Hi all..
I'm newbie when talk about hibernate search. Before I post here, 
I'd google the stacktrace first, but found no result at all.
Because I'm newcomers on this area, I try the example described on hibernate search docs. My real application is using spring and spring JPA transaction manager, but I still get the error, then I just write unit test that described precisely on the docs. This is my unit test method:
Code:
    @Test
   public void simpleSearchTest() {
      final String keywords = "years";
      EntityManager entityManager = Persistence.createEntityManagerFactory("default").createEntityManager();
      entityManager.getTransaction().begin();
      FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
      QueryBuilder qb = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(Note.class).get();
      org.apache.lucene.search.Query query = qb.keyword().onFields("title").matching(keywords).createQuery();
      javax.persistence.Query persistenceQuery = fullTextEntityManager.createFullTextQuery(query, Note.class);
      @SuppressWarnings("unchecked")
      List<Note> result = persistenceQuery.getResultList();
      
      entityManager.getTransaction().commit();
      entityManager.close();
      
      Assert.assertNotNull(result);
   }
And this is my persistence.xml:
Code:
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/persistence persistence_2_0.xsd"
   version="2.0">
   
   <persistence-unit name="default">
      <provider>org.hibernate.ejb.HibernatePersistence</provider>
      
        <class>org.xsalefter.notefinder.entity.Note</class>
        
      <properties>
         <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
         <property name="hibernate.show_sql" value="true" />
         <property name="hibernate.format_sql" value="false" />
         <property name="hibernate.hbm2ddl.auto" value="update" />
            
            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/notefinder_test" />
            <property name="javax.persistence.jdbc.user" value="root" />
            <property name="javax.persistence.jdbc.password" value="admin" />
            
            <!-- Lucene -->
            <property name="hibernate.search.default.directory_provider"  value="filesystem" /> 
            <property name="hibernate.search.default.indexBase" value="G:/VarEtcTmpLog/lucene/index/notefinder" />
      </properties>
   </persistence-unit>
</persistence>
And here is the stacktrace:
Code:
java.lang.VerifyError: class org.hibernate.search.reader.impl.CacheableMultiReader overrides final method incRef.()V
   at java.lang.ClassLoader.defineClass1(Native Method)
   at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
   at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
   at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
   at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
   at org.hibernate.search.query.engine.impl.HSQueryImpl.buildSearcher(HSQueryImpl.java:596)
   at org.hibernate.search.query.engine.impl.HSQueryImpl.buildSearcher(HSQueryImpl.java:495)
   at org.hibernate.search.query.engine.impl.HSQueryImpl.queryEntityInfos(HSQueryImpl.java:239)
   at org.hibernate.search.query.hibernate.impl.FullTextQueryImpl.list(FullTextQueryImpl.java:209)
   at org.hibernate.search.jpa.impl.FullTextQueryImpl.getResultList(FullTextQueryImpl.java:147)
   at org.xsalefter.notefinder.test.SearchTest.simpleSearchTest(SearchTest.java:58)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
   at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
   at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
   at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
   at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
   at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
   at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
   at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
   at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
   at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
   at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
   at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
I'm using JDK 6, Hibernate 4.1.0, Hibernate Search 4.1.0, and maven 3. Any suggestion about what I need to do for this?
Thanks,
xsalefter
PS: I want to put all maven dependency here, but this post is going too long already, and IMO most app dependency not relevant with the error (except for hibernate).