[GitHub] [incubator-dolphinscheduler] weiyuanyong opened a new issue #3172: cannot check condition [beforeDrop]Error: Syntax error, unrecognized expression: #function(t){return this.filter((function(e){return t.indexOf(e)<0}))}

Thu, 09 Jul 2020 03:27:17 -0700 


weiyuanyong opened a new issue #3172:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/3172


   this is js error log:cannot check condition [beforeDrop]Error: Syntax error, 
unrecognized expression: #function(t){return this.filter((function(e){return 
t.indexOf(e)<0}))}.
   
   dolphinscheduler version:1.3.1-release
   
   
操作流程：进入工作流编辑页面（即http://ip:8888/#/projects/definition/list/127），当给两个节点建立连接时，鼠标放开，则报上述js错误。
   经自己排查，定位到代码处：dag.js中JSP.handleEvent()处 -》 
jsPlumbHandle.js中this.JspInstance.bind('beforeDrop', function (info) 处 -》 
jsplumb.js中this.checkCondition函数处 抛出异常。
   
   此错误导致的后果是，工作流节点前后关系(preTask)无法保存。请问如何修复此问题，感谢！
   附上图片：
   
![scheduler-1](https://user-images.githubusercontent.com/3657319/87028732-a4014280-c211-11ea-9453-d11208819ff6.png)
   
![scheduler-2](https://user-images.githubusercontent.com/3657319/87028741-a794c980-c211-11ea-96b3-4cc2cac7602e.png)
   <img width="1193" alt="scheduler-3" 
src="https://user-images.githubusercontent.com/3657319/87028744-a95e8d00-c211-11ea-843f-07925421e41e.png";>
   


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