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java.lang.NullPointerException: 	at kodo.jdbc.sql.Select$SelectJoins.join(Select.java:2722)	at kodo.jdbc.sql.Select$SelectJoins.outerJoinRelation(Select.java:2702)	at kodo.jdbc.sql.Select.outerJoinRelation(Select.java:2059)	at kodo.jdbc.meta.OneToOneFieldMapping.eagerJoin(OneToOneFieldMapping.java:544)	at kodo.jdbc.meta.OneToOneFieldMapping.selectEagerJoin(OneToOneFieldMapping.java:491)	at kodo.jdbc.runtime.JDBCStoreManager.selectBaseMappings(JDBCStoreManager.java:1271)	at kodo.jdbc.runtime.JDBCStoreManager.selectMappings(JDBCStoreManager.java:1097)	at kodo.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManager.java:501)	at kodo.runtime.DelegatingStoreManager.load(DelegatingStoreManager.java:133)	at kodo.runtime.ROPStoreManager.load(ROPStoreManager.java:79)	at kodo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java:3128)	at kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.java:3227)	at kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:1368)	at com.commercehub.core.engine.Role.jdoGetimpl(Role.java)	at com.commercehub.core.engine.Role.getName(Role.java:123)	at NewRelnTest.testLoadRole1(NewRelnTest.java:60)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at junit.framework.TestCase.runTest(TestCase.java:154)	at junit.framework.TestCase.runBare(TestCase.java:127)	at junit.framework.TestResult$1.protect(TestResult.java:106)	at junit.framework.TestResult.runProtected(TestResult.java:124)	at junit.framework.TestResult.run(TestResult.java:109)	at junit.framework.TestCase.run(TestCase.java:118)	at junit.framework.TestSuite.runTest(TestSuite.java:208)	at junit.framework.TestSuite.run(TestSuite.java:203)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:436)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:311)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)