#vulnerable code 
                                protected void callOnFinalState(final State<C> state, final C context) {
        try {
            if (onFinalStateHandler != null) {
                if (isTrace())
                    log.debug("when final state {} for {} <<<", state, context);

                onFinalStateHandler.call(state, context);

                if (isTrace())
                    log.debug("when final state {} for {} >>>", state, context);
            }

            synchronized (context) {
                callOnTerminate(context);
                context.notifyAll();
            }

        } catch (Exception e) {
            callOnError(new ExecutionError(state, null, e,
                "Execution Error in [EasyFlow.whenFinalState] handler", context));
        }
    } 
                            #location 7 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                protected void callOnFinalState(final State<C> state, final C context) {
        try {
            if (onFinalStateHandler != null) {
                if (isTrace())
                    log.debug("when final state {} for {} <<<", state, context);

                onFinalStateHandler.call(state, context);

                if (isTrace())
                    log.debug("when final state {} for {} >>>", state, context);
            }

            callOnTerminate(context);
        } catch (Exception e) {
            callOnError(new ExecutionError(state, null, e,
                "Execution Error in [EasyFlow.whenFinalState] handler", context));
        }
    }