improve "A JSONObject text must begin with '{' at character 1 of" error message

[ralfhauser]

at org.codehaus.jettison.json.JSONTokener.syntaxError(JSONTokener.java:463)
at org.codehaus.jettison.json.JSONObject.(JSONObject.java:206)
at org.codehaus.jettison.json.JSONObject.(JSONObject.java:313)

and then it cites the JSON where "{" is in the first position ?!?!

==> it turns out the by moving the json file from Windows to the invisble "\uFEFF" is prefixed (byte order mark (BOM))

==> please visualize that too !

[coheigea]

@ralfhauser Can you provide some sample json?

@coheigea You can find the mentiond json and a linux cmd for showing the invisible characters below:

• 20220922_InvalidJson_BOM.txt
• cat -vte 20220922_InvalidJson_BOM.txt | less

[ralfhauser]

"cat -vte " shows you