diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/PreparedStatementManagerImpl.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/PreparedStatementManagerImpl.java
index c2b92570d..a01899ea3 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/PreparedStatementManagerImpl.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/PreparedStatementManagerImpl.java
@@ -32,8 +32,10 @@ import org.apache.openjpa.jdbc.sql.RowImpl;
 import org.apache.openjpa.jdbc.sql.SQLExceptions;
 import org.apache.openjpa.kernel.OpenJPAStateManager;
 import org.apache.openjpa.lib.util.Localizer;
+import org.apache.openjpa.util.ApplicationIds;
 import org.apache.openjpa.util.OpenJPAException;
 import org.apache.openjpa.util.OptimisticException;
+import org.apache.openjpa.meta.ClassMetaData;
 
 /**
  * Basic prepared statement manager implementation.
@@ -119,6 +121,8 @@ public class PreparedStatementManagerImpl
                 mapping.assertJoinable(autoAssign[i]).setAutoAssignedValue(sm,
                     _store, autoAssign[i], val);
             }
+            sm.setObjectId(
+                ApplicationIds.create(sm.getPersistenceCapable(), mapping));
         }
     }
 
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/enhance/TestDataCachingAndUnenhancedPropertyAccess.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/enhance/TestDataCachingAndUnenhancedPropertyAccess.java
new file mode 100644
index 000000000..489d2a52d
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/enhance/TestDataCachingAndUnenhancedPropertyAccess.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.openjpa.enhance;
+
+import java.util.List;
+import javax.persistence.EntityManager;
+
+import org.apache.openjpa.persistence.OpenJPAEntityManager;
+import org.apache.openjpa.persistence.test.SingleEMFTestCase;
+
+public class TestDataCachingAndUnenhancedPropertyAccess
+    extends SingleEMFTestCase {
+
+    @Override
+    public void setUp() {
+        setUp(UnenhancedIdentityIdPropertyAccess.class, CLEAR_TABLES,
+            "openjpa.DataCache", "true",
+            "openjpa.RemoteCommitProvider", "sjvm");
+    }
+
+    public void testSimpleDataCacheOperation() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        em.persist(new UnenhancedIdentityIdPropertyAccess());
+        em.getTransaction().commit();
+        em.close();
+    }
+
+    public void testAccessIdBeforeCommit() {
+        OpenJPAEntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        UnenhancedIdentityIdPropertyAccess o =
+            new UnenhancedIdentityIdPropertyAccess();
+        em.persist(o);
+        em.getObjectId(o);
+        em.getTransaction().commit();
+        em.close();
+    }
+}
\ No newline at end of file
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/enhance/UnenhancedIdentityIdPropertyAccess.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/enhance/UnenhancedIdentityIdPropertyAccess.java
new file mode 100644
index 000000000..c1088af98
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/enhance/UnenhancedIdentityIdPropertyAccess.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.openjpa.enhance;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.PrePersist;
+
+import org.apache.openjpa.persistence.OpenJPAPersistence;
+
+@Entity
+public class UnenhancedIdentityIdPropertyAccess {
+
+    private int id;
+    private String stringField;
+
+    public UnenhancedIdentityIdPropertyAccess() {
+    }
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getStringField() {
+        return stringField;
+    }
+
+    public void setStringField(String stringField) {
+        this.stringField = stringField;
+    }
+}
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/datacache/IdentityIdClass.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/datacache/IdentityIdClass.java
new file mode 100644
index 000000000..245915e70
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/datacache/IdentityIdClass.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.openjpa.persistence.datacache;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class IdentityIdClass {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    private String stringField;
+}
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/datacache/TestAutoIncrementAndDataCaching.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/datacache/TestAutoIncrementAndDataCaching.java
new file mode 100644
index 000000000..cc1484690
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/datacache/TestAutoIncrementAndDataCaching.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.openjpa.persistence.datacache;
+
+import javax.persistence.EntityManager;
+
+import org.apache.openjpa.persistence.OpenJPAEntityManager;
+import org.apache.openjpa.persistence.test.SingleEMFTestCase;
+
+public class TestAutoIncrementAndDataCaching
+    extends SingleEMFTestCase {
+
+    @Override
+    public void setUp() {
+        setUp(IdentityIdClass.class, CLEAR_TABLES,
+            "openjpa.DataCache", "true",
+            "openjpa.RemoteCommitProvider", "sjvm");
+    }
+
+    public void testSimpleDataCacheOperation() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        em.persist(new IdentityIdClass());
+        em.getTransaction().commit();
+        em.close();
+    }
+
+    public void testAccessIdBeforeCommit() {
+        OpenJPAEntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        IdentityIdClass o = new IdentityIdClass();
+        em.persist(o);
+        em.getObjectId(o);
+        em.getTransaction().commit();
+        em.close();
+    }
+}
\ No newline at end of file