call to a member function purgeprivate() on null about lscache-joomla

[uglyeoin]

BUMP

[M-Falken]

Hi
I do not have this issue
But just set the plugin off, just to see if the issue remain ?

I see that you've already ask for this elsewhere :
https://www.joomlaworks.net/forum/k2-en/58363-call-to-a-member-function-purgeprivate-on-null#178408

But finally this issue seems not related at all with the lscache plugin
https://www.joomlaworks.net/forum/k2-en/58363-call-to-a-member-function-purgeprivate-on-null?start=10#178673

The reason why this also happens without J2store is that because the purgePrivate

lscache-joomla/lscache_plugin/components/com_virtuemart.php

Line 60 in c7e502e

$this->plugin->lscInstance->purgePrivate("com_virtuemart.cart");

Is probably not the one that cause this error, but this next one could explain perhaps the "It locks the user out and disabled their account in Joomla."

lscache-joomla/lscache_plugin/lscache.php

Line 549 in c7e502e

$this->lscInstance->purgePrivate('joomla.login');

Anyway disable the plugin, then test without it.

Regards

[uglyeoin]

I have set the plugin to disabled and the problem remains. When I turn error reporting on it says it's the plugin causing it.

It also disables users when they login.

[M-Falken]

Uninstall the plugin all to test, because if disabled it must not do anything.

[uglyeoin]

We renamed the folder plugins/system/lscache and that solved our problem. Perhaps the plugin was not disabled but the component was. I have reported this before.

[uglyeoin]

This is still an ongoing issue. It's been 6 months. Is there a solution? We can't have websites where our admins can't manage the sites.

This has happened on a lot of sites so I agree with your sentiment that it's related to the joomla.login line that you referenced.

[uglyeoin]

Did this problem ever get fixed?

[uglyeoin]

We are now over a year and a half and still no response, is this still an issue or has it been fixed? Is this plugin being developed? I'm trying to assess whether the benefit of Litespeed server is lost on Joomla!

[uglyeoin]

Perhaps this information helps? It's a PHP error message that is generated when this occurs.

