Include jsp inside a JAR file called from a tag-lib is not found if path not normalized

Issue

• JSP does not compile complaining about an include file not found.

• Including a JSP throws JasperException "File not found".

  ERROR [io.undertow.request] (default task-7) UT005023: Exception handling request to /tld-war/index.jsp: org.apache.jasper.JasperException: /META-INF/tags/copyright.tag (JBWEB004251: An error occurred at line: 3 column: 1) JBWEB004036: File "./includes/include1.jsp" not found
          at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:45)
          at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:276)
          at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:91)
          at org.apache.jasper.compiler.Parser.processIncludeDirective(Parser.java:326)
          at org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:361)
          ...