static boolean unregisterJar(List<String> jarsToUnregister) {
LogHelper console = getConsole();
try {
Utilities.removeFromClassPath(jarsToUnregister.toArray(new String[0]));
console.printInfo("Deleted " + jarsToUnregister + " from class path");
return true;
} catch (Exception e) {
console.printError(
"Unable to unregister " + jarsToUnregister + "\nException: " + e.getMessage(),
"\n" + org.apache.hadoop.util.StringUtils.stringifyException(e));
return false;
}
}
static void registerJars(List<String> newJars) throws IllegalArgumentException {
LogHelper console = getConsole();
try {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
ClassLoader newLoader = Utilities.addToClassPath(loader, newJars.toArray(new String[0]));
Thread.currentThread().setContextClassLoader(newLoader);
SessionState.get().getConf().setClassLoader(newLoader);
console.printInfo("Added " + newJars + " to class path");
} catch (Exception e) {
String message = "Unable to register " + newJars;
throw new IllegalArgumentException(message, e);
}
}