Curl returns empty reply from server. Due to the processing of special characters, curl cannot be accessed and the browser can access it.

Use the browser for normal access.
When using curl access, either appear
Return Empty Reply from Server or display

Through a number of experiments and Windows under the curl comparison, found that the access path has & AMP; Character, resulting in truncation.
When you add double quotes, you can access it normally
Both curl “http://x.x.x.x:8080/wserver?r=x& s=x& ./”

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