jodd-core/src/main/java/jodd/util/ThreadUtil.java
public static void join(final Thread thread) {
		try {
			thread.join();
		} catch (InterruptedException inex) {
			Thread.currentThread().interrupt();
		}
	}
public static void join(final Thread thread) {
		try {
			thread.join();
		} catch (InterruptedException inex) {
			Thread.currentThread().interrupt();
		}
	}
---------------------------------------------------------------- join