Calling ResultSet.next() failed

org.apache.ojb.broker.PersistenceBrokerSQLException: Calling ResultSet.next() failed
    at oracle.jdbc.driver.OracleResultSetImpl.next(OracleResultSetImpl.java:229)
    at org.apache.ojb.broker.accesslayer.RsIterator.hasNext(Unknown Source)
    at za.org.kuali.rice.krad.dao.impl.PagedCollection$PagedCollectionIterator.hasNext(PagedCollection.java:111)
    at java.util.AbstractCollection.toArray(AbstractCollection.java:139)
    at java.util.Collections.sort(Collections.java:216)
    at org.kuali.rice.kns.lookup.KualiLookupableHelperServiceImpl.getSearchResultsHelper(KualiLookupableHelperServiceImpl.java:374)
    at org.kuali.rice.kns.lookup.KualiLookupableHelperServiceImpl.getSearchResultsUnbounded(KualiLookupableHelperServiceImpl.java:75)
    at org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl.performLookup(AbstractLookupableHelperServiceImpl.java:1111)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:196)
    at com.sun.proxy.$Proxy94.performLookup(Unknown Source)
    at org.kuali.rice.kns.lookup.KualiLookupableImpl.performLookup(KualiLookupableImpl.java:307)
    at za.org.kuali.rice.krad.dao.impl.LookupDaoOjbOverrideTest.testLookup_ojb_fields(LookupDaoOjbOverrideTest.java:104)