According to TLD, tag bean:message must be empty, but is not

严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /register.jsp(52,60) According to TLD, tag bean:message must be empty, but is not
 at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
 at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
 at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:132)
 at org.apache.jasper.compiler.Parser.parseBody(Parser.java:1603)
 at org.apache.jasper.compiler.Parser.parseOptionalBody(Parser.java:978)
 at org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1246)
 at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1422)
 at org.apache.jasper.compiler.Parser.parse(Parser.java:130)
 at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:255)
 at org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)
 at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:185)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:347)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
 at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:326)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
 at java.lang.Thread.run(Unknown Source)

  <td colspan="2"><input type="submit" name="submit" value="<bean:message key="register.page.register"></input>"> <a
   href="login.jsp"><bean:message key="register.page.back"/></a></td>

错误原因是<bean:message key="register.page.register">

没有加上‘/’导致的，加上就可以了