app data update

cat-core/src/main/java/com/dianping/cat/DomainManager.java

@@ -121,7 +121,6 @@ public class DomainManager implements Initializable, LogEnabled {
 			return true;
 		} catch (Exception ex) {
 			Cat.logError(ex);
-			ex.printStackTrace();
 		}
 		return false;
 	}

cat-core/src/main/java/com/dianping/cat/config/app/AppDataService.java

@@ -73,7 +73,6 @@ public class AppDataService {
 			}
 		} catch (Exception e) {
 			Cat.logError(e);
-			e.printStackTrace();
 		}
 		return null;
 	}
@@ -129,7 +128,6 @@ public class AppDataService {
 			}
 		} catch (Exception e) {
 			Cat.logError(e);
-			e.printStackTrace();
 		}
 
 		return value;