Opening a channel shows a blank page in V13.4.6 after Upgrading from V12.6.13

Hi All,

When I try to deploy v13 upgraded code into higher environments.
CMS, site and console are loading fine, but on click of channel in CMS, it shows blank page. When I inspect and verify the network tab, below mentioned URL is returning 404. I don’t see any errors or exceptions in the logs. this works fine in local environment.

we are using single distribution.
I have also added nochannelinfo =true to the rest mounts.

Could you please help us in resolving the issue.

Request URL:

Channel Manager Troubleshooting - Bloomreach Experience - Open Source CMS

Thanks and Regards,
Yeshwanth Lagala.

Below info is shown in logs when i tried to access the channel in CMS.

28.12.2020 08:25:48 DEBUG http-nio-8080-exec-21 [HstsHeaderWriter.writeHeaders:129] Not injecting HSTS header since it did not match the requestMatcher$SecureRequestMatcher@2cd434bc

Do you get some interesting info if you enable logging for “org.hippoecm.hst.container.HstDelegateeFilterBean” ?

Hello @bcanvural

I don’t see any logs after enabling. Could you please suggest any.

Well, you should see SOME logs after enabling that. Maybe also enable logging for “org.hippoecm.hst.core.container.AbstractBaseOrderableValve” probably something is going wrong in the handshake between cms and the site. Specifically CmsSecurityValve would be of interest.

Another thing I notice is that the “destinationPath” query string contains context path. Can you share your hst platform host config and hst:myproject’s hst host config? maybe there’s a hst:showcontextpath property somewhere that should be toggled on or off.

Thank you @bcanruval
enabling showcontextport in platform and host configurations has resolved the issue.

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