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UL_UNRELEASED_LOCK

UL: Method does not release lock on all paths (UL_UNRELEASED_LOCK)
 This method acquires a JSR-166 (java.util.concurrent) lock,
but does not release it on all paths out of the method.  In general, the correct idiom
for using a JSR-166 lock is:

    Lock l = ...;
    l.lock();
    try {
        // do something
    } finally {
        l.unlock();
    }