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How can I redirect to a jsp page from my controller?

I did some searching prior to this and cannot find anything that fits my question. I have a Sprint Boot app with an initial page that every time a user goes to the index.jsp adds a number to a counter of visitors. They can go to the counter jsp will display the current count and a "Test Another Visit" link. There is another counter2.jsp page that if a user visits, it gives the current count plus one additional visit added to it. A "reset" link on each page should reset the counter to 0 and return the user to /counter or /counter two based on the page they clicked the reset button.
I have the following Rest Controller Method:
#RequestMapping("/reset")
public String reset(HttpServletRequest request, HttpSession session) {
String redirectUrl = "";
if(request.getRequestURL().toString().contains("/counter")) {
session.setAttribute("current", 0);
redirectUrl = "redirect:/counter";
} else if (request.getRequestURL().toString().contains("/counter2")) {
session.setAttribute("current", 0);
redirectUrl = "redirect:/counter2";
}
return redirectUrl;
}
Which gives me this error:
Can anyone please tell me what I am doing wrong and how to fix it? I am new to Spring.
Thank you,
I apologize in advance if I somehow 'asked" my question wrong, I know some people seem to get upset about that.
Also, this is not for an assignment, just personal practice.

Selenium made a sendKeys for two fields instead of one for some reason

I made a pretty simple selenium test, where I want to open web page, clear field value, start entering text for this field, select first value from the hint drop down.
Web site is aviasales.com (I just found some site with a lot of controls, this is not an advertisement)
I did
DriverFactory.getDriver().findElement(By.id("flights-origin-prepop-whitelabel_en")).clear();
and it was working perfectly, I also checked via console that this is the only one object on a page like:
document.getElementById('flights-origin-prepop-whitelabel_en')
So, in next line I'm sending value:
DriverFactory.getDriver().findElement(By.id("flights-origin-prepop-whitelabel_en")).sendKeys("LAX");
but it send LAX value for both "flights-origin-prepop-whitelabel_en" and "flights-destination-prepop-whitelabel_en" for some reason, then i tried
DriverFactory.getDriver().findElement(By.id("//input[#id='flights-destination-prepop-whitelabel_en'][#placeholder='Destination']")).sendKeys(destinationAirport);
but I got the same result:
What could be a reason and how to fix this?
Thank you!

Yep... there's some weird behavior going on there. The site is copying whatever is entered into the first field into the second for reason I don't understand. I gave up trying to understand it and found a way around it.
Whenever I write code that I know I'm going to reuse, I put them into functions. Here's the script code
driver.navigate().to(url);
setOrigin("LAX");
setDestination("DFW");
...and since you are likely to use these repeatedly, the support functions.
public static void setOrigin(String origin)
{
WebElement e = driver.findElement(By.id("flights-origin-prepop-whitelabel_en"));
e.click();
e.clear();
e.sendKeys(origin);
e.sendKeys(Keys.TAB);
}
public static void setDestination(String dest)
{
WebElement e = driver.findElement(By.id("flights-destination-prepop-whitelabel_en"));
e.click();
e.clear();
e.sendKeys(dest);
e.sendKeys(Keys.TAB);
}
You can see the functions but basically I click in the field, clear the text (because usually there's something already in there), send the text, and then press to move out of the field and choose the default (first choice).

The reason of your issue is the ORIGIN and DESTINATION inputbox binded keyboard event which used to supply an autocomplete list according to your typed characters.
The binded keyborad event breaks the normal sendKeys() functionality. I met similar case in my projects and questions on StackOverFlow.
I tried input 'GSO' into DESTINATION by sendKeys('GSO'), but I get 'GGSSOO' on page after the sendKeys() complete.
To resolve your problem, we can't use sendKeys(), we have to use executeScript() to set the value by javascript in backgroud. But executeScript() won't fire keyborad event so you won't get the autocomplete list. So we need find out a way to fire keyborady event after set value by javascript.
Below code snippet worked on chrome when i tested on aviasales.com:
private void inputAirport(WebElement targetEle, String city) {
String script = "arguments[0].value = arguments[1]";
// set value by javascript in background
((JavascriptExecutor) driver).executeScript(script, targetEle, city + "6");
// wait 1s
Thread.sleep(1000);
// press backspace key to delete the last character to fire keyborad event
targetEle.sendKeys(Keys.BACK_SPACE);
// wait 2s to wait autocomplete list pop-up
Thread.sleep(2000);
// choose the first item of autocomplete list
driver.findElement(By.cssSelector("ul.mewtwo-autocomplete-list > li:nth-child(1)")).click();
}
public void inputOrigin(String city) {
WebElement target = driver.findElement(By.id("flights-origin-prepop-whitelabel_en"));
return inputAirport(target, city);
}
public void inputDestination(String city) {
WebElement target = driver.findElement(By.id("flights-origin-prepopflights-destination-prepop-whitelabel_en"));
return inputAirport(target, city);
}

