Question

这是我的代码

HTML

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:894)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

org.hibernate.exception.GenericJDBCException: Cannot open connection
    org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:140)
    org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:128)
    org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
    org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
    org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)
    org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
    org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:160)
    org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:81)
    org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473)
    com.fidzeal.fivebar.dao.RegUserDAOImpl.save(RegUserDAOImpl.java:35)
    com.fidzeal.fivebar.HomeController.registercontroll(HomeController.java:271)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    java.lang.reflect.Method.invoke(Unknown Source)
    org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
    org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
    org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
    org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
    org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
    org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Unknown database 'test')

JS函数

<form class="vfr-validate"
                          id="intl-numbers-list-form" action="${formAction}" method="post">                        


                    <div id="ion_error_non_eligible_chooser">          
                       <c:if test="${errorNonEligibleChooser == 'true'}">                            

                                              <p>
                                               <fmt:message key='com.vodafone.wlportal.portlet.ion.non.eligible.postpaid.crmt' bundle='${current_bundle}'/>
                                              </p>   
                                              <br>
                                              <a href="" class="btn btn-primary mr20">Vezi Oferte</a>                                                                                         

                       </c:if>
                    </div>

                          <div class="col-md-3">
                             <input id="input_phone_no" class="required width100 pull-left mb10 mobile_international" 
                                   type="text" maxlength="10"
                                   value="" name="phone_no">
                          </div>
                          <div class="col-md-3">
                             <c:choose>
                                <c:when test="${fn:length(requestScope.listFnF) >= listFnFMax || errorNonEligibleChooser == 'true'}">
                                   <button disabled="disabled" class="btn btn-primary disabled" id="ion_add"
                                   data-wa="true" 
                                   data-wa-type="portlet"
                                   data-wa-portlet-name='<fmt:message key="com.vodafone.wlportal.portlet.ion.wa.data.wa.portlet.name" bundle="${global_properties_bundle }"/>'
                                   data-wa-portlet-facet='<fmt:message key="com.vodafone.wlportal.portlet.ion.wa.data.wa.portlet.facet.web" bundle="${global_properties_bundle }"/>'
                                   data-wa-portlet-action='<fmt:message key="com.vodafone.wlportal.portlet.ion.wa.data.wa.portlet.action.add" bundle="${global_properties_bundle }"/>'
                                   >
                                      <fmt:message key="com.vodafone.wlportal.portlet.ion.add.fnf" bundle="${current_bundle}" />
                                   </button>
                                </c:when>
                                <c:otherwise>
                                   <button class="btn btn-primary browserion" id="ion_add" 
                                               onclick="return addFNFAction();"
                                   data-wa="true" 
                                   data-wa-type="portlet"
                                   data-wa-portlet-name='<fmt:message key="com.vodafone.wlportal.portlet.ion.wa.data.wa.portlet.name" bundle="${global_properties_bundle }"/>'
                                   data-wa-portlet-facet='<fmt:message key="com.vodafone.wlportal.portlet.ion.wa.data.wa.portlet.facet.web" bundle="${global_properties_bundle }"/>'
                                   data-wa-portlet-action='<fmt:message key="com.vodafone.wlportal.portlet.ion.wa.data.wa.portlet.action.add" bundle="${global_properties_bundle }"/>'
                                   >
                                      <fmt:message key="com.vodafone.wlportal.portlet.ion.add.fnf" bundle="${current_bundle}" />
                                   </button>

                                </c:otherwise>
                             </c:choose>
                          </div>



                    </div>                            

                 </form>

问题是在IE 11上，表单提交了2次。我尝试以function addFNFAction() { //console.log("addFNFAction"); var form = $("#intl-numbers-list-form"); if (form.valid() == true) { $('#ion_loader').show(); $('#ion_add').attr("disabled", true); form.submit(); } }和onclick两种方式制作onclick="return addFNFAction();"，结果与提交的结果相同。

Answer 1

这是因为你正在调用jQuery的submit方法，它再次调用提交处理程序。它可能导致对提交处理程序的递归调用

而是尝试调用dom的submit方法，还需要从处理程序返回false以停止按钮单击的默认操作;

function addFNFAction() {

  //console.log("addFNFAction");

  var form = $("#intl-numbers-list-form");
  if (form.valid() == true) {
    $('#ion_loader').show();
    $('#ion_add').attr("disabled", true);
    form[0].submit();
  }
  return false;
}

Answer 2

基本上，浏览器正在进行表单提交，然后您的点击处理程序再次提交表单。您应该删除按钮上的onclick处理程序，并将onsubmit处理程序添加到表单标记。

尝试将此作为您的初始表单标记： -

<form class="vfr-validate" id="intl-numbers-list-form" onSubmit=addFNFAction method="post">

您需要将JS功能更改为： -

function addFNFAction(event) {

        //console.log("addFNFAction");
        event.preventDefault();
        var form = $("#intl-numbers-list-form");
        if (form.valid() == true) {
            $('#ion_loader').show();
            $('#ion_add').attr("disabled", true);
            form.submit();
        }

}

函数中的.submit（）可以工作2次

2 个答案: