#vulnerable code 
                                private static Object getValue(final V8Array array, final int index, final V8Map<Object> cache) {
        int valueType = array.getType(index);
        switch (valueType) {
            case V8Value.INTEGER:
                return array.getInteger(index);
            case V8Value.DOUBLE:
                return array.getDouble(index);
            case V8Value.BOOLEAN:
                return array.getBoolean(index);
            case V8Value.STRING:
                return array.getString(index);
            case V8Value.V8_FUNCTION:
                return IGNORE;
            case V8Value.V8_ARRAY_BUFFER:
                V8ArrayBuffer buffer = (V8ArrayBuffer) array.get(index);
                try {
                    return buffer.getBackingStore();
                } finally {
                    buffer.release();
                }
            case V8Value.V8_TYPED_ARRAY:
                V8Array typedArray = array.getArray(index);
                try {
                    return toByteBuffer(typedArray);
                } finally {
                    if (typedArray instanceof V8Array) {
                        typedArray.release();
                    }
                }
            case V8Value.V8_ARRAY:
                V8Array arrayValue = array.getArray(index);
                try {
                    return toList(arrayValue, cache);
                } finally {
                    if (arrayValue instanceof V8Array) {
                        arrayValue.release();
                    }
                }
            case V8Value.V8_OBJECT:
                V8Object objectValue = array.getObject(index);
                try {
                    return toMap(objectValue, cache);
                } finally {
                    if (objectValue instanceof V8Object) {
                        objectValue.release();
                    }
                }
            case V8Value.NULL:
                return null;
            case V8Value.UNDEFINED:
                return V8.getUndefined();
            default:
                throw new IllegalStateException("Cannot find type for index: " + index);
        }
    } 
                            #location 24 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                private static Object getValue(final V8Array array, final int index, final V8Map<Object> cache) {
        int valueType = array.getType(index);
        switch (valueType) {
            case V8Value.INTEGER:
                return array.getInteger(index);
            case V8Value.DOUBLE:
                return array.getDouble(index);
            case V8Value.BOOLEAN:
                return array.getBoolean(index);
            case V8Value.STRING:
                return array.getString(index);
            case V8Value.V8_FUNCTION:
                return IGNORE;
            case V8Value.V8_ARRAY_BUFFER:
                V8ArrayBuffer buffer = (V8ArrayBuffer) array.get(index);
                try {
                    return buffer.getBackingStore();
                } finally {
                    buffer.release();
                }
            case V8Value.V8_TYPED_ARRAY:
                V8Array typedArray = array.getArray(index);
                try {
                    return toTypedArray(typedArray);
                } finally {
                    if (typedArray instanceof V8Array) {
                        typedArray.release();
                    }
                }
            case V8Value.V8_ARRAY:
                V8Array arrayValue = array.getArray(index);
                try {
                    return toList(arrayValue, cache);
                } finally {
                    if (arrayValue instanceof V8Array) {
                        arrayValue.release();
                    }
                }
            case V8Value.V8_OBJECT:
                V8Object objectValue = array.getObject(index);
                try {
                    return toMap(objectValue, cache);
                } finally {
                    if (objectValue instanceof V8Object) {
                        objectValue.release();
                    }
                }
            case V8Value.NULL:
                return null;
            case V8Value.UNDEFINED:
                return V8.getUndefined();
            default:
                throw new IllegalStateException("Cannot find type for index: " + index);
        }
    }