simplesamlphp-1.9.1-1.1 not compatible with PHP8.1

[Mark Donnelly]

The 1.9.1-1.1 version of simplesamlphp that ships with Ubuntu 22.04 LTS/jammy does not work with PHP8.1, which is the default PHP. Specifically:
* There is a call in /usr/share/simplesamlphp/lib/SimpleSAML/Error/Assertion.php
  to "assert_options(ASSERT_QUIET_EVAL, 0);", which does not exist in PHP8.1
* There is some other bug that causes an infinite loop of redirects between a simplesamlphp
  SP and the IdP, with simplesamlphp logging in the system journal:
      Unable to save session.
      Exception: Serialization of 'DOMElement' is not allowed

Building the package with 1.19.5 fixes both of these issues.

[John P. Richardson (paul-reverendlinux)]

I too have hit this same issue with same result and work around. Looks like it was fixed in 1.19.4; https://github.com/simplesamlphp/simplesamlphp/issues/1545 .

[Ed Hillis (edhillis-su)]

I am pretty ignorant about package maintenance, please bear with me. When might we see this fixed in an update of the Ubuntu package?

Could you say more about "building the package with" 1.19.5? Again, simply ignorant here. I'm just looking for some language or terminology that might help me find documentation about how to do this.

Thanks!

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Roman Smid (smid-v)]

This also affects me. Any news on this?