i have trouble jsp form , can't make work. explain me why works :
<%@ page session="false"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ page iselignored="false"%> <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%> <form:form modelattribute="categoriesitem" method="post" action="facebook/categorize"> <fieldset> <form:select path="categories['${liste}']"> <option value="none" selected>none</option> <option value="family">family</option> <option value="professionnal">professionnal</option> <option value="friend">friend</option> </form:select> <input type="submit" /> </fieldset> </form:form> and doesn't ?
<%@ page session="false"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ page iselignored="false"%> <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%> <form:form modelattribute="categoriesitem" method="post" action="<c:url value="/facebook/categorize" />"> <fieldset> <form:select path="categories['${liste}']"> <option value="none" selected>none</option> <option value="family">family</option> <option value="professionnal">professionnal</option> <option value="friend">friend</option> </form:select> <input type="submit" /> </fieldset> </form:form> as can see, difference in action tag , yet, doesn't work , error :
org.apache.jasper.jasperexception: /web-inf/views/prehandlefacebook.jsp (line: 30, column: 24) tag <form:form non terminé org.apache.jasper.compiler.defaulterrorhandler.jsperror(defaulterrorhandler.java:42) org.apache.jasper.compiler.errordispatcher.dispatch(errordispatcher.java:443) org.apache.jasper.compiler.errordispatcher.jsperror(errordispatcher.java:133) org.apache.jasper.compiler.parser.parseoptionalbody(parser.java:992) org.apache.jasper.compiler.parser.parsecustomtag(parser.java:1274) org.apache.jasper.compiler.parser.parseelements(parser.java:1452) org.apache.jasper.compiler.parser.parse(parser.java:138) org.apache.jasper.compiler.parsercontroller.doparse(parsercontroller.java:242) org.apache.jasper.compiler.parsercontroller.parse(parsercontroller.java:102) org.apache.jasper.compiler.compiler.generatejava(compiler.java:198) org.apache.jasper.compiler.compiler.compile(compiler.java:373) org.apache.jasper.compiler.compiler.compile(compiler.java:353) org.apache.jasper.compiler.compiler.compile(compiler.java:340) org.apache.jasper.jspcompilationcontext.compile(jspcompilationcontext.java:646) org.apache.jasper.servlet.jspservletwrapper.service(jspservletwrapper.java:357) org.apache.jasper.servlet.jspservlet.servicejspfile(jspservlet.java:390) org.apache.jasper.servlet.jspservlet.service(jspservlet.java:334) javax.servlet.http.httpservlet.service(httpservlet.java:728) org.springframework.web.servlet.view.internalresourceview.rendermergedoutputmodel(internalresourceview.java:238) org.springframework.web.servlet.view.abstractview.render(abstractview.java:263) org.springframework.web.servlet.dispatcherservlet.render(dispatcherservlet.java:1208) org.springframework.web.servlet.dispatcherservlet.processdispatchresult(dispatcherservlet.java:992) org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:939) org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:856) org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:936) org.springframework.web.servlet.frameworkservlet.doget(frameworkservlet.java:827) javax.servlet.http.httpservlet.service(httpservlet.java:621) org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:812) javax.servlet.http.httpservlet.service(httpservlet.java:728) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:311) org.springframework.security.web.access.intercept.filtersecurityinterceptor.invoke(filtersecurityinterceptor.java:116) org.springframework.security.web.access.intercept.filtersecurityinterceptor.dofilter(filtersecurityinterceptor.java:83) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.access.exceptiontranslationfilter.dofilter(exceptiontranslationfilter.java:113) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.session.sessionmanagementfilter.dofilter(sessionmanagementfilter.java:101) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.authentication.anonymousauthenticationfilter.dofilter(anonymousauthenticationfilter.java:113) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.servletapi.securitycontextholderawarerequestfilter.dofilter(securitycontextholderawarerequestfilter.java:54) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.savedrequest.requestcacheawarefilter.dofilter(requestcacheawarefilter.java:45) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.authentication.www.basicauthenticationfilter.dofilter(basicauthenticationfilter.java:150) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.authentication.abstractauthenticationprocessingfilter.dofilter(abstractauthenticationprocessingfilter.java:182) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.authentication.logout.logoutfilter.dofilter(logoutfilter.java:105) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.context.securitycontextpersistencefilter.dofilter(securitycontextpersistencefilter.java:87) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:323) org.springframework.security.web.filterchainproxy.dofilter(filterchainproxy.java:173) org.springframework.web.filter.delegatingfilterproxy.invokedelegate(delegatingfilterproxy.java:346) org.springframework.web.filter.delegatingfilterproxy.dofilter(delegatingfilterproxy.java:259) org.springframework.web.filter.hiddenhttpmethodfilter.dofilterinternal(hiddenhttpmethodfilter.java:77) org.springframework.web.filter.onceperrequestfilter.dofilter(onceperrequestfilter.java:107) org.springframework.web.filter.characterencodingfilter.dofilterinternal(characterencodingfilter.java:88) org.springframework.web.filter.onceperrequestfilter.dofilter(onceperrequestfilter.java:107) could incompatibility between 2 el languages ?
this
action="facebook/categorize"> tells browser relativize facebook/categorize url on. if on www.myapp.com/myapp/facebook, when submit, browser post request www.myapp.com/myapp/facebook/facebook/categorize (which assume wrong). note if path instead /facebook/categorize (extra / @ start), appended host, not context.
this
action="<c:url value="/facebook/categorize" />"> gets rendered full path (relative context root). if host + context myapp.com/myapp, rendered myapp.com/myapp/facebook/categorize.
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