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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 1 post ] 
Author Message
 Post subject: Error while initting AnnotationConfiguration
PostPosted: Tue Jul 27, 2010 12:01 pm 
Newbie

Joined: Tue Jul 27, 2010 11:48 am
Posts: 1
Hi all :)

I'm having some issues getting Hibernate Annotations to work with my Vaadin project. I have the feeling it has something to do with my use of maven, as the error I get seems to come from the bytecode inserter used by Hibernate Annotations. If I try to setup my AnnotationConfiguration like this:
Code:
sessionFactory = new AnnotationConfiguration().configure(new File("c:\\projects\\hibernate.cfg.xml")).buildSessionFactory();

It gives me the following error:
Code:
java.lang.IncompatibleClassChangeError: Implementing class
   at java.lang.ClassLoader.defineClass1(Native Method)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
   at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
   at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
   at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
   at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:392)
   at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:363)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)
   at nl.bware.docSys.zeroFootprint.hibernate.HibernateUtil.getSessionFactory(HibernateUtil.java:23)
   at nl.bware.docSys.zeroFootprint.ZeroFootprintApplication.closeSession(ZeroFootprintApplication.java:75)
   at nl.bware.docSys.zeroFootprint.ZeroFootprintApplication.transactionEnd(ZeroFootprintApplication.java:52)
....etc

My pom.xml file looks like this:
Code:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>nl.bware.docSys</groupId>
    <artifactId>zeroFootprint</artifactId>
    <packaging>war</packaging>
    <version>1.0</version>
    <name>Zero Footprint</name>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   <hibernate-core-version>3.5.4-Final</hibernate-core-version>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>

            <!-- A simple Jetty test server at http://localhost:8080/zeroFootprint can be launched with the Maven goal jetty:run
        and stopped with jetty:stop -->
            <plugin>
                <groupId>org.mortbay.jetty</groupId>
                <artifactId>maven-jetty-plugin</artifactId>
                <version>6.1.24</version>
                <configuration>
                    <stopPort>9966</stopPort>
                    <stopKey>zeroFootprint</stopKey>
                    <!-- Redeploy every x seconds if changes are detected, 0 for no automatic redeployment -->
                    <scanIntervalSeconds>0</scanIntervalSeconds>
                    <!-- make sure Jetty also finds the widgetset -->
                    <webAppConfig>
                        <contextPath>/zeroFootprint</contextPath>
                        <baseResource implementation="org.mortbay.resource.ResourceCollection">
                            <!-- Workaround for Maven/Jetty issue http://jira.codehaus.org/browse/JETTY-680 -->
                            <!-- <resources>src/main/webapp,${project.build.directory}/${project.build.finalName}</resources> -->
                            <resourcesAsCSV>
                                src/main/webapp,${project.build.directory}/<!--${project.build.finalName}--></resourcesAsCSV>
                        </baseResource>
                    </webAppConfig>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>com.vaadin</groupId>
            <artifactId>vaadin</artifactId>
            <version>6.4.0</version>
        </dependency>
        <dependency>
            <groupId>nl.bware.commons</groupId>
            <artifactId>commons</artifactId>
            <version>1.0</version>
            <type>jar</type>
        </dependency>
      <dependency>
         <groupId>org.hibernate</groupId>
         <artifactId>hibernate-core</artifactId>
         <version>${hibernate-core-version}</version>
      </dependency>

      <dependency>
         <groupId>org.hibernate</groupId>
         <artifactId>hibernate-annotations</artifactId>
         <version>${hibernate-core-version}</version>
      </dependency>
    </dependencies>

</project>

Does anybody have a clue what's going on? More details can be provided on request, of course :)


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