Recently I've transferred several Drupal sites to DigitalOcean.com VPS server (Ubuntu).
Almost all work well.

But when I try to downloading updates for modules I get error:

An AJAX HTTP error occurred. HTTP Result Code: 500 Debugging information follows. Path: /batch?render=overlay&id=82&op=do StatusText: Internal Server Error ResponseText

I see the error for every Drupal sites at VPS.
I can successfully update modules by drush.
But I want to understand the problem.

There is no error record at error.log (Apache)
And there is following line at access.log:

POST /batch?render=overlay&id=83&op=do HTTP/1.1" 500

How can I solve the problem?

It seems the problem in PHP.
There is known bug with gzopen() for Ubuntu32.

1 Answer 1


It was PHP bug with Ubuntu 32bit.

I've solved the problem after installation of newer PHP version

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