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[Aaron Wells <1173440@xxxxxxxxxxxxxxxxxx>]

** Changed in: mahara
    Milestone: 1.8.0rc1 => None

** Changed in: mahara
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1173440

Title:
  updating group fails fatally under certain conditions

Status in Mahara ePortfolio:
  Fix Released
Status in Mahara 1.6 series:
  Fix Released
Status in Mahara 1.7 series:
  Fix Released

Bug description:
  General Info:
  --------------
  - Mahara 1.6.4
  - PostgreSQL 8.4.12
  - PHP 5.3.10
  - RHEL  5.8

  Browser Info:
  ---------------
  - Chrome 26, Firefox 20 (Win), latest Safari on Mac as well.

  Other:
  --------
  Mahara is configured with clean-URLs turned on.

  Description:
  --------------
  Saving a group after editing fails.

  After submitting the "Edit group" form, the user gets thrown to an
  error page. The error message reads:

      Mahara: Site unavailable
      A nonrecoverable error occurred. This probably means you have encountered a bug in the system

  Apparently, Mahara is unable to recover from a failed attempt to
  update a record in the database. (please see attached error log).

  This only happens under very specific conditions, and seems to be
  connected to clean URL mode.

  To reproduce:

  1. turn off clean URL mode in the Mahara configuration.
  2. create a two groups (group A and group B). Observe that the "urlid" field in these records have NULL values.
  3. turn clean URL mode back on.
  4. open Group A for editing. Make a change, but leave the "Group homepage URL" in the input form empty. Hit the "save group" button.
  5. open Group B for editing. Make a change, but leave the  "Group homepage URL" in the input form empty as well. "Hit "save group". **error occurs**

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