in src/main/java/org/apache/commons/logging/LogFactory.java [1558:1586]
private static void logClassLoaderEnvironment(final Class clazz) {
if (!isDiagnosticsEnabled()) {
return;
}
try {
// Deliberately use System.getProperty here instead of getSystemProperty; if
// the overall security policy for the calling application forbids access to
// these variables then we do not want to output them to the diagnostic stream.
logDiagnostic("[ENV] Extension directories (java.ext.dir): " + System.getProperty("java.ext.dir"));
logDiagnostic("[ENV] Application classpath (java.class.path): " + System.getProperty("java.class.path"));
} catch (final SecurityException ex) {
logDiagnostic("[ENV] Security setting prevent interrogation of system classpaths.");
}
final String className = clazz.getName();
ClassLoader classLoader;
try {
classLoader = getClassLoader(clazz);
} catch (final SecurityException ex) {
// not much useful diagnostics we can print here!
logDiagnostic("[ENV] Security forbids determining the classloader for " + className);
return;
}
logDiagnostic("[ENV] Class " + className + " was loaded via classloader " + objectId(classLoader));
logHierarchy("[ENV] Ancestry of classloader which loaded " + className + " is ", classLoader);
}