#fixed code
                                @Override
    public void run() {
        serverSpanThreadBinder().setCurrentSpan(currentServerSpan());
        wrappedRunnable().run();
    }
#vulnerable code 
                                @Override
    public void run() {
        serverSpanThreadBinder().setCurrentSpan(currentServerSpan());
        final long start = System.currentTimeMillis();
        try {
            wrappedRunnable().run();
        } finally {
            final long duration = System.currentTimeMillis() - start;
            currentServerSpan().incThreadDuration(duration);
        }
    } 
                            #location 9 
                            #vulnerability type NULL_DEREFERENCE