Incompatible magic value 0 in class file

[Ranga_Tolapi]

When I hit the URL
http://localhost:8399/arcgis/rest/services/Geometry/GeometryServer?f=pjson
in the browser or from code, got the below json response.

{"error": {
"code": 500,
"message": "Incompatible magic value 0 in class file org/apache/jsp/www/geometryserver/geometryserver_002djson_jsp",
"details": []
}}

What could be the reason and solution for this. Appreciate you support.

[Ranga_Tolapi]

I resolved this issue.

Deleted the file
D:\ArcGIS\java\manager\service\tomcat\managerappserver\work\Catalina\localhost\arcgis_rest\org\apache\jsp\www\geometryserver\geometryserver_002djson_jsp.class

At my next visit to the json url of GeometryService, geometryserver_002djson_jsp.class file recreated with out any error.