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access denied (java.net.SocketPermission 127.0.0.1:8080 connect,resolve)

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不要未来只要你来 2020-12-03 08:48

I have a Java Applet inserted on a simple HTML page located at http://localhost:8080/index.html:



        
      
      
      

        

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                 轻奢々 
              
              
    
                
                   轻奢々
                                             
                
                
                (楼主)
            
              
                  
    
                2020-12-03 09:02
              
    

            
    
            
    
              
              

    Update from @Kristian above saved my day.
    


    I had access denied (java.net.SocketPermission : connect,resolve) from an applet in a web application. 
    


    There had been change in our DNS, such that the IP of the load-balancer of the application server was not resolving to a name with domain. Therefore the suspected "cross-domain connection" from applet back to server was blocked.
I added crossdomain.xml with
    


    

  

    


    to /webapps and checked that it is accessible with http://:/crossdomain.xml
    
    
    
             
    
                                                        
    
            
    
            
    
              
                
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