Improved: replaces java.rmi.server.UID by java.util.UUID

Not a big deal but better use java.util.UUID there.

framework/widget/src/main/java/org/apache/ofbiz/widget/renderer/macro/FtlWriter.java

@@ -18,23 +18,24 @@
  *******************************************************************************/
 package org.apache.ofbiz.widget.renderer.macro;
 
-import freemarker.core.Environment;
-import freemarker.template.Template;
-import freemarker.template.TemplateException;
-import org.apache.ofbiz.base.util.Debug;
-import org.apache.ofbiz.base.util.UtilMisc;
-import org.apache.ofbiz.base.util.template.FreeMarkerWorker;
-import org.apache.ofbiz.widget.renderer.VisualTheme;
-import org.apache.ofbiz.widget.renderer.macro.renderable.RenderableFtl;
-
 import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
-import java.rmi.server.UID;
 import java.util.Locale;
 import java.util.Map;
+import java.util.UUID;
 import java.util.WeakHashMap;
 
+import org.apache.ofbiz.base.util.Debug;
+import org.apache.ofbiz.base.util.UtilMisc;
+import org.apache.ofbiz.base.util.template.FreeMarkerWorker;
+import org.apache.ofbiz.widget.renderer.VisualTheme;
+import org.apache.ofbiz.widget.renderer.macro.renderable.RenderableFtl;
+
+import freemarker.core.Environment;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+
 /**
  * Processes FTL templates and writes result to Appendables.
  */
@@ -73,7 +74,7 @@ public void processFtlString(Appendable writer, Locale locale, String ftlString)
             environment.setVariable("modelTheme",
                     FreeMarkerWorker.autoWrap(visualTheme.getModelTheme(), environment));
             Reader templateReader = new StringReader(ftlString);
-            Template template = new Template(new UID().toString(), templateReader,
+            Template template = new Template(UUID.randomUUID().toString(), templateReader,
                     FreeMarkerWorker.getDefaultOfbizConfig());
             templateReader.close();
             environment.include(template);