我已经使用Informix数据库实现了Datanucleus JDO 5.0.10。我设法得到PMF，我的查询正在编译，但没有返回任何结果。
我试图更改datanucleus的版本，但错误仍然出现;升级和降级。
这是我得到的堆栈跟踪：
javax.jdo.JDOUserException: Exception thrown while loading remaining rows of query at org.datanucleus.api.jdo.JDOAdapter.getUserExceptionForException(JDOAdapter.java:670)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.closingConnection(ForwardQueryResult.java:310)
at org.datanucleus.store.query.AbstractQueryResult.disconnect(AbstractQueryResult.java:105)
at org.datanucleus.store.rdbms.query.AbstractRDBMSQueryResult.disconnect(AbstractRDBMSQueryResult.java:248)
at org.datanucleus.store.rdbms.query.JDOQLQuery$2.managedConnectionPreClose(JDOQLQuery.java:734)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.close(ConnectionFactoryImpl.java:519)
at org.datanucleus.store.connection.AbstractManagedConnection.release(AbstractManagedConnection.java:83)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.release(ConnectionFactoryImpl.java:353)
at org.datanucleus.store.rdbms.query.JDOQLQuery.performExecute(JDOQLQuery.java:809)
at org.datanucleus.store.query.Query.executeQuery(Query.java:1926)
at org.datanucleus.store.query.Query.executeWithArray(Query.java:1815)
at org.datanucleus.api.jdo.JDOQuery.executeInternal(JDOQuery.java:431)
at org.datanucleus.api.jdo.JDOQuery.executeWithArray(JDOQuery.java:318)
at com.swanretail.server.service.LocalClientPM.execute(LocalClientPM.java:143)
at com.swanretail.service.Context.execute(Context.java:408)
at com.swanretail.service.QueryBuilder.execute(QueryBuilder.java:286)
at com.swanretail.service.SystemService.getLicencedUsers(SystemService.java:1930)
at com.swanretail.jdo.Main.main(Main.java:99)
NestedThrowablesStackTrace:
javax.jdo.JDODataStoreException: Failed to read the result set : ResultSet not open, operation 'next' not permitted. Verify that autocommit is OFF
at org.datanucleus.api.jdo.JDOAdapter.getDataStoreExceptionForException(JDOAdapter.java:681)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.nextResultSetElement(ForwardQueryResult.java:238)
at org.datanucleus.store.rdbms.query.ForwardQueryResult$QueryResultIterator.next(ForwardQueryResult.java:416)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.processNumberOfResults(ForwardQueryResult.java:143)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.advanceToEndOfResultSet(ForwardQueryResult.java:171)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.closingConnection(ForwardQueryResult.java:298)
at org.datanucleus.store.query.AbstractQueryResult.disconnect(AbstractQueryResult.java:105)
at org.datanucleus.store.rdbms.query.AbstractRDBMSQueryResult.disconnect(AbstractRDBMSQueryResult.java:248)
at org.datanucleus.store.rdbms.query.JDOQLQuery$2.managedConnectionPreClose(JDOQLQuery.java:734)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.close(ConnectionFactoryImpl.java:519)
at org.datanucleus.store.connection.AbstractManagedConnection.release(AbstractManagedConnection.java:83)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.release(ConnectionFactoryImpl.java:353)
at org.datanucleus.store.rdbms.query.JDOQLQuery.performExecute(JDOQLQuery.java:809)
at org.datanucleus.store.query.Query.executeQuery(Query.java:1926)
at org.datanucleus.store.query.Query.executeWithArray(Query.java:1815)
at org.datanucleus.api.jdo.JDOQuery.executeInternal(JDOQuery.java:431)
at org.datanucleus.api.jdo.JDOQuery.executeWithArray(JDOQuery.java:318)
at com.swanretail.server.service.LocalClientPM.execute(LocalClientPM.java:143)
at com.swanretail.service.Context.execute(Context.java:408)
at com.swanretail.service.QueryBuilder.execute(QueryBuilder.java:286)
at com.swanretail.service.SystemService.getLicencedUsers(SystemService.java:1930)
at com.swanretail.jdo.Main.main(Main.java:99)
NestedThrowablesStackTrace:
java.sql.SQLException: ResultSet not open, operation 'next' not permitted. Verify that autocommit is OFF
at com.informix.util.IfxErrMsg.buildException(IfxErrMsg.java:480)
at com.informix.util.IfxErrMsg.getSQLException(IfxErrMsg.java:449)
at com.informix.util.IfxErrMsg.getSQLException(IfxErrMsg.java:400)
at com.informix.jdbc.IfxResultSet.next(IfxResultSet.java:442)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.nextResultSetElement(ForwardQueryResult.java:220)
at org.datanucleus.store.rdbms.query.ForwardQueryResult$QueryResultIterator.next(ForwardQueryResult.java:416)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.processNumberOfResults(ForwardQueryResult.java:143)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.advanceToEndOfResultSet(ForwardQueryResult.java:171)
at org.datanucleus.store.rdbms.query.ForwardQueryResult.closingConnection(ForwardQueryResult.java:298)
at org.datanucleus.store.query.AbstractQueryResult.disconnect(AbstractQueryResult.java:105)
at org.datanucleus.store.rdbms.query.AbstractRDBMSQueryResult.disconnect(AbstractRDBMSQueryResult.java:248)
at org.datanucleus.store.rdbms.query.JDOQLQuery$2.managedConnectionPreClose(JDOQLQuery.java:734)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.close(ConnectionFactoryImpl.java:519)
at org.datanucleus.store.connection.AbstractManagedConnection.release(AbstractManagedConnection.java:83)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.release(ConnectionFactoryImpl.java:353)
at org.datanucleus.store.rdbms.query.JDOQLQuery.performExecute(JDOQLQuery.java:809)
at org.datanucleus.store.query.Query.executeQuery(Query.java:1926)
at org.datanucleus.store.query.Query.executeWithArray(Query.java:1815)
at org.datanucleus.api.jdo.JDOQuery.executeInternal(JDOQuery.java:431)
at org.datanucleus.api.jdo.JDOQuery.executeWithArray(JDOQuery.java:318)
at com.swanretail.server.service.LocalClientPM.execute(LocalClientPM.java:143)
at com.swanretail.service.Context.execute(Context.java:408)
at com.swanretail.service.QueryBuilder.execute(QueryBuilder.java:286)
at com.swanretail.service.SystemService.getLicencedUsers(SystemService.java:1930)
at com.swanretail.jdo.Main.main(Main.java:99)