I like to do variable substitution at the resource property file. I had tried this: Resource property file: common.name=What is the name? page.name.01=${common.name}
Jsp file: <bean:message key="page.name.01" /> The browser displayed the desired message properly. i.e. "What is the name?" is displayed properly. However, there was runtime error at the weblogic console: can't parse argument number common.name java.lang.IllegalArgumentException: can't parse argument number common.name at java.text.MessageFormat.makeFormat(MessageFormat.java:1339) at java.text.MessageFormat.applyPattern(MessageFormat.java:458) at java.text.MessageFormat.<init>(MessageFormat.java:350) at org.apache.struts.util.MessageResources.getMessage(MessageResources.java:302) at org.apache.struts.taglib.TagUtils.message(TagUtils.java:953) at org.apache.struts.taglib.bean.MessageTag.doStartTag(MessageTag.java:221) at jsp_servlet._prot._pages.__vbi_01._jsp__tag14(__vbi_01.java:711) at jsp_servlet._prot._pages.__vbi_01._jsp__tag2(__vbi_01.java:281) at jsp_servlet._prot._pages.__vbi_01._jspService(__vbi_01.java:133) at weblogic.servlet.jsp.JspBase.service(JspBase.java:34) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:184) at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:529) at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:447) at weblogic.servlet.jsp.PageContextImpl.include(PageContextImpl.java:163) at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:135) at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:149) at org.apache.struts.tiles.taglib.InsertTag.doInclude(InsertTag.java:761) at org.apache.struts.tiles.taglib.InsertTag$InsertHandler.doEndTag(InsertTag.java:893) at org.apache.struts.tiles.taglib.InsertTag.doEndTag(InsertTag.java:462) Please help. Thanks.