persistence.xml file, that it is available in your classpath, or > that the properties file you are using for configuration is available. If > you are using Ant, please see the <properties> or <propertiesFile> > attributes of the task's nested <config> element. This can also occur if > your OpenJPA distribution jars are corrupt, or if your security policy is > overly strict. > > Please help > Thanks > Dhirendra Rawal > -- > View this message in context: > http://n2.nabble.com/How-to-use-PCEnhancer-tp3533482p3533482.html > Sent from the OpenJPA Users mailing list archive at Nabble.com. >
