How to place objects from collection one after another? [duplicate]

How to place objects from collection one after another? [duplicate] - java

I want to generate a list o products using thymeleaf and bootstrap so that I have three products on a row.
If it weren't for the rows, I would have done something like:
<div class="col-sm-4" th:each="product, : ${products}">
<div class="product">
<h3 th:text="${product.name}">Product name</h3>
<img th:src="${product.imagePath}" />
</div>
</div>
But I want to enclose each three products in a <div class="row"> and I just can't figure out how to do this. Has anyone else stumbled upon this problem ? How can I achieve the desired output without explicitly creating lists of three products in the controller ?
Desired output
<div class="row">
<div class="col-sm-4">
<div class="product">
<h3>Product 1 name</h3>
<img src="/path/to/image" />
</div>
</div>
<div class="col-sm-4">
<div class="product">
<h3>Product 2 name</h3>
<img src="/path/to/image" />
</div>
</div>
<div class="col-sm-4">
<div class="product">
<h3>Product 3 name</h3>
<img src="/path/to/image" />
</div>
</div>
</div>
<div class="row">
<div class="col-sm-4">
<div class="product">
<h3>Product 1 name</h3>
<img src="/path/to/image" />
</div>
</div>
<div class="col-sm-4">
<div class="product">
<h3>Product 2 name</h3>
<img src="/path/to/image" />
</div>
</div>
<div class="col-sm-4">
<div class="product">
<h3>Product 3 name</h3>
<img src="/path/to/image" />
</div>
</div>
</div>

I would include Apache Commons Collections 4.1 and use ListUtils to partition the list and iterate like this:
<th:block th:with="partitions=${T(org.apache.commons.collections4.ListUtils).partition(products, 3)}">
<div class="row" th:each="partition: ${partitions}">
<div class="col-sm-4" th:each="product: ${partition}">
<div class="product">
<h3 th:text="${product.name}">Product name</h3>
<img th:src="${product.imagePath}" />
</div>
</div>
</div>
</th:block>

