底层Log调优，应用正常终止取消异常栈信息打印；

xxl-job-core/src/main/java/com/xxl/job/core/thread/ExecutorRegistryThread.java

@@ -59,15 +59,20 @@ public class ExecutorRegistryThread extends Thread {
 
                         }
                     } catch (Exception e) {
+                        if (!toStop) {
                             logger.error(e.getMessage(), e);
                         }
 
+                    }
+
                     try {
                         TimeUnit.SECONDS.sleep(RegistryConfig.BEAT_TIMEOUT);
                     } catch (InterruptedException e) {
+                        if (!toStop) {
                             logger.warn(">>>>>>>>>>> xxl-job, executor registry thread interrupted, error msg:{}", e.getMessage());
                         }
                     }
+                }
 
                 // registry remove
                 try {

xxl-job-core/src/main/java/com/xxl/job/core/thread/JobLogFileCleanThread.java

@@ -82,15 +82,20 @@ public class JobLogFileCleanThread extends Thread {
                         }
 
                     } catch (Exception e) {
+                        if (!toStop) {
                             logger.error(e.getMessage(), e);
                         }
 
+                    }
+
                     try {
                         TimeUnit.DAYS.sleep(1);
                     } catch (InterruptedException e) {
+                        if (!toStop) {
                             logger.error(e.getMessage(), e);
                         }
                     }
+                }
                 logger.info(">>>>>>>>>>> xxl-job, executor JobLogFileCleanThread thread destory.");
 
             }

xxl-job-core/src/main/java/com/xxl/job/core/thread/TriggerCallbackThread.java

@@ -76,9 +76,11 @@ public class TriggerCallbackThread {
                             }
                         }
                     } catch (Exception e) {
+                        if (!toStop) {
                             logger.error(e.getMessage(), e);
                         }
                     }
+                }
 
                 // last callback
                 try {
@@ -88,8 +90,10 @@ public class TriggerCallbackThread {
                         doCallback(callbackParamList);
                     }
                 } catch (Exception e) {
+                    if (!toStop) {
                         logger.error(e.getMessage(), e);
                     }
+                }
                 logger.info(">>>>>>>>>>> xxl-job, executor callback thread destory.");
 
             }