duplicate decrease for executes/actives when services throws exception. #PR: 4276

[haiyang1985]

• I have searched the issues of this repository and believe that this is not a duplicate.
• I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

• Dubbo version: 2.7.2
• Operating System version: Mac Os
• Java version: JDK 1.8

Steps to reproduce this issue

Fix for PR: #4276

Step 1: set executes to 1 in dubbo:service

<bean id="demoService" class="com.xxx."/>
<dubbo:service interface="com.xxx" ref="demoService" executes="1">
</dubbo:service>

Step 2:
Invoke service with two threads concurrent. The second one have been rate limited.

ExecutorService executorService = Executors.newFixedThreadPool(2);
for (int i = 0; i < 2; i++) {
  executorService.submit(new Runnable() {
    @Override
    public void run() {
      String result = service.sayHello(input);
      System.out.println(result);
    }
  });
}

Step 3:
Repeat step 2, all two requests have been passed.

Pls. provide [GitHub address] to reproduce this issue.

Expected Result

Step 3 should be rate limited.

Actual Result

Step 3 have not been rate limited.

If there is an exception, please attach the exception trace:

Just put your stack trace here!