And I face this issue after deploying. 17-Apr-2025 12:28:09.568 SEVERE [http-nio-8083-exec-1] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/jakartaDemo_war_exploded] threw exception [java.lang.NullPointerException: Cannot invoke "org.apache.struts2.ActionInvocation.getProxy()" because "invocation" is null] with root cause java.lang.NullPointerException: Cannot invoke "org.apache.struts2.ActionInvocation.getProxy()" because "invocation" is null at org.apache.struts2.components.Component.getNamespace(Component.java:448) at org.apache.struts2.components.Component.determineNamespace(Component.java:433) at org.apache.struts2.components.ServletUrlRenderer.renderFormUrl(ServletUrlRenderer.java:141) at org.apache.struts2.components.Form.populateComponentHtmlId(Form.java:232) at org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:797) at org.apache.struts2.components.UIBean.end(UIBean.java:551) at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:36) at org.apache.jsp.index_jsp._jspx_meth_s_005fform_005f0(index_jsp.java:192) at org.apache.jsp.index_jsp._jspService(index_jsp.java:141) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:456) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150) at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.handleRequest(StrutsPrepareAndExecuteFilter.java:151) at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.tryHandleRequest(StrutsPrepareAndExecuteFilter.java:137) at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:673) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1736) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:1583) 17-Apr-2025 12:28:09.854 SEVERE [http-nio-8083-exec-4] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/jakartaDemo_war_exploded] threw exception [java.lang.NullPointerException: Cannot invoke "org.apache.struts2.ActionInvocation.getProxy()" because "invocation" is null] with root cause java.lang.NullPointerException: Cannot invoke "org.apache.struts2.ActionInvocation.getProxy()" because "invocation" is null at org.apache.struts2.components.Component.getNamespace(Component.java:448) at org.apache.struts2.components.Component.determineNamespace(Component.java:433) at org.apache.struts2.components.ServletUrlRenderer.renderFormUrl(ServletUrlRenderer.java:141) at org.apache.struts2.components.Form.populateComponentHtmlId(Form.java:232) at org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:797) at org.apache.struts2.components.UIBean.end(UIBean.java:551) at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:36) at org.apache.jsp.index_jsp._jspx_meth_s_005fform_005f0(index_jsp.java:192) at org.apache.jsp.index_jsp._jspService(index_jsp.java:141) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:456) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150) at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.handleRequest(StrutsPrepareAndExecuteFilter.java:151) at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.tryHandleRequest(StrutsPrepareAndExecuteFilter.java:137) at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:673) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1736) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:1583)
On Thu, Apr 17, 2025 at 12:04 PM shankar sawate <sawateshankar...@gmail.com> wrote: > Thank you for your response. > > I'm using NetBeans 17 as the IDE, with Java 21, and running the > application on Tomcat 10.0.20. > The issue occurs when I try to run the web application from within the IDE. > > NetBeans shows the following error when the issue occurs: > > The s:form tag declares that it accepts dynamic attributes but does not > implement the required interface > > <%@page contentType="text/html" pageEncoding="UTF-8"%> > <%@ taglib prefix="s" uri="/struts-tags" %> > <!DOCTYPE html> > <html> > <head> > <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> > <title>JSP Page</title> > </head> > <body> > <h1>Hello World!</h1> > <s:form> <!-- The s:form tag declares that it accepts > dynamic attributes but does not implement the required interface --> > <s:textfield name="name" value="Enter U name"/> > <s:submit name="submit" value="Add" action="index"></s:submit> > </s:form> > </body> > </html> > > On Thu, Apr 17, 2025 at 10:59 AM Lukasz Lenart <lukaszlen...@apache.org> > wrote: > >> wt., 15 kwi 2025 o 09:57 shankar sawate <sawateshankar...@gmail.com> >> napisał(a): >> > While migrating to Struts 7.0.0, I'm encountering an issue when using >> the >> > <s:form> tag. Even though the tag is present like this >> > >> > jsp >> > <%--<s:form></s:form>--%> >> > I’m getting the following warning or error: >> > >> > The s:form tag declares that it accepts dynamic attributes but does not >> > implement the required interface >> >> It would be good to provide more details, when does it happen? What >> Java version do you use? Is this in an IDE or when running a webapp in >> a container? >> >> There are a bunch of examples which are working just fine, so I assume >> it's something wrong with your setup. >> https://github.com/apache/struts-examples/ >> >> >> Cheers >> Łukasz >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >> For additional commands, e-mail: user-h...@struts.apache.org >> >>
