Hi:
  Looking at ContextBase.java in master branch,  in line 65, executorService is instantiated by

ThreadPoolExecutor(int corePoolSize,
                          int maximumPoolSize,
                          long keepAliveTime,
                          TimeUnit unit,
                          BlockingQueue<Runnable> workQueue)

Would it be simple to replace this line 42 and line 45 with
ExecutorService executorService = Executors.newSingleThreadExecutor();

I tested above codes successfully with scan_LOGBACK_474( ) in ReconfigureOnChangeTest.java with Jdk 1.7_06 ,

 // CORE_POOL_SIZE must be 1 for JDK 1.5. For JD 1.6 or higher it's set to 0
 // so that there are no idle threads
  private static final int CORE_POOL_SIZE = EnvUtil.isJDK5() ? 1 : 0;

// 0 (JDK 1,6+) or 1 (JDK 1.5) idle threads, 2 maximum threads, no idle waiting
  ExecutorService executorService = new ThreadPoolExecutor(CORE_POOL_SIZE, 2,
          0L, TimeUnit.MILLISECONDS,
          new LinkedBlockingQueue<Runnable>());



Ming Qin

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