try {
trans = autoStartTransaction(sessionScope, autoStart, trans);
DEBUG.P("trans2=" + trans); //如com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransaction
StatementScope statementScope = beginStatementScope(sessionScope, ms);
try {
list = ms.executeQueryForList(statementScope, trans, paramObject, skip, max);
DEBUG.P("list=" + list); //通常为null
} finally {