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Undeploy a Process Definition

rand

Hi there !

A fairly simple question : how can an administrator delete a Workflow Definition once it has been deployed ? I haven't seen any command to do that through the Workflow Console (although you can delete all the instances of a workflow definition), and I end up with an (obsolete) test definition showing up in the list everytime I start a Workflow.

Thanks in advance.

Rand

PS : A quick suggestion, shouldn't a "Workflow" category be created in the forum ? No one really seems to know where to post such questions.

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Comments

davidc

Oh that's annoying. Undeploy has been left out of the Workflow Console by mistake. I thought I'd added that one.

I'll raise a JIRA issue.

Don't know if you want to dive into Java, but there is a WorkflowService.undeployDefinition() method that can be called.

A sneaky workaround might be to install the JBoss jBPM starterkit, point it at the Alfresco database, and use its web console to undeploy.

As for the Workflow forum, others have asked too, so I think it's time to add one.

davidc

http://issues.alfresco.com/browse/AR-1072

rand

Thanks for the answer and the JIRA issue, the workaround will do allright in my case.

Rand

pcuvecle

Quite an old post now, but i tried to plug the jbpm-console webapp on the JBPM tables used by Alfresco but when I try to login to the web app, a login / password is required.

Does anybody has an idea about the login / password that can be used ?

Regarding Jira AR-1072, what is the undeploy command syntax ? It does not appear in the command list returned by the workflow console help

unknown

Try the "admin" account!

Rgrds, Rob

pcuvecle

It does not work with the admin account (I try to logon to the jbpm-console webapp not the alfresco one)

unknown

Why not use the Workflow Console from Alfresco itself? It now has the undeploy functionality the original post was complaining about.

Sorry, I have no other suggestion, Rob

pcuvecle

Sure it would be easier
But i've been unable to figure out how to use the undeploy function from the workflow console (not in the help command list)

In another hand I wanted to have a look at the jbpm workflow console features to see if there are some usefull stuff that could help manage Alfresco workflows more easily

unknown

Take a look at: http://wiki.alfresco.com/wiki/Workflow_Console
The "undeploy" command is described here. Be aware that when you undeploy the latest definition the previous definition becomes active and so on. According the WIKI starting with version 2.1 all definitions can be undeployed at once (I did not try that one yet).
Use "show definitions" to look up the definition ID needed to undeploy.
Be also aware that as long as you automatically deploy on starting Alfresco your workflow will re-appear.

Rgrds, Rob

pcuvecle

Thanks for the link, the help page included in Alfresco is not up to date.
However, I managed to undeploy 1 workflow definition but for another one it fails with a constraint violation error :

java.sql.BatchUpdateException: Cannot delete or update a parent row: a foreign key constraint fails (`alfresco/JBPM_TRANSITION`, CONSTRAINT `FK_TRANS_PROCDEF` FOREIGN KEY (`PROCESSDEFINITION_`) REFERENCES `JBPM_PROCESSDEFINITION` (`ID_`))

I had no running workflows of any type of definition when I ran this undeploy command :?

unknown

That sounds familiair. For some reasons sometimes the database seems to become corrupt with respect to the workflow definitions. Could not figure this one out myself…. If you are in a test environment you could delete all by restarting Alfresco with a new (read empty) database.
For this purpose I created a backup of the database after I initiated all users I needed in my test environment and all Spaces that are always required.

Sorry, somehow you can not come around this one as far as I know. Did not put it in Jira yet since I was not sure whether it was caused by my doing or by Alfresco. But since you have the same problem it is no longer an incident.

Did you try the "undeploy definition name <workflowName>" version to undeploy all at once and did it has the same result?

Rgrds, Rob

pcuvecle

Did you try the "undeploy definition name <workflowName>" version to undeploy all at once and did it has the same result?
Rgrds, Rob

Yes I tried with undeploy definition name <workflowName> and undeploy definition <workflowId> on the last version and i get the same result for both.

unknown

So this seems to be some bug in the way that the definitions are handled.
Wonder whether some Alfresco engineer is reaing this thread… 😞
Since it is hard to predict what and when things go wrong it is hard to put it in an issue to be solved…

Regards, Rob