output: #fixed code
                                  @Override
      public Object execute() {
          // Configure command before execution
          introspector.getHystrixProperties()
                      .entrySet()
                      .forEach(entry -> setProperty(entry.getKey(), entry.getValue()));
  
          // Ensure our internal state is consistent with Hystrix
          if (introspector.hasCircuitBreaker()) {
              breakerHelper.ensureConsistentState();
              LOGGER.info("Enter: breaker for " + getCommandKey() + " in state " + breakerHelper.getState());
          }
  
          // Record state of breaker
          boolean wasBreakerOpen = isCircuitBreakerOpen();
  
          // Track invocation in a bulkhead
          if (introspector.hasBulkhead()) {
              bulkheadHelper.trackInvocation(this);
          }
  
          // Execute command
          Object result = null;
          Throwable throwable = null;
          long startNanos = System.nanoTime();
          try {
              result = super.execute();
          } catch (Throwable t) {
              throwable = t;
          }
  
          executionTime = System.nanoTime() - startNanos;
          boolean hasFailed = (throwable != null);
  
          if (introspector.hasCircuitBreaker()) {
              // Keep track of failure ratios
              breakerHelper.pushResult(throwable == null);
  
              // Query breaker states
              boolean breakerWillOpen = false;
              boolean isClosedNow = !isCircuitBreakerOpen();
  
              /*
               * Special logic for MP circuit breakers to support failOn. If not a
               * throwable to fail on, restore underlying breaker and return.
               */
              if (hasFailed) {
                  final Throwable throwableFinal = throwable;
                  Class<? extends Throwable>[] throwableClasses = introspector.getCircuitBreaker().failOn();
                  boolean failOn = Arrays.asList(throwableClasses)
                                         .stream()
                                         .anyMatch(c -> c.isAssignableFrom(throwableFinal.getClass()));
                  if (!failOn) {
                      restoreBreaker();       // clears Hystrix counters
                      updateMetricsAfter(throwable, wasBreakerOpen, isClosedNow, breakerWillOpen);
                      throw ExceptionUtil.wrapThrowable(throwable);
                  }
              }
  
              /*
               * Special logic for MP circuit breakers to support an arbitrary success
               * threshold used to return a breaker back to its CLOSED state. Hystrix
               * only supports a threshold of 1 here, so additional logic is required.
               */
              synchronized (breakerHelper.getSyncObject()) {
                  // If failure ratio exceeded, then switch state to OPEN_MP
                  if (breakerHelper.getState() == CircuitBreakerHelper.State.CLOSED_MP) {
                      double failureRatio = breakerHelper.getFailureRatio();
                      if (failureRatio >= introspector.getCircuitBreaker().failureRatio()) {
                          breakerWillOpen = true;
                          breakerHelper.setState(CircuitBreakerHelper.State.OPEN_MP);
                          runTripBreaker();
                      }
                  }
  
                  // If latest run failed, may need to switch state to OPEN_MP
                  if (hasFailed) {
                      if (breakerHelper.getState() == CircuitBreakerHelper.State.HALF_OPEN_MP) {
                          // If failed and in HALF_OPEN_MP, we need to force breaker to open
                          runTripBreaker();
                          breakerHelper.setState(CircuitBreakerHelper.State.OPEN_MP);
                      }
                      updateMetricsAfter(throwable, wasBreakerOpen, isClosedNow, breakerWillOpen);
                      throw ExceptionUtil.wrapThrowable(throwable);
                  }
  
                  // Check next state of breaker based on outcome
                  if (wasBreakerOpen && isClosedNow) {
                      // Last called was successful
                      breakerHelper.incSuccessCount();
  
                      // We stay in HALF_OPEN_MP until successThreshold is reached
                      if (breakerHelper.getSuccessCount() < introspector.getCircuitBreaker().successThreshold()) {
                          breakerHelper.setState(CircuitBreakerHelper.State.HALF_OPEN_MP);
                      } else {
                          breakerHelper.setState(CircuitBreakerHelper.State.CLOSED_MP);
                          breakerHelper.resetCommandData();
                      }
                  }
              }
  
              updateMetricsAfter(throwable, wasBreakerOpen, isClosedNow, breakerWillOpen);
          }
  
          // Untrack invocation in a bulkhead
          if (introspector.hasBulkhead()) {
              bulkheadHelper.untrackInvocation(this);
          }
  
          // Display circuit breaker state at exit
          if (introspector.hasCircuitBreaker()) {
              LOGGER.info("Exit: breaker for " + getCommandKey() + " in state " + breakerHelper.getState());
          }
  