A PHP Exception occurred on your site. Here you can find the stack trace:
Exception Type: Error
File: /home/*****/public_html/plugins/system/lscache/lscache.php
Line: 468
Message: Call to a member function purgePrivate() on null 
#0 /home//*****/public_html/libraries/joomla/event/event.php(70): plgSystemLSCache->onUserLoginFailure(Array)
#1 /home//*****/public_html/libraries/joomla/event/dispatcher.php(160): JEvent->update(Array)
#2 /home//*****/public_html/libraries/src/Application/BaseApplication.php(108): JEventDispatcher->trigger('onuserloginfail...', Array)
#3 /home//*****/public_html/libraries/src/Application/CMSApplication.php(932): Joomla\CMS\Application\BaseApplication->triggerEvent('onUserLoginFail...', Array)
#4 /home//*****/public_html/libraries/src/Application/AdministratorApplication.php(331): Joomla\CMS\Application\CMSApplication->login(Array, Array)
#5 /home//*****/public_html/administrator/components/com_login/controller.php(64): Joomla\CMS\Application\AdministratorApplication->login(Array, Array)
#6 /home//*****/public_html/libraries/src/MVC/Controller/BaseController.php(702): LoginController->login()
#7 /home//*****/public_html/administrator/components/com_login/login.php(22): Joomla\CMS\MVC\Controller\BaseController->execute('login')
#8 /home//*****/public_html/libraries/src/Component/ComponentHelper.php(402): require_once('/home/allezandy...')
#9 /home//*****/public_html/libraries/src/Component/ComponentHelper.php(377): Joomla\CMS\Component\ComponentHelper::executeComponent('/home/allezandy...')
#10 /home//*****/public_html/libraries/src/Application/AdministratorApplication.php(101): Joomla\CMS\Component\ComponentHelper::renderComponent('com_login')
#11 /home//*****/public_html/libraries/src/Application/AdministratorApplication.php(159): Joomla\CMS\Application\AdministratorApplication->dispatch()
#12 /home//*****/public_html/libraries/src/Application/CMSApplication.php(225): Joomla\CMS\Application\AdministratorApplication->doExecute()
#13 /home//*****/public_html/administrator/index.php(51): Joomla\CMS\Application\CMSApplication->execute()
#14 {main}
Request information
GET variables
Array
(
)
POST variables
Array
(
    [username] => joomla_backup
    [passwd] => UTrUOerQ7Pyu
    [secretkey] => 1
    [option] => com_login
    [task] => login
    [return] => aW5kZXgucGhw
    [4aa367d5d542664c38d879b6ee11a54b] => 1
)
COOKIE variables
Array
(
    [e92d727da1f6ca12b36b9e40b2f22b6b] => 1772218ef2870a8083fcff42c6ee88f5
)
REQUEST variables
Array
(
    [username] => joomla_backup
    [passwd] => UTrUOerQ7Pyu
    [secretkey] => 1
    [option] => com_login
    [task] => login
    [return] => aW5kZXgucGhw
    [4aa367d5d542664c38d879b6ee11a54b] => 1
    [e92d727da1f6ca12b36b9e40b2f22b6b] => 1772218ef2870a8083fcff42c6ee88f5
)
SERVER variables
Array
(
    [PATH] => /usr/local/bin:/bin:/usr/bin
    [HTTP_ACCEPT] => */*
    [HTTP_ACCEPT_CHARSET] => *
    [HTTP_ACCEPT_LANGUAGE] => *
    [CONTENT_TYPE] => application/x-www-form-urlencoded
    [CONTENT_LENGTH] => 137
    [HTTP_COOKIE] => e92d727da1f6ca12b36b9e40b2f22b6b=1772218ef2870a8083fcff42c6ee88f5
    [HTTP_HOST] => [www./*****.co.uk](http://www./*****.co.uk/)
    [HTTP_REFERER] => https://www./*****.co.uk/
    [HTTP_USER_AGENT] => Opera/9.80 (Windows NT 5.1; MRA 5.7 (build 03773)) Presto/2.12.388 Version/12.14
    [HTTP_CACHE_CONTROL] => no-cache
    [DOCUMENT_ROOT] => /home//*****/public_html
    [REMOTE_ADDR] => 193.176.31.8
    [REMOTE_PORT] => 25520
    [SERVER_ADDR] => 5.134.13.32
    [SERVER_NAME] => [www./*****.co.uk](http://www./*****.co.uk/)
    [SERVER_ADMIN] => [webmaster@/*****.co.uk](mailto:webmaster@/*****.co.uk)
    [SERVER_PORT] => 443
    [REQUEST_SCHEME] => https
    [REQUEST_URI] => /administrator/index.php
    [HTTPS] => on
    [SSL_PROTOCOL] => TLSv1.2
    [SSL_CIPHER] => ECDHE-RSA-AES256-GCM-SHA384
    [SSL_CIPHER_USEKEYSIZE] => 256
    [SSL_CIPHER_ALGKEYSIZE] => 256
    [SCRIPT_FILENAME] => /home//*****/public_html/administrator/index.php
    [QUERY_STRING] => 
    [SCRIPT_URI] => https://www./*****.co.uk/administrator/index.php
    [SCRIPT_URL] => /administrator/index.php
    [SCRIPT_NAME] => /administrator/index.php
    [SERVER_PROTOCOL] => HTTP/1.1
    [SERVER_SOFTWARE] => LiteSpeed
    [REQUEST_METHOD] => POST
    [X-LSCACHE] => on,crawler
    [PHP_SELF] => /administrator/index.php
    [REQUEST_TIME_FLOAT] => 1663237852.2869
    [REQUEST_TIME] => 1663237852
)

[WuhuaChen]

it has been fixed in latest release