When I recreated your example it worked.  But when I moved persisting the
entity from the test method to another method (in this case setup()) I get
the failure that I have been experiencing.  I am enclosing the entity, the
test, the persistence.xml and the stack trace.
<?xml version="1.0"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence";
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
	xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd";
	version="1.0">
	<persistence-unit name="mdd" transaction-type="RESOURCE_LOCAL">
		<class>com.ibm.ws.persistence.entities.Person</class>
 
		<properties>
			<property name="openjpa.ConnectionDriverName"
				value="org.apache.commons.dbcp.BasicDataSource" />
				
				
<!-- udb2 type 2-->
<!--
            	value="db2(StoreCharsAsNumbers=false)"/>
-->
<!--
-->
			<property name="openjpa.jdbc.DBDictionary"
            	value="db2(StoreCharsAsNumbers=true)"/>
			<property name="openjpa.ConnectionProperties"
				value="DriverClassName=com.ibm.db2.jcc.DB2Driver,Url=jdbc:db2:dbclnt,Username=georgeh,Password=g1h0ngell" />


			<property name="openjpa.jdbc.SynchronizeMappings"
					value="buildSchema(ForeignKeys=true)" />
			<property name="openjpa.Log" value="SQL=TRACE" />
			
		</properties>

	</persistence-unit>
</persistence>
<4|true|0.9.7-incubating-SNAPSHOT> 
org.apache.openjpa.persistence.ArgumentException: There is no query result 
mapping for "null" with name "SQLMapping".
        at 
org.apache.openjpa.jdbc.meta.MappingRepository.getQueryResultMapping(MappingRepository.java:175)
        at 
org.apache.openjpa.jdbc.kernel.SQLStoreQuery$SQLExecutor.<init>(SQLStoreQuery.java:174)
        at 
org.apache.openjpa.jdbc.kernel.SQLStoreQuery.newDataStoreExecutor(SQLStoreQuery.java:143)
        at 
org.apache.openjpa.kernel.QueryImpl.createExecutor(QueryImpl.java:718)
        at 
org.apache.openjpa.kernel.QueryImpl.compileForDataStore(QueryImpl.java:676)
        at 
org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:658)
        at org.apache.openjpa.kernel.QueryImpl.getOperation(QueryImpl.java:1463)
        at 
org.apache.openjpa.kernel.DelegatingQuery.getOperation(DelegatingQuery.java:120)
        at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:214)
        at 
org.apache.openjpa.persistence.QueryImpl.getSingleResult(QueryImpl.java:282)
        at 
com.ibm.ws.query.tests.SqlResultSetMapppingCompare.testSQLQuery(SqlResultSetMapppingCompare.java:63)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:615)
        at junit.framework.TestCase.runTest(Unknown Source)
        at junit.framework.TestCase.runBare(Unknown Source)
        at junit.framework.TestResult$1.protect(Unknown Source)
        at junit.framework.TestResult.runProtected(Unknown Source)
        at junit.framework.TestResult.run(Unknown Source)
        at junit.framework.TestCase.run(Unknown Source)
        at junit.framework.TestSuite.runTest(Unknown Source)
        at junit.framework.TestSuite.run(Unknown Source)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:478)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:344)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)

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