#vulnerable code 
                                @Override
    public final String get(final String path,
                            final SlingHttpServletRequest request,
                            final SlingHttpServletResponse response) {


        if (!serveAuthenticatedFromCache && !isAnonymousRequest(request)) {
            // For authenticated requests, don't return from cache
            return ResourceDataUtil.getIncludeAsString(path, request, response);
        }

        final long start = System.currentTimeMillis();

        // Lock the cache because we we increment values within the cache even on valid cache hits
        synchronized (this.cache) {

            CacheEntry cacheEntry = cache.get(path);

            if (cacheEntry == null || cacheEntry.isExpired(new Date())) {

                // Cache Miss

                if (cacheEntry == null) {
                    cacheEntry = new CacheEntry();
                }

                final String data = ResourceDataUtil.getIncludeAsString(path, request, response);

                cacheEntry.setData(data);
                cacheEntry.setExpiresIn(ttl);
                cacheEntry.incrementMisses();

                // Add entry to cache
                cache.put(path, cacheEntry);

                log.info("Served cache MISS for [ {} ] in [ {} ] ms", path, System.currentTimeMillis() - start);

                return data;
            } else {
                // Cache Hit

                final String data = cacheEntry.getData();

                cacheEntry.incrementHits();
                cache.put(path, cacheEntry);

                log.info("Served cache HIT for [ {} ] in [ {} ] ms", path, System.currentTimeMillis() - start);

                return data;
            }
        }
    } 
                            #location 7 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                @Override
    public final String get(final String path,
                            final SlingHttpServletRequest request,
                            final SlingHttpServletResponse response) {


        if (!serveAuthenticatedFromCache && !isAnonymousRequest(request)) {
            // For authenticated requests, don't return from cache
            return ResourceDataUtil.getIncludeAsString(path, request, response);
        }

        final long start = System.currentTimeMillis();
        CacheEntry cacheEntry = cache.get(path);
        final boolean newEntry = cacheEntry == null;

        if (newEntry || cacheEntry.isExpired(new Date())) {

            // Cache Miss
            final String data = ResourceDataUtil.getIncludeAsString(path, request, response);

            if (newEntry) {
                cacheEntry = new CacheEntry();
            }

            cacheEntry.setData(data);
            cacheEntry.setExpiresIn(ttl);
            cacheEntry.incrementMisses();

            if (newEntry) {
                // Add entry to cache
                cache.put(path, cacheEntry);
            }

            log.info("Served cache MISS for [ {} ] in [ {} ] ms", path, System.currentTimeMillis() - start);

            return data;
        } else {
            // Cache Hit

            final String data = cacheEntry.getData();

            cacheEntry.incrementHits();
            cache.put(path, cacheEntry);

            log.info("Served cache HIT for [ {} ] in [ {} ] ms", path, System.currentTimeMillis() - start);

            return data;
        }
    }