Merge branch 'v1.5.0_dev_registerfun_log' into 'v1.5.0_dev'

注册函数失败时打印错误堆栈信息



See merge request !31

Author: zoudaokoulife

core/src/main/java/com/dtstack/flink/sql/util/FlinkUtil.java

@@ -180,7 +180,7 @@ public static void registerScalaUDF(String classPath, String funcName, TableEnvi
             logger.info("register scala function:{} success.", funcName);
         }catch (Exception e){
             logger.error("", e);
-            throw new RuntimeException("register UDF exception:" + e.getMessage());
+            throw new RuntimeException("register UDF exception:", e);
         }
     }
 
@@ -208,7 +208,7 @@ public static void registerTableUDF(String classPath, String funcName, TableEnvi
             logger.info("register table function:{} success.", funcName);
         }catch (Exception e){
             logger.error("", e);
-            throw new RuntimeException("register Table UDF exception:" + e.getMessage());
+            throw new RuntimeException("register Table UDF exception:", e);
         }
     }