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I've developed a module for Magento and it's supposed to support the versions 1.5+. I've developed it in 1.9 and it works with 1.6+. 1.5 crashes when trying to install with this error.

PHP Fatal error: Class 'Mage_Catalog_Model_Resource_Setup' not found

How can I support all the versions from a single code base if this class is not found?

Also 1.6 works fine but refuses to install from a package generated from 1.9. I tried generating the package in 1.6 and tried using this after cleaning up the Magento instance but no joy. Still the same issue:

CONNECT ERROR: Unsupported resource type

Any ideas?

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You either need to support 1.6CE+ only, or move to the old style Namespace_Module_Model_Mysql4_... resource classes, Namespace_Module_Model_Resource_... classes were only introduced from 1.6CE+.

  • Okay that makes sense, what about the code which works with 1.6 when uploaded via FTP but when attempted to install it via TGZ (packed in 1.6) fails? Any thoughts? – Daniel Wardin May 13 '15 at 15:49
  • No reason that I know (off the top of my head) for a package generated under 1.9 not installing under 1.6. – Jonathan Hussey May 13 '15 at 15:52
  • Is there anyway to log the exception which occurs? The console in Connect is not giving more than unsupported resource type but nothing more. – Daniel Wardin May 13 '15 at 15:54
  • Does it install with a clean instance of 1.6? – Jonathan Hussey May 13 '15 at 15:59
  • No that's the problem, set them up with sample data for testing purposes and it fails. According to system.log it fails in get_resource_type() expects parameter 1 to be resource, boolean given in ~/magento16_sandbox/downloader/lib/Mage/Connect/Package/Reader.php on line 140 – Daniel Wardin May 13 '15 at 16:00

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