Error viewing issue after deleting user

[Tauren Mills]

I submitted this bug report to the SF issue tracker.

I'm using JTrac 2.1.0.  When I created an issue, I included a test
user in the list of users to email about the issue (checked the
checkbox).  I created three issues with this user and added one or two
comments to each issue with the user checked in each one.  I then
deleted the user.  Now I get an internal error when I try to view the
issue.  The error is below.

It looks like the item_users table isn't getting properly updated when
a user is deleted.  I performed the following SQL commands (in mysql)
and the error went away.  User_id 14 is the user I deleted and the
issues are in space_id 9.  I wasn't clear what the rows in item_users
that have a NULL item_id are for, but I deleted all rows with user_id
14 and it worked.

mysql> select id,sequence_num,time_stamp from items where space_id=9;
+-----+--------------+---------------------+
| id  | sequence_num | time_stamp          |
+-----+--------------+---------------------+
| 164 |            1 | 2008-07-03 14:36:15 |
| 165 |            2 | 2008-07-03 14:38:25 |
| 166 |            3 | 2008-07-03 14:49:43 |
+-----+--------------+---------------------+
3 rows in set (0.00 sec)

mysql> select * from item_users where user_id=14;
+-----+---------+------+---------+
| id  | user_id | type | item_id |
+-----+---------+------+---------+
| 132 |      14 |    0 |    NULL |
| 136 |      14 |    0 |     164 |
| 140 |      14 |    0 |    NULL |
| 144 |      14 |    0 |     165 |
| 148 |      14 |    0 |    NULL |
| 152 |      14 |    0 |    NULL |
| 156 |      14 |    0 |     166 |
+-----+---------+------+---------+
7 rows in set (0.00 sec)

mysql> delete from item_users where user_id=14;
Query OK, 7 rows affected (0.00 sec)

Here is the error log:

8588 [main] INFO org.mortbay.log - Started SelectChannelConnector@...:8080
2008-07-03 15:05:49,209 [btpool0-8] ERROR
[org.apache.wicket.RequestCycle] - Exception in rendering component:
[MarkupContainer [Component id = itemUsers, page =
info.jtrac.wicket.ItemViewPage, path =
2:itemViewFormPanel:form:itemUsers.JtracCheckBoxMultipleChoice,
isVisible = true, isVersioned = false]]
org.apache.wicket.WicketRuntimeException: Exception in rendering
component: [MarkupContainer [Component id = itemUsers, page =
info.jtrac.wicket.ItemViewPage, path =
2:itemViewFormPanel:form:itemUsers.JtracCheckBoxMultipleChoice,
isVisible = true, isVersioned = false]]
        at org.apache.wicket.Component.renderComponent(Component.java:2497)
        at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1354)
        at org.apache.wicket.Component.render(Component.java:2296)
        at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1240)
...
Caused by: org.hibernate.ObjectNotFoundException: No row with the
given identifier exists: [info.jtrac.domain.User#14]
        at org.hibernate.impl.SessionFactoryImpl$1.handleEntityNotFound(SessionFactoryImpl.java:377)
        at org.hibernate.proxy.AbstractLazyInitializer.checkTargetState(AbstractLazyInitializer.java:79)
        at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:68)
        at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111)
        at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:150)
        at info.jtrac.domain.User$$EnhancerByCGLIB$$3e50bc85.hashCode(<generated>)
        at info.jtrac.domain.ItemUser.hashCode(ItemUser.java:101)
        at java.util.HashMap.put(HashMap.java:372)
        at java.util.HashSet.add(HashSet.java:200)
        at java.util.AbstractCollection.addAll(AbstractCollection.java:305)
        at org.hibernate.collection.PersistentSet.endRead(PersistentSet.java:329

Hopefully this bug can get squashed!

Thanks,
Tauren

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