From project jasper report click a font problem solution way -

error page when project run :

Now describe this error :
At first show the sample report ( this image show as design mode ) - 

5 Arrow meaning from above image
1/ Design
2/ XML
3/ Preview
4/ Sql  query write
5/ Compile

n.b: 

report_aboutFont.jpg ::

For font error( http 500 ) solve I have to make jar using this font in jasper report By following way -