Return-Path: Delivered-To: apmail-openjpa-users-archive@minotaur.apache.org Received: (qmail 32929 invoked from network); 28 Jun 2009 12:19:47 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 28 Jun 2009 12:19:47 -0000 Received: (qmail 78842 invoked by uid 500); 28 Jun 2009 12:19:57 -0000 Delivered-To: apmail-openjpa-users-archive@openjpa.apache.org Received: (qmail 78797 invoked by uid 500); 28 Jun 2009 12:19:57 -0000 Mailing-List: contact users-help@openjpa.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@openjpa.apache.org Delivered-To: mailing list users@openjpa.apache.org Received: (qmail 78787 invoked by uid 99); 28 Jun 2009 12:19:57 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 28 Jun 2009 12:19:57 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of lists+1214986160035-208411@n2.nabble.com designates 216.139.236.158 as permitted sender) Received: from [216.139.236.158] (HELO kuber.nabble.com) (216.139.236.158) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 28 Jun 2009 12:19:48 +0000 Received: from tervel.nabble.com ([192.168.236.150]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1MKtLz-0003AM-Ag for users@openjpa.apache.org; Sun, 28 Jun 2009 05:19:27 -0700 Message-ID: <1246191567315-3169692.post@n2.nabble.com> Date: Sun, 28 Jun 2009 05:19:27 -0700 (PDT) From: letme To: users@openjpa.apache.org Subject: Embedded MappedSuperClass MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Nabble-From: tof@bgu.ac.il X-Virus-Checked: Checked by ClamAV on apache.org hi, I have a problem embedding a MappedSuperClass in another MappedSuperClass. I want my entity to have it's super class member (which is abstract). I get some null pointer exception in org.apache.openjpa.kernel.BrokerImpl.embed(BrokerImpl.java:2681) I have openjpa-1.2.1 I was wondering how can I achieve this structure: @MappedSuperClass abstract BaseClass1 { @Embeded BaseClass2 member; } @MappedSuperClass abstract BaseClass2{ @Base Something } @Entity Class1 extends BaseClass1 @Embedable Class2 extends BaseClass2 -- View this message in context: http://n2.nabble.com/Embedded-MappedSuperClass-tp3169692p3169692.html Sent from the OpenJPA Users mailing list archive at Nabble.com.