I'd want disable embedded catalina to use stand-alone tomcat (to simulate
remote tomcat in development).
Have anyone done that?
Emerson
----- Original Message -----
From: "Alex Loubyansky" <[EMAIL PROTECTED]>
To: "Alex Loubyansky" <[EMAIL PROTECTED]>
Cc: "JBoss-User" <[EMAIL PROTECTED]>
Sent: Monday, May 13, 2002 6:50 AM
Subject: Re: [JBoss-user] Re: Primary Key inheritance problem
> AL> Wow... I can't understand it. After modifying hashCode() in both
> AL> ResourceOwnerPK and UserPK classes to just calling super.hashCode(), I
> AL> can create an instance but the log is as follows:
>
> AL> INFO
[com.imedia.tracker.components.resourceowner.bean.ResourceOwnerEJB] Created:
{username=owner1 password=password1}
> AL>
DEBUG[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Create: pk=[.null.] <-- NULL BUT CREATED WITHOUT EXCEPTION AND DB CONTAINS
'owner1'
> AL> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Executing SQL: SELECT COUNT(*) FROM ResourceOwner WHERE username=?
> AL> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Executing SQL: INSERT INTO ResourceOwner (username, password) VALUES (?, ?)
> AL> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Create: Rows affected = 1
> AL> INFO
[com.imedia.tracker.components.resourceowner.bean.ResourceOwnerEJB] Created
(postCreate): pk is [.null.]
>
> But I can't remove the created this way instance even with commit
> option C, though the database contains valid values. Here is the log:
> 2002-05-13 12:45:52,032 INFO
[com.imedia.tracker.components.usermanager.bean.UserManagerEJB] Exc while
removing resource owner [.owner1.]
> javax.ejb.ObjectNotFoundException: No such entity!
>
> AL>> I wrote a simple entity bean ResourceOwnerEJB with ResourceOwnerPK
primary key class. The bean contains two fields: username and password. The
primary key class contains the only field:
> AL>> username. When deployed, I can create instances of the bean
successufully.
> AL>> Here is the log:
> AL>> INFO
[com.imedia.tracker.components.resourceowner.bean.ResourceOwnerEJB] Created:
{username=owner1 password=password1}
> AL>>
DEBUG[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Create: pk=[.owner1.] <-- CORRECT VALUE
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Executing SQL: SELECT COUNT(*) FROM ResourceOwner WHERE username=?
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Executing SQL: INSERT INTO ResourceOwner (username, password) VALUES (?, ?)
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Create: Rows affected = 1
>
> AL>> Then I wrote UserPK primary key class that is the same as
ResourceOwnerPK (contains only the field username). The only thing I changed
in ResourceOwnerPK is replacement of 'extends Object' with
> AL>> 'extends UserPK'. When deployed I can't create an instance of the
bean.
> AL>> Here is the log:
> AL>> INFO
[com.imedia.tracker.components.resourceowner.bean.ResourceOwnerEJB] Created:
{username=owner1 password=password1}
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Create: pk=[.null.] <-- NULL !!!
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Executing SQL: SELECT COUNT(*) FROM ResourceOwner WHERE username=?
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Executing SQL: INSERT INTO ResourceOwner (username, password) VALUES (?, ?)
> AL>> DEBUG
[org.jboss.ejb.plugins.cmp.jdbc.JDBCCreateEntityCommand.ResourceOwner]
Create: Rows affected = 1
> AL>> ERROR [org.jboss.ejb.plugins.LogInterceptor]
TransactionRolledbackException, causedBy:
> AL>> java.lang.NullPointerException
> AL>> at
com.imedia.tracker.components.resourceowner.interfaces.ResourceOwnerPK.hashC
ode(ResourceOwnerPK.java:59)
>
> AL>> Here is hashCode function (the same in UserPK and ResourceOwnerPK):
> AL>> public int hashCode() {
> AL>> if( _hashCode == Integer.MIN_VALUE )
> AL>> _hashCode += this.username.hashCode(); // line 59
> AL>> return _hashCode;
> AL>> }
>
> AL>> Do someone have some thoughts on why it is happening? Any advices are
> AL>> very much appreciated.
>
> AL>> TIA!
>
> AL>> Environment: JBoss-3.1.0alpha, J2SDK1.4.0, Win2000
>
> --
> Best regards,
> Alex Loubyansky mailto:[EMAIL PROTECTED]
>
>
>
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