[I] [Feature Request]: Check syntax of Environment configuration files (hop)

["gmitter-ef (via GitHub)" <gi...@apache.org>]

gmitter-ef opened a new issue, #5183:
URL: https://github.com/apache/hop/issues/5183

   ### What would you like to happen?
   
   In the Hop GUI, when choosing "Select" in an Environment to add a JSON environment config file, you get no indication if the content is syntactically correct. Only after "Edit" you see if the JSON was correctly loaded.
   
   I think in case of JSON configuration files that are added via "Select", they should NOT be loaded to the environment at all when the syntax is _wrong_, and should not be kept in the list of "Configuration files" secion in the "Environment Properties" dialog.
   
   Even worse, in case it's a _valid_ JSON syntax, but the key names are wrong (e.g "valuee" instead of "value", see below), no error or warning is displayed at all, the value remains simply null / empty.
   
   E.g.:
   {
       "variables": [{
               "name": "MY_VAR",
               "valuee": "my_value",
               "description": ""
           }
       ]
   }
   
   Also the reload of the project works without error/warning.
   
   Similarly, when adding a JSON file to an environment via "--environment-config-files" of "hop-conf.sh" you see an error in the log output (in case of wrong JSON syntax), but still the JSON will be added to the environment.
   
   ![Image](https://github.com/user-attachments/assets/93abe321-4c3c-4ade-8862-89b61d8f4e58)
   
   ### Issue Priority
   
   Priority: 3
   
   ### Issue Component
   
   Component: Hop Gui, Component: Hop Config


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