IllegalArgumentException: URI is not hierarchical after updating to JBoss EAP 5.1.2?

Issue

• After updating from JBoss EAP 5.1.1 to JBoss EAP 5.1.2 our application that uses iLog is failing with the exception below:

java.lang.IllegalArgumentException: URI is not hierarchical
    at java.io.File.<init>(File.java:363)
    at org.jboss.net.protocol.file.FileURLConnection.<init>(FileURLConnection.java:62)
    at org.jboss.net.protocol.file.Handler.openConnection(Handler.java:40)
    at java.net.URL.openConnection(URL.java:945)
    at java.net.URL.openStream(URL.java:1010)
        at ilog.rules.xml.util.IlrXsdDefaultLocationResolver.resolveLocation(Unknown Source)
        ...

• An application deployed in JBoss EAp 5.1.2 and using third party tool to generate PDF document. Lately all pdf generated are getting corrupted with error listed above.