/** Load the given class name with the given class loader. */
public static Class loadClass(
String className,
ClassLoader loader,
boolean throwExceptionIfNotFound,
MetadataProject project) {
Class candidateClass = null;
try {
candidateClass = loader.loadClass(className);
} catch (ClassNotFoundException exc) {
if (throwExceptionIfNotFound) {
throw PersistenceUnitLoadingException.exceptionLoadingClassWhileLookingForAnnotations(
className, exc);
} else {
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
"persistence_unit_processor_error_loading_class",
exc.getClass().getName(),
exc.getLocalizedMessage(),
className);
}
} catch (NullPointerException npe) {
// Bug 227630: If any weavable class is not found in the temporary
// classLoader - disable weaving
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
AbstractSessionLog.WEAVER,
"persistence_unit_processor_error_loading_class_weaving_disabled",
loader,
project.getPersistenceUnitInfo().getPersistenceUnitName(),
className);
// Disable weaving (for 1->1 and many->1)only if the classLoader
// returns a NPE on loadClass()
project.disableWeaving();
} catch (Exception exception) {
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
AbstractSessionLog.WEAVER,
"persistence_unit_processor_error_loading_class",
exception.getClass().getName(),
exception.getLocalizedMessage(),
className);
} catch (Error error) {
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
AbstractSessionLog.WEAVER,
"persistence_unit_processor_error_loading_class",
error.getClass().getName(),
error.getLocalizedMessage(),
className);
throw error;
}
return candidateClass;
}
