Friday, September 21, 2012

NoClassDefFoundError: org/apache/lucene/util/Version






I make a project with blueprint-neo4j-graph and pellet , but pellet use lucene-core  2.3.1 and blueprint-neo4j-graph use lucene-core 3.5.0

I have a new error  in neo4j to load lucene version

Caused by: java.lang.NoClassDefFoundError: org/apache/lucene/util/Version
    at org.neo4j.index.impl.lucene.LuceneDataSource.<clinit>(LuceneDataSource.java:110)
    at org.neo4j.index.lucene.LuceneIndexProvider.load(LuceneIndexProvider.java:70)
    at org.neo4j.kernel.InternalAbstractGraphDatabase$DefaultKernelExtensionLoader.loadIndexImplementations(InternalAbstractGraphDatabase.java:1191)
    at org.neo4j.kernel.InternalAbstractGraphDatabase$DefaultKernelExtensionLoader.init(InternalAbstractGraphDatabase.java:1163)
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:382)
    ... 39 more
Caused by: java.lang.ClassNotFoundException: org.apache.lucene.util.Version
    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)
    ... 44 more



I have pellet dependence
    <dependency>
            <groupId>com.owldl</groupId>
            <artifactId>pellet</artifactId>
            <version>2.3.0</version>
        </dependency>
         <dependency>
            <groupId>com.tinkerpop.blueprints</groupId>
            <artifactId>blueprints-neo4j-graph</artifactId>
            <version>2.1.0</version>
        </dependency>

With plugin m2e resolve depencence add this code in pom.xml project 


    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.apache.lucene</groupId>
                <artifactId>lucene-core</artifactId>
                <version>3.5.0</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

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