Error loading module 'res_pjsip.so': pjsip_tls_transport_restart

Asterisk Asterisk SIP
1

Hello,

I tried to install asterisk 20 according to the wiki, but pjsip fails to lod with the following error:

[Oct 31 14:56:06] ERROR[441436]: loader.c:283 module_load_error: Error loading module ‘res_pjsip.so’: /usr/lib/asterisk/modules/res_pjsip.so: undefined symbol: pjsip_tls_transport_restart

What did I do wrong please?

2

What instructions did you actually follow? Do you have a system install of PJSIP?

3

Hello,

I am trying to install asterisk 20 from the asterisk download site on raspberry 4 2 GB Linux 11 (bullseye, 32bit), using this as a howto:
https://wiki.asterisk.org/wiki/display/AST/Building+and+Installing+Asterisk

sudo ./configure
sudo make menuconfig
sudo make install
sudo make config
sudo make examples

in my second try, I tried “sudo ./configure --with-pjproject-bundled”
but with no effect.

In menuconfig, pjsip is enabled an I can see the message that it is built.

When I try to “sudo ./install_prereq install” then I get a warning that package “bash” will be removed among other essential files.

4

That’s not a platform I’m familiar with or have experience with. It’s entirely possible that stuff is lacking in an unexpected fashion resulting in the expectation of TLS support being present being incorrect.

5

I think I have found the reason: the error described in [ASTERISK-28933] res_pjsip.so fails to load when bundled pjproject is compiled without libssl - Digium/Asterisk JIRA covers what I have experienced. It seems that I build pjsip without libssl-dev first and when I later installed libssl-dev and ran the “make all” again, pjsip was not built correctly.

Now, it fails again, but with “undefined symbol: pj_ssl_cipher_name”

6

It sounds like your environment is just not… right. That should only happen if the headers say that PJSIP was built with OpenSSL support when it wasn’t.

7

I’m getting the same error on RockyLinux 8.

It appears that optimization is removing global symbols from the library, as enabling DONT_OPTIMIZE solves the missing symbol issue. I’ve opened an issue on Jira with the particulars. I’d ask the OP to enable DONT_OPTIMIZE and see if that solves the issue for them, too.

8

Hello tilghman,

sorry for my late reply. I gave up and just used the asterisk packages available in the raspberry repositories. While it is certainly not the newest release, it just works without the many pitfalls.

9

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