Related

NoSuchElementException - junit test error

I am using selenium junit testing.
If i try with selenium ide, the test goes well, but with junit it gives me this error:
org.openqa.selenium.NoSuchElementException: no such element: Unable to locate element: {"method":"css selector","selector":"#firstName"}
I think that the span doesn't redirect to the page it should (but in normal schedule it does).
#Test
public void adminCreateDoc() {
driver.get("http://localhost:8080/login");
driver.manage().window().setSize(new Dimension(550, 706));
driver.findElement(By.linkText("Accesso amministratori")).click();
driver.findElement(By.id("username")).sendKeys("8245");
driver.findElement(By.id("password")).click();
driver.findElement(By.id("password")).sendKeys("prova1");
driver.findElement(By.cssSelector(".btn")).click();
driver.findElement(By.id("btn_createDoc")).click();
driver.findElement(By.id("firstName")).click();
driver.findElement(By.id("firstName")).sendKeys("Marco");
driver.findElement(By.id("lastName")).click();
driver.findElement(By.id("lastName")).sendKeys("Battiato");
driver.findElement(By.id("doc_type")).click();
driver.findElement(By.id("doc_type")).sendKeys("Cardiologo");
driver.findElement(By.id("id")).click();
driver.findElement(By.id("id")).sendKeys("855555");
driver.findElement(By.id("password")).click();
driver.findElement(By.id("password")).sendKeys("prova1");
driver.findElement(By.cssSelector(".glyphicon-send")).click();
}
I've tried with xpath, but without success...
HTML page with span redirection:
<body>
<div class="container text-center">
<div align="center">
<h2>Gestione dottori</h2>
<table class="table table-striped table-responsive-md">
<tr>
<th>ID</th>
<th>Nome</th>
<th>Specialit&agrave</th>
</tr>
<tr th:each="doc: ${listDoc}">
<td th:text="${doc.getId()}"></td>
<td>Dr. <span th:text="${doc.getFirstName()}"></span> <span th:text="${doc.getLastName()}"></span></td>
<td th:text="${doc.getDoc_type()}"></td>
</tr>
</table>
<a th:href = "#{/admin_createdoc}"><span id="btn_createDoc" class="plus bg-dark" >+</span></a>
<hr>
<div class="col col-lg-2 align-self-center">
<div class="p-1">
<form th:action="#{/admin_logout}" method=post>
<button name="btn_logout_profile" id="btn_logout_profile"
type="submit" class="btn btn-primary">Log Out</button>
</form>
</div>
</div>
</div>
</div>
</body>
Which redirect to this page:
<body>
<div class="container">
<div class="d-flex align-items-center justify-content-start">
<form th:action="#{/admin_homepage}" method=get>
<button name="btn_back_profile" id="btn_back_profile" type="submit"
class="btn btn-info">
<span class="fas fa-chevron-left"></span>
</button>
</form>
</div>
<br>
<div style='text-align: center'>
<form class="well form-horizontal" action="#"
th:action="#{/saveDoctor}" th:object="${doc}" method="POST"
id="contact_form">
<fieldset>
<!-- Form Name -->
<legend>
<center>
<h2>
<b>Doctor Creation Form</b>
</h2>
</center>
</legend>
<br>
<!-- Text input-->
<div class="form-group">
<label class="col-md-4 control-label">First Name</label>
<div class="col-md-4 inputGroupContainer">
<div class="input-group">
<span class="input-group-addon"><i
class="glyphicon glyphicon-user"></i></span> <input name="first_name"
th:field="*{firstName}" placeholder="Doc First Name"
class="form-control" type="text" required>
</div>
</div>
</div>
<!-- Text input-->
<div class="form-group">
<label class="col-md-4 control-label">Last Name</label>
<div class="col-md-4 inputGroupContainer">
<div class="input-group">
<span class="input-group-addon"><i
class="glyphicon glyphicon-user"></i></span> <input name="last_name"
th:field="*{lastName}" placeholder="Doc Last Name"
class="form-control" type="text" required>
</div>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">Type</label>
<div class="col-md-4 inputGroupContainer">
<div class="input-group">
<span class="input-group-addon"><i
class="glyphicon glyphicon-list"></i></span> <input name="doc_type"
th:field="*{doc_type}" placeholder="Doc Type"
class="form-control" type="text" required>
</div>
</div>
</div>
<!-- Text input-->
<div class="form-group">
<label class="col-md-4 control-label">Id</label>
<div class="col-md-4 inputGroupContainer">
<div class="input-group">
<span class="input-group-addon"><i
class="glyphicon glyphicon-user"></i></span> <input name="id"
th:field="*{id}" placeholder="Doc ID" class="form-control"
type="number" required>
</div>
</div>
</div>
<!-- Text input-->
<div class="form-group">
<label class="col-md-4 control-label">Password</label>
<div class="col-md-4 inputGroupContainer">
<div class="input-group">
<span class="input-group-addon"><i
class="glyphicon glyphicon-user"></i></span> <input
th:field="*{password}" name="doc_password"
placeholder="Doc Password" class="form-control" type="password"
required>
</div>
</div>
</div>
<!-- Button -->
<div class="form-group" align="center">
<label class="col-md-4 control-label"></label>
<div class="col-md-4">
<br>
<button type="submit" class="btn btn-warning">
SUBMIT <span class="glyphicon glyphicon-send"></span>
</button>
</div>
</div>
</fieldset>
</form>
<div>
<form th:action="#{/admin_logout}" method=post>
<button name="btn_logout_profile" id="btn_logout_profile"
type="submit" class="btn btn-primary">Log Out</button>
</form>
</div>
</div>
</div>
</body>
Thank you for your time!