          // Outcome of execution
          if (throwable != null) {
              throw ExceptionUtil.wrapThrowable(throwable);
          } else {
              return result;
          }
      }
input: #vulnerable code 
                                  @Override
      public Object execute() {
          // Configure command before execution
          introspector.getHystrixProperties()
                      .entrySet()
                      .forEach(entry -> setProperty(entry.getKey(), entry.getValue()));
  
          // Ensure our internal state is consistent with Hystrix
          if (introspector.hasCircuitBreaker()) {
              breakerHelper.ensureConsistentState();
              LOGGER.info("Enter: breaker for " + getCommandKey() + " in state " + breakerHelper.getState());
          }
  
          // Record state of breaker
          boolean wasBreakerOpen = isCircuitBreakerOpen();
  
          // Track invocation in a bulkhead
          if (introspector.hasBulkhead()) {
              bulkheadHelper.trackInvocation(this);
          }
  
          // Execute command
          Object result = null;
          Throwable throwable = null;
          long startNanos = System.nanoTime();
          try {
              result = super.execute();
          } catch (Throwable t) {
              throwable = t;
          }
  
          executionTime = System.nanoTime() - startNanos;
          boolean hasFailed = (throwable != null);
  
          if (introspector.hasCircuitBreaker()) {
              // Keep track of failure ratios
              breakerHelper.pushResult(throwable == null);
  
              // Query breaker states
              boolean breakerWillOpen = false;
              boolean isClosedNow = !isCircuitBreakerOpen();
  
              /*
               * Special logic for MP circuit breakers to support failOn. If not a
               * throwable to fail on, restore underlying breaker and return.
               */
              if (hasFailed) {
                  final Throwable throwableFinal = throwable;
                  Class<? extends Throwable>[] throwableClasses = introspector.getCircuitBreaker().failOn();
                  boolean failOn = Arrays.asList(throwableClasses)
                                         .stream()
                                         .anyMatch(c -> c.isAssignableFrom(throwableFinal.getClass()));
                  if (!failOn) {
                      restoreBreaker();       // clears Hystrix counters
                      updateMetricsAfter(throwable, wasBreakerOpen, breakerWillOpen);
                      throw ExceptionUtil.wrapThrowable(throwable);
                  }
              }
  
              /*
               * Special logic for MP circuit breakers to support an arbitrary success
               * threshold used to return a breaker back to its CLOSED state. Hystrix
               * only supports a threshold of 1 here, so additional logic is required.
               */
              synchronized (breakerHelper.getSyncObject()) {
                  // If failure ratio exceeded, then switch state to OPEN_MP
                  if (breakerHelper.getState() == CircuitBreakerHelper.State.CLOSED_MP) {
                      double failureRatio = breakerHelper.getFailureRatio();
                      if (failureRatio >= introspector.getCircuitBreaker().failureRatio()) {
                          breakerWillOpen = true;
                          breakerHelper.setState(CircuitBreakerHelper.State.OPEN_MP);
                          runTripBreaker();
                      }
                  }
  
                  // If latest run failed, may need to switch state to OPEN_MP
                  if (hasFailed) {
                      if (breakerHelper.getState() == CircuitBreakerHelper.State.HALF_OPEN_MP) {
                          // If failed and in HALF_OPEN_MP, we need to force breaker to open
                          runTripBreaker();
                          breakerHelper.setState(CircuitBreakerHelper.State.OPEN_MP);
                      }
                      updateMetricsAfter(throwable, wasBreakerOpen, breakerWillOpen);
                      throw ExceptionUtil.wrapThrowable(throwable);
                  }
  
                  // Check next state of breaker based on outcome
                  if (wasBreakerOpen && isClosedNow) {
                      // Last called was successful
                      breakerHelper.incSuccessCount();
  
                      // We stay in HALF_OPEN_MP until successThreshold is reached
                      if (breakerHelper.getSuccessCount() < introspector.getCircuitBreaker().successThreshold()) {
                          breakerHelper.setState(CircuitBreakerHelper.State.HALF_OPEN_MP);
                      } else {
                          breakerHelper.setState(CircuitBreakerHelper.State.CLOSED_MP);
                          breakerHelper.resetCommandData();
                      }
                  }
              }
  
              updateMetricsAfter(throwable, wasBreakerOpen, breakerWillOpen);
          }
  
          // Untrack invocation in a bulkhead
          if (introspector.hasBulkhead()) {
              bulkheadHelper.untrackInvocation(this);
          }
  
          // Display circuit breaker state at exit
          if (introspector.hasCircuitBreaker()) {
              LOGGER.info("Exit: breaker for " + getCommandKey() + " in state " + breakerHelper.getState());
          }
  
          // Outcome of execution
          if (throwable != null) {
              throw ExceptionUtil.wrapThrowable(throwable);
          } else {
              return result;
          }
      } 
                              #location 32 
                              #vulnerability type THREAD_SAFETY_VIOLATION