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[Bug 1976449] [NEW] Chart.js error - bar graph not displaying

To: mahara-contributors@xxxxxxxxxxxxxxxxxxx
From: Dianne Tennent <1976449@xxxxxxxxxxxxxxxxxx>
Date: Wed, 01 Jun 2022 03:48:42 -0000
Reply-to: Bug 1976449 <1976449@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

Related to the upgrade from 2.9.4 to 3.7.1  (Bug 1962118)

To test:
1. Add an institution and some people
2. Add some blocks to a page
3. Run the cron, ensuring that the weekly cron jobs run after you've created the data
4. View the reports page: Admin menu>Reports

Expected results:
 - A horizontal bar graph under the heading 'Most frequently used blocks in portfolio pages' showing number of each blocktype

Actual results:
 - No results

Errors in console:

Chart.min.js?v=8443:13 Invalid scale configuration for scale: xAxes
(anonymous) @ Chart.min.js?v=8443:13
(anonymous) @ Chart.min.js?v=8443:13
Us @ Chart.min.js?v=8443:13
(anonymous) @ Chart.min.js?v=8443:13
Js @ Chart.min.js?v=8443:13
dn @ Chart.min.js?v=8443:13
(anonymous) @ mahara.js?v=8443:1023
(anonymous) @ mahara.js?v=8443:375
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
l @ jquery.js?v=8443:2
(anonymous) @ jquery.js?v=8443:2
load (async)
send @ jquery.js?v=8443:2
ajax @ jquery.js?v=8443:2
sendjsonrequest @ mahara.js?v=8443:345
fetch_graph_data @ mahara.js?v=8443:926
(anonymous) @ statistics.php:537
e @ jquery.js?v=8443:2
t @ jquery.js?v=8443:2
setTimeout (async)
(anonymous) @ jquery.js?v=8443:2
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
fire @ jquery.js?v=8443:2
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
ready @ jquery.js?v=8443:2
B @ jquery.js?v=8443:2
mahara.js?v=8443:378 sendjsonrequest() callback failed:  Error: "horizontalBar" is not a registered controller.
    at Object._get (Chart.min.js?v=8443:13:84583)
    at Object.getController (Chart.min.js?v=8443:13:83650)
    at dn.buildOrUpdateControllers (Chart.min.js?v=8443:13:94805)
    at dn.update (Chart.min.js?v=8443:13:95565)
    at new dn (Chart.min.js?v=8443:13:91945)
    at mahara.js?v=8443:1023:27
    at Object.<anonymous> (mahara.js?v=8443:375:17)
    at c (jquery.js?v=8443:2:28327)
    at Object.fireWith [as resolveWith] (jquery.js?v=8443:2:29072)
    at l (jquery.js?v=8443:2:79901) {data: {…}}
(anonymous) @ mahara.js?v=8443:378
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
l @ jquery.js?v=8443:2
(anonymous) @ jquery.js?v=8443:2
load (async)
send @ jquery.js?v=8443:2
ajax @ jquery.js?v=8443:2
sendjsonrequest @ mahara.js?v=8443:345
fetch_graph_data @ mahara.js?v=8443:926
(anonymous) @ statistics.php:537
e @ jquery.js?v=8443:2
t @ jquery.js?v=8443:2
setTimeout (async)
(anonymous) @ jquery.js?v=8443:2
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
fire @ jquery.js?v=8443:2
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
ready @ jquery.js?v=8443:2
B @ jquery.js?v=8443:2
mahara.js?v=8443:378 sendjsonrequest() callback failed:  TypeError: chartobject.generateLegend is not a function
    at mahara.js?v=8443:1024:81
    at Object.<anonymous> (mahara.js?v=8443:375:17)
    at c (jquery.js?v=8443:2:28327)
    at Object.fireWith [as resolveWith] (jquery.js?v=8443:2:29072)
    at l (jquery.js?v=8443:2:79901)
    at XMLHttpRequest.<anonymous> (jquery.js?v=8443:2:82355) {data: {…}}
(anonymous) @ mahara.js?v=8443:378
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
l @ jquery.js?v=8443:2
(anonymous) @ jquery.js?v=8443:2
load (async)
send @ jquery.js?v=8443:2
ajax @ jquery.js?v=8443:2
sendjsonrequest @ mahara.js?v=8443:345
fetch_graph_data @ mahara.js?v=8443:926
(anonymous) @ statistics.php:508
e @ jquery.js?v=8443:2
t @ jquery.js?v=8443:2
setTimeout (async)
(anonymous) @ jquery.js?v=8443:2
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
fire @ jquery.js?v=8443:2
c @ jquery.js?v=8443:2
fireWith @ jquery.js?v=8443:2
ready @ jquery.js?v=8443:2
B @ jquery.js?v=8443:2
mahara.js?v=8443:378 sendjsonrequest() callback failed:  TypeError: chartobject.generateLegend is not a function
    at mahara.js?v=8443:1024:81
    at Object.<anonymous> (mahara.js?v=8443:375:17)
    at c (jquery.js?v=8443:2:28327)
    at Object.fireWith [as resolveWith] (jquery.js?v=8443:2:29072)
    at l (jquery.js?v=8443:2:79901)
    at XMLHttpRequest.<anonymous> (jquery.js?v=8443:2:82355) {data: {…}}

** Affects: mahara
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1976449

Title:
  Chart.js error - bar graph not displaying

Status in Mahara:
  New

Bug description:
  Related to the upgrade from 2.9.4 to 3.7.1  (Bug 1962118)

