This artifact originates from the Orbit Project at Eclipse, it is an osgi bundle and is signed as well.
'org.eclipse.jetty.orbit:org.apache.jasper.glassfish:2.1.0.v201110031002'
<dependency>
<groupId>org.eclipse.jetty.orbit</groupId>
<artifactId>org.apache.jasper.glassfish</artifactId>
<version>2.1.0.v201110031002</version>
</dependency>
<dependency org="org.eclipse.jetty.orbit" name="org.apache.jasper.glassfish" rev="2.1.0.v201110031002"/>
"org.eclipse.jetty.orbit", "org.apache.jasper.glassfish", "2.1.0.v201110031002"