linux-traipu team mailing list archive

[Stewart Smith <stewart@xxxxxxxxxxxxxxxx>]

The behaviour of not hard failing when a requested plugin is not found
has been the cause of much pain in the past with MySQL. In MySQL, if
InnoDB failed to start, the server would still start and then all heck
would break loose (possibly having tables in MyISAM instead of InnoDB,
possibly having data not there, possibly people getting really
confused).

Is there another way around the problem of debian not removing
configuration files?

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https://bugs.launchpad.net/bugs/971300

Title:
  drizzle: should not abort when a plugin is not available

Status in A Lightweight SQL Database for Cloud Infrastructure and Web Applications:
  New

Bug description:
  For example, when the js plugin is compiled  but not installed (e.g on
  Debian is has to be an extra package as it has build-dependencies are
  only available on certain architectures).

  In this case, when drizzle is installed but the js-plugin package not,
  drizzle fails to start:

  #drizzled
  Can't open shared library '/usr/lib/drizzle7/libjs_plugin.so' (errno: 0 /usr/lib/drizzle7/libjs_plugin.so: Kann die Shared-Object-Datei nicht öffnen: Datei oder Verzeichnis nicht gefunden)
  Couldn't load plugin library named 'js'.

  Aborting:"Failed to initialize plugins". Abort was called from
  drizzled/drizzled.cc:1341 in init_variables_after_daemonizing()

  
  I think this can be handled in a better way, also to better integrate into Distribution packasging (to avoid that if a plugin in removed that the drizzle fails to start without reconfiguration)

  For example, if a plugin is not found, but not explictly enabled, just ignore this. If it is enabled, it should also not fail (if it is not a dependeny on a other installed plugin. It should not fail, because removing a package does not mean that its configuration gets deleted.
  (PHP does it like thos: it warns in the log when it does not find an extension)

  coldtobi

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