Hi all,

After upgrading jira from 5.2.9 to 6.1.5, some groovy scripts does not work. In the log records, there is a cast exception as "Cannot cast object 'my user object' with class 'com.atlassian.jira.user.DelegatingApplicationUser' to class 'com.atlassian.crowd.embedded.api.User'

Is there any suggestions?

1 answer

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Henning Tietgens Community Champion Jan 22, 2014

You can use the ApplicationUsers class to convert between User and ApplicationUser.

Thank you Henning, now it is clear. I get values from custom fields which contain users and use "User" object for return values. However, according to the document you shared above it says:

  • If you read values from CustomFields containing Users. In older versions CustomFieldsused to return User object, in 6.0 JIRA returns ApplicationUser. As in 6.0 these types are totally incompatible, you will probably get an exception:

    java.lang.ClassCastException: com.atlassian.jira.user.DelegatingApplicationUser cannot be cast to com.atlassian.crowd.embedded.api.User

So, I add "import com.atlassian.jira.user.ApplicationUsers" line in script code and use toDirectoryUser(ApplicationUser user) method to convert ApplicationUser to User.

Am I right?

Henning Tietgens Community Champion Jan 22, 2014

Yes, if the following method needs an ApplicationUser.

Yes, I need to convert ApplicationUser to User object so I use toDirectoryUsers method of ApplicationUsers class which accepts an ApplicationUser object.

My ex-code:

Collection<User> users = (Collection) issue.getCustomFieldValue(releatedPeopleCf)//relatedPeopleCf is a multi user picker cf

New code:

Collection<User> users = (Collection) ApplicationUsers.toDirectoryUsers(issue.getCustomFieldValue(relatedPeopleCf))

This is the correct usage, isnt it?

Henning Tietgens Community Champion Jan 23, 2014

Looks good to me :-)

Thanks for kindly help Henning, it is ok now ;)

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