Error with Grails Spring Security UI Plugin when creating new user - Error Processing GroovyPageView about grails-spring-security-ui HOT 8 CLOSED

@ddelponte:

to reproduce this with your example, you have to add a toString method that may return null, as mentioned in #56 (comment):

diff --git a/grails-app/domain/com/testapp/User.groovy b/grails-app/domain/com/testapp/User.groovy
index aacd5d0..235d48c 100644
--- a/grails-app/domain/com/testapp/User.groovy
+++ b/grails-app/domain/com/testapp/User.groovy
@@ -52,4 +52,9 @@ class User implements Serializable {
    static mapping = {
        password column: '`password`'
    }
+
+   @Override
+   public String toString() {
+       return username
+   }
 }

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By major coincidence, I ran into the exact same issue with the exact same versions of grails and the two plugins today. @mickdavis: I feel your pain.

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I think I found the issue. Spring-security-ui does not like it when the "Person" and "Role" domain objects (see http://grails-plugins.github.io/grails-spring-security-core/v2/guide/domainClasses.html#personClass) return null in their "toString" methods.

So my solution was to change

    String toString() {
        return this.username
    }

to

    String toString() {
        return this.username ?: 'Person without username'
    }

(this is for the Person class, but I had to update the Role class accordingly).

from grails-spring-security-ui.

Btw. I think the issue is still a bug in spring-security-ui, I will probably create a pull request soon.

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@marvinthepa - your patch - can't get it working.

Can't get an override - I'll need to rebuild the entire plugin and use that one from a local repo vs just being able to override it somehow?

Was also trying to get my subclassed usercontroller to work in a namespace, but if the namespace is different from the parent class, that seems like it won't work either... (or would it?)

(the toString() stuff didn't work for me, unfortunately)

Thanks for your potential patch :)

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@mgkimsal: I don't know if you can override taglibs. Building the plugin yourself from source will definitely work.

If fixing your toString in your person and role domain objects didn't help, I suspect you are experiencing a different problem. I might be able to tell if you share the stacktrace that you see.

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@mickdavis @marvinthepa
I have been unable to reproduce this issue with:

compile "org.grails.plugins:spring-security-core:2.0.0"
compile "org.grails.plugins:spring-security-ui:1.0-RC3"

using grails-2.5.6 and java 8u144-zulu

Here's a link to a video demonstrating it working:
https://goo.gl/jCpiQS

and here's the test app I created:
security-ui_issue-56.zip

Are you able to provide a test app which reproduces the issue?

Thanks!

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Thanks @ddelponte for fixing this

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