The failure is happening on this line
driver.findElement(By.id("firstName")).click();
ID as a CSS selector is #firstName. Since this is right after a page transition, my guess is that the page isn't fully loaded before the next line of code is run. This can sometimes happen on a modern site where the page is loaded but there's still stuff being loaded asynchronously in the background. The fix is to add a wait, specifically a WebDriverWait, to the following line. That is one option...
Instead of adding a wait piecemeal when it's found that you need it, I prefer to write helper methods that take care of common actions like click(), sendKeys(), etc. and then let those methods take care of the specific waits for me.
public void click(By locator) {
new WebDriverWait(driver, 10).until(ExpectedConditions.elementToBeClickable(locator)).click();
}
public void sendKeys(By locator, String text) {
findElement(locator).sendKeys(text);
}
public WebElement findElement(By locator) {
return new WebDriverWait(driver, 10).until(ExpectedConditions.visibilityOfElementLocated(locator));
}
Then you can change your script to
#Test
public void adminCreateDoc() {
driver.get("http://localhost:8080/login");
driver.manage().window().setSize(new Dimension(550, 706));
click(By.linkText("Accesso amministratori"));
sendKeys(By.id("username"), "8245");
sendKeys(By.id("password"), "prova1");
click(By.cssSelector(".btn"));
click(By.id("btn_createDoc"));
sendKeys(By.id("firstName"), "Marco");
sendKeys(By.id("lastName"), "Battiato");
sendKeys(By.id("doc_type"), "Cardiologo");
sendKeys(By.id("id"), "855555");
sendKeys(By.id("password"), "prova1");
click(By.cssSelector(".glyphicon-send"));
}
which I think makes it more readable, adds waits to everything in case it's needed with no extra code, and so on...
The next level is using the Page Object Model to contain the locators and methods for each page. Then your code gets cleaned up significantly, makes it near-human readable, and MUCH easier to manage.

Why invalid-feedback in thymeleaf not working

I required input it's work but why invalid-feedback not show in modal
HTML use thymeleaf
<!-- AddStore Modal -->
<div class="modal fade" id="AddUserModal" tabindex="-1" role="dialog" aria-labelledby="deleteModalLabel"
aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="AddUserModalLabel">Add Store Form</h5>
<button class="close" type="button" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<form autocomplete="off" action="#" th:action="#{/stores/add_store}"
th:object="${store}" method="post"
role="form" id="addModalForm">
<div class="form-row">
<div class="form-group col-md-6">
<label for="addstoreName">Store Name</label>
<input type="text" class="form-control" id="addstoreName" th:field="*{storeName}"
required="required"/>
<div class="invalid-feedback">
Please provide a store name.
</div>
</div>
</div>
<div class="form-row">
<div class="form-group col-md-6">
<label for="addStatus">Status</label>
<select id="addStatus" class="form-control" th:field="*{status}">
<option th:value="Ready_to_service">Ready to service</option>
<option th:value="Temporarily_closed">Temporarily closed</option>
<option th:value="Closed">Closed</option>
</select>
</div>
</div>
<div class="modal-footer">
<button class="btn btn-secondary" type="button" data-dismiss="modal">Cancel</button>
<button class="btn btn-success" type="submit" th:text="Save"></button>
</div>
</form>
</div>
</div>
</div>
</div>

Not sure if you found the solution or not as it looks like an old question.
You are missing to let Thymeleaf know about the field specific error. You havn't bind the invalid-feedback class to the "field" error. Try below piece of code.
<input type="text" class="form-control" id="addstoreName" th:field="*{storeName}" required="required"/>
<div class="invalid-feedback" th:if="${#fields.hasErrors('storeName')}" th:errors="*{storeName}"></div>
Take a look at the working example here. Here it will look like this:

Bootstrap styles does't work (no collapse)

