wsimport class name collision. When this error happen "A class/interface with the same name "" is already in use. Use a class customization to resolve this conflict"

pom.xml

<!-- usage of jax-ws maven plugin -->
			<plugin>
				<groupId>org.codehaus.mojo</groupId>
				<artifactId>jaxws-maven-plugin</artifactId>
				<version>1.12</version>
				<executions>
					<execution>
						<id>wsimport-from-jdk</id>
						<goals>
							<goal>wsimport</goal>
						</goals>
					</execution>
				</executions>
				<configuration>
					<!-- using wsdl from an url -->
					<wsdlUrls>
						<wsdlUrl>
							http://
						</wsdlUrl>
					</wsdlUrls>
					<keep>true</keep>
   					<verbose>true</verbose>
					<xjcArgs>
						<xjcArg>-XautoNameResolution</xjcArg>
					</xjcArgs>
				</configuration>
			</plugin>