TileLayerPreview:Failed to load resource: the server responded with a status of 400 (Bad Request) - geoserver

I'm using Geoserver 2.13.0 created TileLayer with Point Geometry. While previewing tileLayer getting Error. Also inside gwc directory tile data is there. Everything look fine. But don't know why getting on browser console 400(Bad Request) Error.
Network Url of Bad Request Error:
http://localhost:8080/geoserver/gwc/service/wmts?layer=CacheTestWS%3AcacheTestGeometria&style=&tilematrixset=EPSG%3A4326&Service=WMTS&Request=GetTile&Version=1.0.0&Format=image%2Fpng&TileMatrix=EPSG%3A4326%3A8&TileCol=89&TileRow=77
If we see in Success request Network Request Type is coming png but in Error case showing text/html.
Below are the some of relvant images.
Any help is very appriciate.

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jmeter dont foud the path while is woring in the browser

i can't get a path response in jmter (http://localhost:3000/X) the reponse message is "not found" with 404 cod,while the path (http://localhost:3000) is working with 200 code any one to help please
you can click to see the response of each path
http://localhost:3000
http://localhost:3000/X
So what?
If you open https://stackoverflow.com/ in JMeter or browser you will get HTTP Status Code 200
If you open https://stackoverflow.com/X in JMeter or browser you will get HTTP Status Code 404 because this URL doesn't have any candidate page.
If you expect the non-existent page to return HTTP status code 404 and don't want JMeter to mark this result as failed - add a Response Assertion as a child of this request and configure it like:

image uploader in post free ad page is not working in osclass

I am new to Osclass. I have purchased shopclass theme. we are using jquery fine uploader plugin for image upload. when we are uploading image it shows error.
"[FineUploader 3.8.0] Error when attempting to parse xhr response text (Unexpected token < in JSON at position 61)"-this is the error shown in console.
The image is uploaded into temp folder but it does not shown in post and also shows uploading error in user end.Please help me to solve this problem.

XHR to same domain being blocked

I'm having a pretty weird problem with CORS on a webapp I'm trying to make
I'm using Servlets (Tomcat8.0) for the backend. It's a school project, so I can't use a framework
A GET request to http://localhost:8080/FileBox/dashboard
returns a JSON payload( plain json, not jsonp,which I could use, but its the same domain). I'm using ajax to make the XHR, but it's being blocked by chrome as CORS
Should this be happening, since I'm making the XHR from the same domain(host+port)
'localhost:8080/FileBox/dashboard.jsp'
to
'localhost:8080/FileBox/dashboard'
Please, and thank you for the help!
You aren't making a request to http://localhost:8080/FileBox/dashboard. The error message says you are making a cross-origin request using an unsupported scheme and that http is a supported scheme.
Presumably you have made the two mistakes of:
Getting the URL wrong
You should be using a relative URL:
/FileBox/dashboard
but are trying to use an absolute URL:
http://localhost:8080/FileBox/dashboard
but have typed it wrong and are actually requesting
localhost:8080/FileBox/dashboard
Not loading the page over HTTP to start with
Possibly by double clicking the file in your system file manager, you have bypassed your HTTP server and are loading something like file:///c:/users/you/yourproject/index.html
Combined with the previous mistake, you end up trying to request file:///c:/users/you/yourproject/localhost:8080/FileBox/dashboard, with Ajax and get a security violation.
Solution
Fix the URL to be a proper relative URL
Point your browser at http://localhost:8080 instead of double clicking files in your file manager

Jmeter: 302 Moved Temporarily

I was trying to issue a https request through jmeter and observed am getting below response.
<html><head><title>302 Moved Temporarily</title></head>
<body bgcolor="#FFFFFF">
<p>This document you requested has moved temporarily.</p>
And it seems the actual url redirecting to different url which is getting the Response Code 200 which is OK. [The first urls response code is 302]
Also I have given an assertion for the page being loaded, but still that assertion fails [when I saw the response data in HTML format, observed that the respective page is not loaded]
Any help in resolving this issue would be a great help.
Looking at: http://jmeter.apache.org/usermanual/component_reference.html#Response_Assertion
If you chose "Main sample and sub samples" it will include the responses from the redirects. So for example if you're searching for "string" it will also include the response from the redirected page.

AFNetworking 2.0: NSURLSessionDownloadTask is cancelled when received 302 to AWS S3

I'm using a simple example from the README file (from AFNetworking 2.0 page) to download an image. All works fine for the images served directly from my web-sever.
But for those located on the S3 the web-server returns 302 Redirect the following error:
Error Domain=NSURLErrorDomain Code=-999 "cancelled"
When I try to download the image (using the same code) directly from the S3 (omitting the redirection) I receive the same error.
I've checked the availability of the actual image with wget. The image is publicly available (https://youguide.s3.amazonaws.com/icons/user_96x96.png).
Anyone experience the similar problem?
I was having the same problem with S3 and seem to have resolved it. AFNetworking was returning a value in the authentication challenge handling logic that was canceling the request.
By telling the AFURLSessionManager how to handle authentication challenges I've fixed the problem.
[manager setSessionDidReceiveAuthenticationChallengeBlock:^NSURLSessionAuthChallengeDisposition (NSURLSession *session, NSURLAuthenticationChallenge *challenge, NSURLCredential * __autoreleasing *credential) {
return NSURLSessionAuthChallengePerformDefaultHandling;
}];

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