The Collapse option doesn't work with my code. I took the example from the Bootstrap web.
https://getbootstrap.com/docs/4.0/examples/album/
I have Java project with this example in the .jsp file 1:1. Everything works, all required .js and .css files are included and when I start the app on my localhost and display source code I am able to open all linked libraries - so I suppose application knows about everything needed.
Could you please help me with the problem?
There are shown all .css and .js files references and project structure in screenshot files. The rest of the code is 1:1 with the example from the web.
I checked other similar topics but there were no satisfying answers.
<%# taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="/docs/4.0/assets/img/favicons/favicon.ico">
<title>Album example for Bootstrap</title>
<link rel="canonical" href="https://getbootstrap.com/docs/4.0/examples/album/">
<!-- Bootstrap core CSS -->
<link href="<c:url value="/resources/css/bootstrap.min.css"/>" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="<c:url value="/resources/css/album.css"/>" rel="stylesheet">
</head>
<body>
<header>
<div class="collapse bg-dark" id="navbarHeader">
<div class="container">
<div class="row">
<div class="col-sm-8 col-md-7 py-4">
<h4 class="text-white">About</h4>
<p class="text-muted">Add some information about the album below, the author, or any other background context. Make it a few sentences long so folks can pick up some informative tidbits. Then, link them off to some social networking sites or contact information.</p>
</div>
<div class="col-sm-4 offset-md-1 py-4">
<h4 class="text-white">Contact</h4>
<ul class="list-unstyled">
<li>Follow on Twitter</li>
<li>Like on Facebook</li>
<li>Email me</li>
</ul>
</div>
</div>
</div>
</div>
<div class="navbar navbar-dark bg-dark box-shadow">
<div class="container d-flex justify-content-between">
<a href="#" class="navbar-brand d-flex align-items-center">
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"></path><circle cx="12" cy="13" r="4"></circle></svg>
<strong>Album</strong>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarHeader" aria-controls="navbarHeader" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</div>
</div>
</header>
<main role="main">
<section class="jumbotron text-center">
<div class="container">
<h1 class="jumbotron-heading">Album example</h1>
<p class="lead text-muted">Something short and leading about the collection below—its contents, the creator, etc. Make it short and sweet, but not too short so folks don't simply skip over it entirely.</p>
<p>
Main call to action
Secondary action
</p>
</div>
</section>
<div class="album py-5 bg-light">
<div class="container">
<div class="row">
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</main>
<footer class="text-muted">
<div class="container">
<p class="float-right">
Back to top
</p>
<p>Album example is © Bootstrap, but please download and customize it for yourself!</p>
<p>New to Bootstrap? Visit the homepage or read our getting started guide.</p>
</div>
</footer>
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="<c:url value="/resources/js/jquery-3.3.1.slim.min.js"/>" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script>window.jQuery || document.write('<script src="../../assets/js/vendor/jquery-slim.min.js"><\/script>')</script>
<script src="<c:url value="/resources/js/popper.min.js"/>"></script>
<script src="<c:url value="/resources/js/bootstrap.min.js"/>"></script>
<script src="<c:url value="/resources/js/holder.min.js"/>"></script>
</body>
</html>

Dont know about .jsp but when you add CDN, its works fine
I just replaced your link and script file with CDN
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="/docs/4.0/assets/img/favicons/favicon.ico">
<title>Album example for Bootstrap</title>
<link rel="canonical" href="https://getbootstrap.com/docs/4.0/examples/album/">
<!-- Bootstrap core CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
</head>
<body>
<header>
<div class="collapse bg-dark" id="navbarHeader">
<div class="container">
<div class="row">
<div class="col-sm-8 col-md-7 py-4">
<h4 class="text-white">About</h4>
<p class="text-muted">Add some information about the album below, the author, or any other background context. Make it a few sentences long so folks can pick up some informative tidbits. Then, link them off to some social networking sites or contact information.</p>
</div>
<div class="col-sm-4 offset-md-1 py-4">
<h4 class="text-white">Contact</h4>
<ul class="list-unstyled">
<li>Follow on Twitter</li>
<li>Like on Facebook</li>
<li>Email me</li>
</ul>
</div>
</div>
</div>
</div>
<div class="navbar navbar-dark bg-dark box-shadow">
<div class="container d-flex justify-content-between">
<a href="#" class="navbar-brand d-flex align-items-center">
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"></path><circle cx="12" cy="13" r="4"></circle></svg>
<strong>Album</strong>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarHeader" aria-controls="navbarHeader" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</div>
</div>
</header>
<main role="main">
<section class="jumbotron text-center">
<div class="container">
<h1 class="jumbotron-heading">Album example</h1>
<p class="lead text-muted">Something short and leading about the collection below—its contents, the creator, etc. Make it short and sweet, but not too short so folks don't simply skip over it entirely.</p>
<p>
Main call to action
Secondary action
</p>
</div>
</section>
<div class="album py-5 bg-light">
<div class="container">
<div class="row">
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</main>
<footer class="text-muted">
<div class="container">
<p class="float-right">
Back to top
</p>
<p>Album example is © Bootstrap, but please download and customize it for yourself!</p>
<p>New to Bootstrap? Visit the homepage or read our getting started guide.</p>
</div>
</footer>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</body>
</html>

