jasper-xerces-grails.pom.xml

<!-- This is what you need to do to avoid conflict when using 
    JasperReport or xercesImpl in a mavenized Grails project -->
        <dependency>
            <groupId>jasperreports</groupId>
            <artifactId>jasperreports</artifactId>
            <version>${jasperreports.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>xml-apis</groupId>
                    <artifactId>xml-apis</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>xerces</groupId>
            <artifactId>xercesImpl</artifactId>
            <version>2.9.1</version>
            <scope>runtime</scope>
            <exclusions>
                <exclusion>
                    <groupId>xml-resolver</groupId>
                    <artifactId>xml-resolver</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>xml-apis</groupId>
                    <artifactId>xml-apis</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
<!-- ... -->