} catch (NullPointerException e) {
// This happens in GAE since the sandbox contains no java.home directory
if (LOG.isWarnEnabled())
LOG.warn("Could not exclude JAVA_HOME, is this a sandbox jvm?");
}
urlSet = urlSet.excludePaths(System.getProperty("sun.boot.class.path", ""));
urlSet = urlSet.exclude(".*/JavaVM.framework/.*");
List<URL> rawIncludedUrls = urlSet.getUrls();
Set<URL> includeUrls = new HashSet<URL>();
boolean[] patternUsed = new boolean[includeJars.length];