Best Way to Uninstall a AMP Module

[cgonzalez]

Hi,

I have developed a amp module than extends Alfresco, it works fine,but now i want to uninstall it. How can i do that?

If have readed that there's no good way to do that.

Any tip?

[heiko_robert]

In Alfresco 5.x the version is stored as a serialized object - so no fun in the database. Instead you could just remove all module registrations using java script and restart. If you can't even start you need to restore the original war first:

var searchString = "/sys:system-registry/module:modules/*"; // XPath search string
var store = "system://system";
var nodes = search.selectNodes(store, searchString);

for each (var node in nodes) {
logger.log("removing entry for module: " + node.name);
   node.addAspect("sys:temporary");
    node.remove();
}
‍‍‍‍‍‍‍‍‍‍‍

[jpotts · Accepted solution]

Old thread, but in case it is helpful, in 5.x you can also use the Node Browser at /alfresco to browse the same path and delete exactly the module you need to.

[AlfrescoZZZ]

HI can you be more specific on how do that on the path /alfresco ?

[sercama]

Hi Marco Tenti‌,

You can access to Node Browser named by Jeff Potts‌ in the following URL http://{alfrescoIP}:{alfrescoPort}/alfresco/s/admin/admin-communitysummary. In this page, you can select Node Browser tool and search "/sys:system-registry/module:modules/*" with option "selectnodes". After that, you can view all modules installed in your system and the modules which have been installed and removed from your Alfresco.

Regards,

Sergio.

[AlfrescoZZZ]

Ty very much, save me a lot of time.

[heiko_robert]

Please make sure your removed amp did not provide a document model which is referenced by existing nodes (by document type and/or aspects). Alfresco will not complain until you open or modify an affected node or version and errors occur months or years later when you don't expect them.

[sercama]

It’s a very important note!!!

[heiko_robert]

There was an ongoing discussion in JIRA about the module registry cleanup: "uninstalling an AMP should remove the module nodes in the repository"
unfortunately the issue "RA-44" has been removed from public access …
Any comments on that from Alfresco side?

Anyway - we have a solution with the java script for the hard coded removal but would expect a more consistent way which also includes an API for model migration.

I created a new issue in JIRA as a requirement for module management:
ALF-21399 support for document model migration and downgrade https://issues.alfresco.com/jira/browse/ALF-21399

Please vote this issue if you think this is relevant for you also!

Thanks

[heiko_robert]

Since the issue ALF-21399 has been closed as "not a bug" I'd like to share that we worked around this long story by implementing a hardcore Alfresco extension which is able to migrate, up- and downgrade Alfresco Types. The implementation has a javascript binding to call a migration batch job for specific types and expects a function (getting the old property array as argument) which takes care how to save the old values in other properties, jdbc datasources ...

If anybody is interested, please send me a pm. We decided not to publish this extension (yet) since it will be very easy to loose data if you have bugs in the custom function. But as always: With great power comes great responsibility!

[AlfrescoZZZ]

Hi Heiko i'm interested to try out the extension you talk it about, i can't send you a pm because i'm must be friend or follow by you for send the message.

Ty.

Greeting.