checkstyle-frames.xsl shows no data

I am running the xml generated by checkstyle through
checkstyle-frames.xsl.  However, I don't get any data in my html file
(I DO get data if I use checkstyle-noframes.xsl).

Any idea what I'm doing wrong?

Here's the GANT script snippet (uses the built-in AntBuilder object to
call the Ant task):



    Ant.checkstyle(config:"config/checkstyle.xml",
failOnViolation:"false", failureProperty:"checks.failed") {
		formatter(type:"plain")
		formatter(type:"xml",
tofile:"target/reports/checkstyle/checkstyle_report.xml")
		fileset(dir:"src/java"){
		    include(name:"**/*.java")
		}
      }

    Ant.xslt(in: "target/reports/checkstyle/checkstyle_report.xml",
out:"target/reports/checkstyle/checkstyle_report.html", style:
"checkstyle-frames.xsl")


I'm using Checkstyle 5.5 and the xsl from the 5.5 download.

Thanks!

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