fix build.xml in samples/userguide
diff --git a/modules/samples/userguide/build.xml b/modules/samples/userguide/build.xml
index beed54d..1381a2e 100644
--- a/modules/samples/userguide/build.xml
+++ b/modules/samples/userguide/build.xml
@@ -36,6 +36,7 @@
     <target name="compile">
     		<mkdir dir="${classes.dir}" />
 		<javac srcdir="src" destdir="${classes.dir}">
+                        <exclude name="**/springboot/**/*.java" />
 			<classpath refid="axis.classpath" />
 		</javac>
 		<jar destfile="build/userguide.jar">