Your AliasesDaoImpl should have a public constructor that takes a DaoManager as its single argument. Can you check that this is the case?
Hth, Niels ________________________________ From: Paul Ski [mailto:[EMAIL PROTECTED] Sent: Sunday, September 07, 2008 3:47 AM To: [email protected] Subject: java.lang.InstantiationException using Ibatis DAO Hi list, Environment: - Windows XP - Java(TM) SE Runtime Environment (build 1.6.0_10-rc-b28) - Eclipse Version: 3.4.0 Build id: I20080617-2000 - Ibatis 2.3.0.677 Project Jars: mysql-connector-java-5.1.6-bin.jar ibatis-2.3.0.677.jar ibatis-dao-2.jar I've created a class to return me a DaoManager object ---snip--- import java.io.Reader; import com.ibatis.common.resources.Resources; import com.ibatis.dao.client.DaoManager; import com.ibatis.dao.client.DaoManagerBuilder; public class DaoManagerMapper { private static final DaoManager daoManager; static { try { Reader reader = Resources.getResourceAsReader ( "dao.xml" ); daoManager = DaoManagerBuilder.buildDaoManager ( reader ); } catch ( Exception e ) { throw new RuntimeException ( "Could not initialize DaoManager. Cause: " + e ); } } public static DaoManager getDaoManager () { return daoManager; } } ---snip--- Test stub to call the code is: ---snip--- import com.ibatis.dao.client.DaoManager; import com.intient.smash.ibatis.Aliases; import com.intient.smash.ibatis.impl.AliasesDAO; public class TestDaoManagerMapper { public TestDaoManagerMapper () { try { DaoManager daoManager = DaoManagerMapper.getDaoManager (); AliasesDAO aliasesDao = (AliasesDAO)daoManager .getDao ( AliasesDAO.class ); try { ... } catch ( Exception e ) { e.printStackTrace (); } } public static void main ( String[] args ) { new TestDaoManagerMapper (); } } ---snip--- DAO Config: ---snip--- <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE daoConfig PUBLIC "-//ibatis.apache.org//DTD DAO Configuration 2.0//EN" "http://ibatis.apache.org/dtd/dao-2.dtd";> <daoConfig> <context> <transactionManager type="SQLMAP"> <property name="SqlMapConfigResource" value="sqlMapConfig.xml" /> </transactionManager> <!-- DAO interfaces and implementations should be listed here --> <dao interface="com.intient.smash.ibatis.impl.AliasesDAO" implementation="com.intient.smash.ibatis.impl.AliasesDAOImpl" /> ... </context> </daoConfig> ---snip--- ---snip--- <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd";> <sqlMapConfig> <settings useStatementNamespaces="true" /> <transactionManager type="JDBC"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="com.mysql.jdbc.Driver" /> <property name="JDBC.ConnectionURL" value="jdbc:mysql://localhost/xxxxxxxx" /> <property name="JDBC.Username" value="xxxxxxxx" /> <property name="JDBC.Password" value="xxxxxxxx" /> <property name="JDBC.DefaultAutoCommit" value="true" /> </dataSource> </transactionManager> <sqlMap resource="com/intient/smash/ibatis/maps/aliases_SqlMap.xml" /> ... </sqlMapConfig> ---snip--- Exception: ---snip--- Exception in thread "main" java.lang.ExceptionInInitializerError at com.intient.smash.TestDaoManagerMapper.<init>(TestDaoManagerMapper.java: 14) at com.intient.smash.TestDaoManagerMapper.main(TestDaoManagerMapper.java:40 ) Caused by: java.lang.RuntimeException: Could not initialize DaoManager. Cause: com.ibatis.dao.client.DaoException: Error while configuring DaoManager. Cause: com.ibatis.dao.client.DaoException: Error configuring DAO. Cause: java.lang.InstantiationException: com.intient.smash.ibatis.impl.AliasesDAOImpl at com.intient.smash.DaoManagerMapper.<clinit>(DaoManagerMapper.java:24) ... 2 more ---snip--- I can get the SQL Map to work against my database and pull out data but the above DAO code throws the above exception. Any ideas would be helpful. Thanks, Paul ________________________________ Enter today! Win a Hotmail Go-Kart to race at Bathurst. <http://www.livelife.ninemsn.com.au/compIntro.aspx?compId=4602>