Selenium Java handle object(alert dialog) exception without delaying. (unpredictable Java pop-up)

Goal: alert pop up. whether it's shown or not, I want it to continue. if it shows, have to select the checkbox, and hit continue. if not, ignore.
Blocker: if alert shows, it will handle the action and dialog will be closed. but when it's not, selenium hangs there without handling condition when it's not shown.
background: I use UFT before, maybe my logic could be wrong.
the pop up is application alert(not systems), so assumed "switch to(),accept()/dismiss() won't work. and I will add handle alert right after login and within the login method below.
Selenium framework background. : we use selenium maven framework, serenity BDD. object is set at the beginning of the page. and serenity.properties handle the time out default and so on.
Pop up objects (if it appears):
#FindBy(xpath = "//input[#id='notification-ack']")
private WebElement PcoNoticeChbx; //this is a check box, needs to be checked
#FindBy(xpath = "//button[contains(.,'Continue')]")
private WebElement PcoNoticeContinueBtn;//button to close the alert
*Log in method *
public void loginIntoExtApplication(String baseURL, String loginURL, String uId, String pwd, String extAppEnv)throws Exception {
gotoExtLoginPage(baseURL, loginURL);
enterLoginCredential(uId, pwd);
openAt("https://" + extAppEnv + ".programportaltest.hrsa.gov/sdms-
extranet/index.xhtml");
My Approaches:
//1.
if (PcoNoticeChbx!=null) {
PcoNoticeChbx.click();
PcoNoticeContinueBtn.click();
} else {
System.out.println("Dialog didn't display, no need any action");
}
//2. hanged here after login actions.
if(!getDriver().findElements(By.xpath("//*[#id='submit']")).isEmpty()){
PcoNoticeChbx.click();
PcoNoticeContinueBtn.click();
}
else {
System.out.println("Dialog didn't display, no need any action");
}
//3. added to watch doesn't work, it shows pending, below code failed too. I ran my Maven in Junit in debug mode. it used to work fine. but watch elements always show (pending)..
boolean isPresent = getDriver().findElements(By.id("noticebox")).size() >0
System.out.println("the diaolog exist= " + isPresent);
//4. even tried the try-catch method.
try{
PcoNoticeChbx.click();
PcoNoticeContinueBtn.click();
}catch (Exception e){
// Printing logs for my report
Log.error("Report Category button element is not found.");
// After doing my work, now i want to stop my test case
throw(e);
}
return;
}
//5. tried list webelemets:
List temp = webdriver.findElements(org.openqa.selenium.By.id("noticebox"));
if (temp.Count > 0 && temp[0].Displayed) {
// script to execute if element is found
} else {
// continue the test
}
//6. and below
if (!WebDriver.findElements(By.xpath("//*[#id='submit']")).isEmpty()==true);
{
        //handle the dialog
    }
else{
//continue
}
// 7.tried with a boolean value, but it also hangs on here first steps
boolean Nbox = PcoNoticeChbx.isDisplayed(); {
if (Nbox==false)
{
System.out.println("Dialog didn't display, no need any action");
}
else if (Nbox==true) {
PcoNoticeChbx.click() ;
PcoNoticeContinueBtn.click();
}

If this is like the popups that I've dealt with they work like this:
Customer comes to site and the site checks for the existence of a cookie. If that cookie exists, the popup is never launched (ideal state). If that cookie does NOT exist (typical state), after a specified period of time a popup appears.
Customer dismisses the popup and a cookie is created with an expiration time
Once that expiration time passes, the cookie expires and the popup will fire again
You need to do some investigation and find the cookie that is created once the popup is dismissed. Clear your cache, browse to the site, and note all the cookies that exist. Wait for the popup and dismiss it. Now find the cookie that was just created and examine it. This is the cookie you need to create. There are a lot of tutorials on creating cookies. It's pretty straightforward.
Once you learn how to create the cookie, you add it to your script as described below:
Navigate to some page on the domain that you know doesn't exist, e.g. www.domain.com/some404page. We do this because it won't trigger the popup countdown and we need to be on the domain to create the cookie.
Create the cookie
Do your normal test
No more popups.