  To test:
  1. Add an institution and some people
  2. Add some blocks to a page
  3. Run the cron, ensuring that the weekly cron jobs run after you've created the data
  4. View the reports page: Admin menu>Reports

  Expected results:
   - A horizontal bar graph under the heading 'Most frequently used blocks in portfolio pages' showing number of each blocktype

  Actual results:
   - No results

  Errors in console:

  Chart.min.js?v=8443:13 Invalid scale configuration for scale: xAxes
  (anonymous) @ Chart.min.js?v=8443:13
  (anonymous) @ Chart.min.js?v=8443:13
  Us @ Chart.min.js?v=8443:13
  (anonymous) @ Chart.min.js?v=8443:13
  Js @ Chart.min.js?v=8443:13
  dn @ Chart.min.js?v=8443:13
  (anonymous) @ mahara.js?v=8443:1023
  (anonymous) @ mahara.js?v=8443:375
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  l @ jquery.js?v=8443:2
  (anonymous) @ jquery.js?v=8443:2
  load (async)
  send @ jquery.js?v=8443:2
  ajax @ jquery.js?v=8443:2
  sendjsonrequest @ mahara.js?v=8443:345
  fetch_graph_data @ mahara.js?v=8443:926
  (anonymous) @ statistics.php:537
  e @ jquery.js?v=8443:2
  t @ jquery.js?v=8443:2
  setTimeout (async)
  (anonymous) @ jquery.js?v=8443:2
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  fire @ jquery.js?v=8443:2
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  ready @ jquery.js?v=8443:2
  B @ jquery.js?v=8443:2
  mahara.js?v=8443:378 sendjsonrequest() callback failed:  Error: "horizontalBar" is not a registered controller.
      at Object._get (Chart.min.js?v=8443:13:84583)
      at Object.getController (Chart.min.js?v=8443:13:83650)
      at dn.buildOrUpdateControllers (Chart.min.js?v=8443:13:94805)
      at dn.update (Chart.min.js?v=8443:13:95565)
      at new dn (Chart.min.js?v=8443:13:91945)
      at mahara.js?v=8443:1023:27
      at Object.<anonymous> (mahara.js?v=8443:375:17)
      at c (jquery.js?v=8443:2:28327)
      at Object.fireWith [as resolveWith] (jquery.js?v=8443:2:29072)
      at l (jquery.js?v=8443:2:79901) {data: {…}}
  (anonymous) @ mahara.js?v=8443:378
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  l @ jquery.js?v=8443:2
  (anonymous) @ jquery.js?v=8443:2
  load (async)
  send @ jquery.js?v=8443:2
  ajax @ jquery.js?v=8443:2
  sendjsonrequest @ mahara.js?v=8443:345
  fetch_graph_data @ mahara.js?v=8443:926
  (anonymous) @ statistics.php:537
  e @ jquery.js?v=8443:2
  t @ jquery.js?v=8443:2
  setTimeout (async)
  (anonymous) @ jquery.js?v=8443:2
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  fire @ jquery.js?v=8443:2
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  ready @ jquery.js?v=8443:2
  B @ jquery.js?v=8443:2
  mahara.js?v=8443:378 sendjsonrequest() callback failed:  TypeError: chartobject.generateLegend is not a function
      at mahara.js?v=8443:1024:81
      at Object.<anonymous> (mahara.js?v=8443:375:17)
      at c (jquery.js?v=8443:2:28327)
      at Object.fireWith [as resolveWith] (jquery.js?v=8443:2:29072)
      at l (jquery.js?v=8443:2:79901)
      at XMLHttpRequest.<anonymous> (jquery.js?v=8443:2:82355) {data: {…}}
  (anonymous) @ mahara.js?v=8443:378
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  l @ jquery.js?v=8443:2
  (anonymous) @ jquery.js?v=8443:2
  load (async)
  send @ jquery.js?v=8443:2
  ajax @ jquery.js?v=8443:2
  sendjsonrequest @ mahara.js?v=8443:345
  fetch_graph_data @ mahara.js?v=8443:926
  (anonymous) @ statistics.php:508
  e @ jquery.js?v=8443:2
  t @ jquery.js?v=8443:2
  setTimeout (async)
  (anonymous) @ jquery.js?v=8443:2
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  fire @ jquery.js?v=8443:2
  c @ jquery.js?v=8443:2
  fireWith @ jquery.js?v=8443:2
  ready @ jquery.js?v=8443:2
  B @ jquery.js?v=8443:2
  mahara.js?v=8443:378 sendjsonrequest() callback failed:  TypeError: chartobject.generateLegend is not a function
      at mahara.js?v=8443:1024:81
      at Object.<anonymous> (mahara.js?v=8443:375:17)
      at c (jquery.js?v=8443:2:28327)
      at Object.fireWith [as resolveWith] (jquery.js?v=8443:2:29072)
      at l (jquery.js?v=8443:2:79901)
      at XMLHttpRequest.<anonymous> (jquery.js?v=8443:2:82355) {data: {…}}

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Follow ups

[Bug 1976449] Re: Chart.js error - bar graph not displaying
From: Doris Tam, 2022-11-01
[Bug 1976449] A change has been merged
From: Mahara Bot, 2022-07-25
[Bug 1976449] Re: Chart.js error - bar graph not displaying
From: Robert Lyon, 2022-07-25
[Bug 1976449] A patch has been submitted for review
From: Mahara Bot, 2022-06-01