01.10.2019 20:12, Norbert Saint Georges wrote:
Hello,
I try different solutions to use the new API in Pascal.
I get good "service_mgr"
I pass spb.insertTag (st, isc_action_svc_trace_start);
I get the error "'Internal error when using API clap: read past EOF'" at 
serv.start (st, spb.getBufferLength (st), spb.getBuffer (st));

I can not find any documentation on the subject via goo, would you have a link 
of a functional example?

  Read doc\README.services_extension, chapter (3) "Services API extension - trace 
support".

----
Start user trace session :
        action
                isc_action_svc_trace_start

        parameter(s)
                isc_spb_trc_name : trace session name, string, optional
                isc_spb_trc_cfg  : trace session configuration, string, 
mandatory
----

I.e. you missed mandatory parameter isc_spb_trc_cfg.

Hope it helps,
Vlad

PS Also, you could use fbsvcmgr to try different SPB sequiences


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