Solution found for my case.
this maybe very easy. but takes some times for me to research. hopefully it will help you.
after use of many methods, for this javascripts confirmation alert. i have used below method. all of help of .CurrentlyVisible() method. because this one, and i guess only this one will give you result even when the element does not exist or null..
if (element(NoticeContinueBtn).**isCurrentlyVisible**()==true) {
PcoNoticeChbx.click();
PcoNoticeContinueBtn.click();
//else just continue
}

Information on Server Is Not Updated

I've been testing HtmlUnit with a few sites; in all these sites,they have
elements such as a radio button or checkbox that when you click, then your
profile on that site is updated; you don't need to submit a form or
anything. But when I take the exact same actions with HtmlUnit, my profile
on the server is not really updated. Do I have to do something special
such as synchronizing the local copy of the page that HtmlUnit has with the
server so that the server sees the change? As an example, I have added my
code for switching my resume on a website from private/public and vice
versa. When I visit the page on a browser, all I have to do is click one
of the two radio buttons to make the resume public/private; but when I do
the same on HtmlUnit, and then go and visit the page on a browser to check, I can see that the information on the server hasn't been changed. I've
included my code below. Note that I have another method which logs in to
the site, and I know that I login correctly. Given this is happening
with my sites for me, I thought maybe there is something like synchronizing with the server that I'm not doing.
=====================================
public void update(String urlOfThePage)
{
// First, declare any element name or xapth that you are going to
use. String xpathOfIsPublicRadioButton = "//input[#id='privacy_show']";
String xpathOfIsPrivateRadioButton = "//input[#id='privacy_hide']";
// Get the first page
try
{
final HtmlPage resumePage = (HtmlPage) webclient.getPage(urlOfThePage);
CrawlerUtility.savePage(resumePage, "resumePage");
final HtmlRadioButtonInput makePublicRadioButton =
(HtmlRadioButtonInput)
resumePage.getFirstByXPath(xpathOfIsPublicRadioButton);
final HtmlRadioButtonInput makePrivateRadioButton =
(HtmlRadioButtonInput)
resumePage.getFirstByXPath(xpathOfIsPrivateRadioButton);
Page result = null;
if (isProfilePublic())
{
result = makePrivateRadioButton.click();
System.out.println("The Profile is changed to private
now.");
Thread.sleep(60000);
}
else
{
result = makePublicRadioButton.click();
System.out.println("The Profile is changed to public now.");
Thread.sleep(60000);
}
}
catch (Throwable e)
{
e.printStackTrace();
}//End of try/catch block.
}//End of update().

If you don't submit a form, then you may be using AJAX behind the scenes to send data to the server. HTML unit won't send the same to the server since it will not process the AJAX requests. What you need is something more sophisticated such as Sikuli http://www.sikuli.org which actually clicks on elements on your webpage in the exact same way a user does. You can also try Selenium (http://www.seleniumhq.org/) which is specific to web browsers.

Gwt reloading is getting called multiple times

I am developing web application with java-gwt. In one case i need to reload the browser tab, for that i used
"Window.Location.reload()", but it is reloading the browser continuosly, I do not know what might be the reason, Please look into the following code:
String existedLoginId = (String) Offline.get(GroupCookies.grpId.getCookieName());
String updatedLoginId = com.google.gwt.user.client.Window.Location.getParameter("groupId");
if (existedLoginId.equals(updatedLoginId)) {
LoginInfo.setSessionId(Cookies.getCookie(GroupCookies.dsessionId.getCookieName()));
} else {
**Window.Location.reload();**
}

Window.Location.reload() reloads the webpage once, as intended. The issue is that your code is being executed everytime.
If existedLoginId.equals(updatedLoginId) returns false, it will reload, then it will return false again, then it will reload ad nauseum.
If it is false, once, when it reloads, something should happen to make existedLoginId.equals(updatedLoginId), otherwise you will get a infinite loop.