Form is not aligned properly after introducing struts2 tag

I want to align in one line but after I injected struts2 tags ..the fields are not aligned in one line.Please help me.I am beginner to struts2 but I tried my best to solve it but in vain.I am pretty sure that there must be some problems related to div tag but where is the exact problem that I am not able to figure out.
Below is my code of jsp page.
<!-- Main content -->
<div>
<s:form action="UpdateUserRoleByAdmin">
<s:iterator value="selectUserList">
<section class="content"> <!-- Small boxes (Stat box) -->
<div class="row">
<div class="contetpanel">
<div>
<div class="crevtbl">
<div class="crevtblRow">
<div class="crevtblCell">Name</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.fullName" value="%{fullName}"
size="40" />
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Address</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.userAddress"
value="%{userAddress}" size="40" />
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Username</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.userName"
value="%{userName}" size="40"/>
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Password</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.passWord" value="%{passWord}"
size="40" />
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Contact</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.userContact"
value="%{userContact}" size="40" />
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Email</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.userEmail" value="%{userEmail}"
size="40" />
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Date of Birth (YYYY-MM-DD)</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<s:textfield name="updateuser.userBirthDate"
value="%{userBirthDate}" size="40" />
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell">Role</div>
<div class="crevtblCell1">:</div>
<div class="crevtblCell2">
<select name="updateuser.userRole" class="adduserlistbox1">
<option>Admin</option>
<option>User</option>
</select>
</div>
</div>
<div class="crevtblRow">
<div class="crevtblCell"></div>
<div class="crevtblCell1"></div>
<div class="crevtblCell2">
<input type="submit" class="btn btn-primary" value="Update">
Cancel
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</s:iterator>
</s:form>

Struts2 uses themes to generate HTML. A different theme, a different HTML in output.
The default theme is XHTML, that generate your tags inside <td>, among the other things.
Since you've designed your HTML by yourself, and you're using divs instead of tables, just use the simple theme, that will not append almost any additional HTML to the expected one:
<s:form action="UpdateUserRoleByAdmin" theme="simple" >
If you like the effect, consider applying it once for all the application, by setting in struts.xml the following constant:
<constant name="struts.ui.theme" value="simple"/>

Invalid location of tag (form) in JSP Page

here is my code, I have used this code in jsp now when i am using form tag it is showing--invalid location of tag (form)
<div class="col-sm-12">
<div id="collapseTwo" class="panel-collapse collapse">
<div class="panel-body classPadding">
<form role="form" id="js-upload-form" > //INVALID LOCATION OF TAG(FORM)
<div class="col-sm-8 md-pl-0">
<div class="form">
<div class="form-group">
<input type="file" onchange="loadFile(event)" name="econoDataFile" accept="image/*" id="js-upload-files">
</div>
<h5 id="id-text-setting">Upload an Image of size 192*192</h5>
<img id="output" src="" class="save-img" />
</div>
</div>
<div class="col-sm-4">
<button class="btn btn-sm btn-primary" type="submit" id="js-upload-submit">Save</button>
</div>
</form>
<div class="form-group col-md-6 md-pl-0">
<span>Send to a Segment</span> <select id="segment-name" class="form-control">
<option value="-1" >All Subscribers</option> </select>
</div>
</div>
</div>
</div>

I had the same error, in my case the problem was that I had the form nested inside another form

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