[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5329) NoClassDefFoundError when using Hibernate 3.5 with J2SE 1.4 because of a wrong catch block

[Francesco Poli (JIRA)]

NoClassDefFoundError when using Hibernate 3.5 with J2SE 1.4 because of a wrong catch block
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                 Key: HHH-5329
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5329
             Project: Hibernate Core
          Issue Type: Bug
          Components: core
    Affects Versions: 3.5.3, 3.5.2, 3.5.1, 3.5.0-Final
         Environment: Hibernate 3.5, Java SE 1.4 or J2EE 1.3
            Reporter: Francesco Poli
            Priority: Blocker


In org.hibernate.impl.SessionFactoryImpl is done this check when looking for concurrent classes during the creation of the SessionFactory:

Statistics concurrentStatistics = null;
try {
	Class concurrentStatsClass = ReflectHelper.classForName("org.hibernate.stat.ConcurrentStatisticsImpl");
	Constructor constructor = concurrentStatsClass.getConstructor(new Class[]{SessionFactoryImplementor.class});
	concurrentStatistics = (Statistics) constructor.newInstance(new Object[]{this});
	log.trace("JDK 1.5 concurrent classes present");
} catch (Exception noJava5) {
	log.trace("JDK 1.5 concurrent classes missing");
}

But what is thrown is a NoClassDefFoundError, which is not an Exception.
As a consequence, the catch block won't work and the error is propagated to the upper levels of the application.

I suggest to modify the catch arguments to match the correct type of the thrown object.
Thank you.

Bye

Francesco Poli



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