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[Bug 1598990] Re: Cannot instantiate abstract class PluginImport

 

After I applied the above changes, and restored the DB to my Dev
enironment:

* updated the MNET setting to point to my Moodle Dev environment from the front-end;
* updated the host field in import_queue table to my Moodle Dev
* deleted the cron lock in the config table.


I get the following error:

 Running core cron import_process_queue
[WAR] b5 (api/xmlrpc/lib.php:1366) Undefined index: keypair_PEM
Call stack (most recent first):
  * log_message("Undefined index: keypair_PEM", 8, true, true, "/var/www/mahara/htdocs/api/xmlrpc/lib.php", 1366) at /var/www/mahara/htdocs/lib/errors.php:489
  * error(8, "Undefined index: keypair_PEM", "/var/www/mahara/htdocs/api/xmlrpc/lib.php", 1366, array(size 7)) at /var/www/mahara/htdocs/api/xmlrpc/lib.php:1366
  * OpenSslRepo->openssl_open("xxx", "xxx", true) at /var/www/mahara/htdocs/api/xmlrpc/lib.php:1093
  * xmlenc_envelope_strip(object(SimpleXMLElement), true) at /var/www/mahara/htdocs/api/xmlrpc/client.php:95
  * Client->send("http://d.general.moodle";) at /var/www/mahara/htdocs/import/lib.php:626
  * MnetImporterTransport->prepare_files() at /var/www/mahara/htdocs/import/lib.php:102
  * PluginImport->prepare() at /var/www/mahara/htdocs/import/lib.php:341
  * import_process_queue() at /var/www/mahara/htdocs/lib/cron.php:151


A simple check of in openssl_open():

* if (isset($keyset['keypair_PEM'])) {

should be wrapped around the call.

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https://bugs.launchpad.net/bugs/1598990

Title:
  Cannot instantiate abstract class PluginImport

Status in Mahara:
  New

Bug description:
  Mahara: 16.04.1
  OS: Linux
  DB: Postgres
  Browser: Firefox

  During the cron task run for core_import_process_queue, we are getting
  this error:

  PHP Fatal error:  Cannot instantiate abstract class PluginImport in
  /var/www/site-anu/import/lib.php on line 191

  The import_queue table has a few record with format = ''.

  It is trying to import leap2A data into Mahara from Moodle.

  The Moodle version is 2.7 which is using an older version of the
  submission plugin. But, that shouldn't matter.

  I think we need 2 things:

  1) Check that the format is correct in
  PluginImport::class_from_format(). If it's not correct, default it to
  leap.

  2) When the importer is created in import_process_queue(), it should
  be wrapped in the try/catch block.

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References