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    <title>topic Re: AEM Cloud Service | How to check dispatcher cached files &amp;amp; headers | CORS issue in Adobe Experience Manager Questions</title>
    <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437268#M124847</link>
    <description>&lt;P&gt;Hi&amp;nbsp;&lt;LI-USER uid="17347174"&gt;&lt;/LI-USER&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;304 response status means it's served from cache and the content is not modified at the cache. Once you make the change at dispatcher, you need to flush the cache at dispatcher as well as CDN and then you will always get 200 response status with the updated header.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
    <pubDate>Mon, 17 Jan 2022 06:10:08 GMT</pubDate>
    <dc:creator>Asutosh_Jena_</dc:creator>
    <dc:date>2022-01-17T06:10:08Z</dc:date>
    <item>
      <title>AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437253#M124844</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am following the below article and made the changes to add few headers(Access-Control-Allow-Origin) to be cached along with the response. But if request the page or clientlibs the Access-Control-Allow-Origin header is not coming in the response(Status 304) and only if we pass "?" in the end of the URL, the header is appearing in the response with Status 200&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A href="https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/security/understand-cross-origin-resource-sharing.html?lang=en" target="_blank"&gt;https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/security/understand-cross-origin-resource-sharing.html?lang=en&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;We are using AEM as a cloud service and below are my questions&lt;/P&gt;&lt;P&gt;1. How do I debug where it went wrong.&lt;/P&gt;&lt;P&gt;2. How to see whether headers are cached properly in the dispatcher&lt;/P&gt;&lt;P&gt;3. Is there a way where we can make sure the CORS header(Access-Control-Allow-Origin) is present in the response always for every request when requested by 3rd party services&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sun, 16 Jan 2022 17:05:29 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437253#M124844</guid>
      <dc:creator>selvendranr9588</dc:creator>
      <dc:date>2022-01-16T17:05:29Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437268#M124847</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;LI-USER uid="17347174"&gt;&lt;/LI-USER&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;304 response status means it's served from cache and the content is not modified at the cache. Once you make the change at dispatcher, you need to flush the cache at dispatcher as well as CDN and then you will always get 200 response status with the updated header.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 06:10:08 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437268#M124847</guid>
      <dc:creator>Asutosh_Jena_</dc:creator>
      <dc:date>2022-01-17T06:10:08Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437274#M124851</link>
      <description>&lt;P&gt;As mentioned&amp;nbsp;&lt;LI-USER uid="7532759"&gt;&lt;/LI-USER&gt;&amp;nbsp;Try to clear the cache from Dispatcher &amp;amp; CDN if you have using.&lt;/P&gt;&lt;P&gt;Clearing the cache entirely will be required to ensure the headers are appropriately cached on the next request after a&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;/cache/headers&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;configuration update.&lt;/P&gt;&lt;H2&gt;Troubleshooting CORS&lt;/H2&gt;&lt;P&gt;Logging is available under&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;com.adobe.granite.cors:&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;enable&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;DEBUG&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;to see details about why a CORS request was denied&lt;/LI&gt;&lt;LI&gt;enable&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;TRACE&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;to see details about all requests going through the CORS handler.&lt;/LI&gt;&lt;/UL&gt;&lt;P&gt;Please refer this article to troubleshoot the CORS header issue:&amp;nbsp;&lt;A href="https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/security/understand-cross-origin-resource-sharing.html?lang=en" target="_blank" rel="noopener"&gt;Understand Cross-Origin Resource Sharing (CORS) with AEM | Adobe Experience Manager&lt;/A&gt;&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;Manually recreate XHR requests using curl, but make sure to copy all headers and details, as each one can make a difference; some browser consoles allow to copy the curl command&lt;/LI&gt;&lt;LI&gt;Verify if request was denied by the CORS handler and not by the authentication, CSRF token filter, dispatcher filters, or other security layers&lt;UL&gt;&lt;LI&gt;If CORS handler responds with 200, but&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;Access-Control-Allow-Origin&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;header is absent on the response, review the logs for denials under DEBUG in&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;com.adobe.granite.cors&lt;/LI&gt;&lt;/UL&gt;&lt;/LI&gt;&lt;LI&gt;If dispatcher caching of CORS requests is enabled&lt;UL&gt;&lt;LI&gt;Ensure the&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;/cache/headers&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;configuration is applied to&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;dispatcher.any&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;and the web server is successfully restarted&lt;/LI&gt;&lt;LI&gt;Ensure the cache was properly cleared after any OSGi or dispatcher.any configuration changes.&lt;/LI&gt;&lt;/UL&gt;&lt;/LI&gt;&lt;/UL&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Regards,&lt;/P&gt;&lt;P&gt;Raja&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 08:27:49 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437274#M124851</guid>
      <dc:creator>Raja-kp</dc:creator>
      <dc:date>2022-01-17T08:27:49Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437279#M124852</link>
      <description>&lt;P&gt;Yes. I followed this article and in AEM as Cloud Service how do I clear the complete Dispatcher cache ?&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 09:17:38 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437279#M124852</guid>
      <dc:creator>selvendranr9588</dc:creator>
      <dc:date>2022-01-17T09:17:38Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437281#M124853</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;LI-USER uid="7532759"&gt;&lt;/LI-USER&gt;&amp;nbsp;,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;In AEM as Cloud Service, How to clear the complete dispatcher and CDN(assuming OOTB Fastly CDN) Cache to see whether headers are reflected or not. Please let me know&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 09:19:29 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437281#M124853</guid>
      <dc:creator>selvendranr9588</dc:creator>
      <dc:date>2022-01-17T09:19:29Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437284#M124854</link>
      <description>&lt;P&gt;Navigate to the cache directory of the website where you have implemented the configuration change and delete all the files under the cache directory .&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Regards,&lt;/P&gt;&lt;P&gt;Raja&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 09:31:52 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437284#M124854</guid>
      <dc:creator>Raja-kp</dc:creator>
      <dc:date>2022-01-17T09:31:52Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437294#M124857</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;LI-USER uid="2018799"&gt;&lt;/LI-USER&gt;&amp;nbsp;,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;We are using AEM cloud service and please let me know how can we navigate to a folder and clean all the cache under it.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I want clear all the cache under /etc.clientlibs/*&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks in advance.&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 12:40:48 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437294#M124857</guid>
      <dc:creator>selvendranr9588</dc:creator>
      <dc:date>2022-01-17T12:40:48Z</dc:date>
    </item>
    <item>
      <title>Re: AEM Cloud Service | How to check dispatcher cached files &amp; headers | CORS issue</title>
      <link>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437308#M124860</link>
      <description>&lt;P&gt;Can you find the cache root directory from farm file or Virtual host of the website and let us know ?&lt;/P&gt;</description>
      <pubDate>Mon, 17 Jan 2022 15:30:47 GMT</pubDate>
      <guid>https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-cloud-service-how-to-check-dispatcher-cached-files-amp/m-p/437308#M124860</guid>
      <dc:creator>Raja-kp</dc:creator>
      <dc:date>2022-01-17T15:30:47Z</dc:date>
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