Do you have problem when you try to uppdate your joomla?
and you get these errors
Update: :Collection: Could not open http://update.joomla.org/core/list.xml
Update: :Collection: Could not open http://update.joomla.org/jed/list.xml
Update: :Collection: Could not open http://update.joomlart.com/service/tracking/list.xml
Update: :Extension: Could not open https://www.joomlacontenteditor.net/index.php?option=com_updates&view=update&format=xml&id=1/extension.xml
Solution
Open the file libraries/joomla/http/transporters/stream.php
on line 136
Replace:
return $this->getResponse($metadata['wrapper_data'], $content);
With:
if (isset($metadata['wrapper_data']['headers']))
{
$headers = $metadata['wrapper_data']['headers'];
}
elseif (isset($metadata['wrapper_data']))
{
$headers = $metadata['wrapper_data'];
}
else
{
$headers = array();
}
return $this->getResponse($headers, $content);