�??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#25104;&#20154;&#31119;&#21033;&#22312;&#32447;&#44;&#20122;&#27954;&#22269;&#20135;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#39640;&#28165;&#44;&#19968;&#21306;&#20108;&#21306;&#22269;&#20135;&#31934;&#21697;&#35270;&#39057;</title><link>http://www.aygfsteel.com/gnl/category/53596.html</link><description>java 学习</description><language>zh-cn</language><lastBuildDate>Thu, 04 Jul 2013 07:55:13 GMT</lastBuildDate><pubDate>Thu, 04 Jul 2013 07:55:13 GMT</pubDate><ttl>60</ttl><item><title>mybatis 学习记录</title><link>http://www.aygfsteel.com/gnl/archive/2013/07/04/401206.html</link><dc:creator>一�?/dc:creator><author>一�?/author><pubDate>Thu, 04 Jul 2013 04:10:00 GMT</pubDate><guid>http://www.aygfsteel.com/gnl/archive/2013/07/04/401206.html</guid><wfw:comment>http://www.aygfsteel.com/gnl/comments/401206.html</wfw:comment><comments>http://www.aygfsteel.com/gnl/archive/2013/07/04/401206.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/gnl/comments/commentRss/401206.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/gnl/services/trackbacks/401206.html</trackback:ping><description><![CDATA[在mybatis 中无法插入记�?br /><br />昄���信息如下�Q?br /><br /><div>SLF4J: This version of SLF4J requires log4j version 1.2.12 or later. See also http://www.slf4j.org/codes.html#log4j_version<br />0&nbsp;&nbsp;&nbsp; DEBUG [main]&nbsp; org.apache.ibatis.logging.LogFactory&nbsp;&nbsp;&nbsp;&nbsp; - Logging initialized using 'class org.apache.ibatis.logging.slf4j.Slf4jImpl' adapter.<br />31&nbsp;&nbsp; DEBUG [main] org.apache.ibatis.datasource.pooled.PooledDataSource&nbsp;&nbsp;&nbsp;&nbsp; - PooledDataSource forcefully closed/removed all connections.<br />31&nbsp;&nbsp; DEBUG [main] org.apache.ibatis.datasource.pooled.PooledDataSource&nbsp;&nbsp;&nbsp;&nbsp; - PooledDataSource forcefully closed/removed all connections.<br />31&nbsp;&nbsp; DEBUG [main] org.apache.ibatis.datasource.pooled.PooledDataSource&nbsp;&nbsp;&nbsp;&nbsp; - PooledDataSource forcefully closed/removed all connections.<br />31&nbsp;&nbsp; DEBUG [main] org.apache.ibatis.datasource.pooled.PooledDataSource&nbsp;&nbsp;&nbsp;&nbsp; - PooledDataSource forcefully closed/removed all connections.<br />140&nbsp; DEBUG [main] org.apache.ibatis.transaction.jdbc.JdbcTransaction&nbsp;&nbsp;&nbsp;&nbsp; - Opening JDBC Connection<br />483&nbsp; DEBUG [main] org.apache.ibatis.datasource.pooled.PooledDataSource&nbsp;&nbsp;&nbsp;&nbsp; - Created connection 6259058.<br />483&nbsp; DEBUG [main] com.te.mybatis.persitence.ifance.PersonDao.insertperson&nbsp;&nbsp;&nbsp;&nbsp; - ooo Using Connection [com.mysql.jdbc.JDBC4Connection@5f8172]<br />483&nbsp; DEBUG [main] com.te.mybatis.persitence.ifance.PersonDao.insertperson&nbsp;&nbsp;&nbsp;&nbsp; - ==&gt;&nbsp; Preparing: insert into person(username) values('tomcat23') <br />530&nbsp; DEBUG [main] com.te.mybatis.persitence.ifance.PersonDao.insertperson&nbsp;&nbsp;&nbsp;&nbsp; - ==&gt; Parameters: <br /><span style="color: red;">530&nbsp; DEBUG [main] org.apache.ibatis.transaction.jdbc.JdbcTransaction&nbsp;&nbsp;&nbsp;&nbsp; - Rolling back JDBC Connection [com.mysql.jdbc.JDBC4Connection@5f8172]</span><br />561&nbsp; DEBUG [main] org.apache.ibatis.transaction.jdbc.JdbcTransaction&nbsp;&nbsp;&nbsp;&nbsp; - Resetting autocommit to true on JDBC Connection [com.mysql.jdbc.JDBC4Connection@5f8172]<br />561&nbsp; DEBUG [main] org.apache.ibatis.transaction.jdbc.JdbcTransaction&nbsp;&nbsp;&nbsp;&nbsp; - Closing JDBC Connection [com.mysql.jdbc.JDBC4Connection@5f8172]<br />561&nbsp; DEBUG [main] org.apache.ibatis.datasource.pooled.PooledDataSource&nbsp;&nbsp;&nbsp;&nbsp; - Returned connection 6259058 to pool.<br /><br />�q�行插入语句始终不能成功�Q�但是一直没有注意这个语�?br /><div><span style="color: red;">530&nbsp; DEBUG [main]  org.apache.ibatis.transaction.jdbc.JdbcTransaction&nbsp;&nbsp;&nbsp;&nbsp; - Rolling back  JDBC Connection [com.mysql.jdbc.JDBC4Connection@5f8172]</span></div>想一惛_��insert里面也没有用��C��务啊�Q�不知道是什么原因？<br /><br />在执行语句出��d��事务提交 ���可以插入成�?�Q?br /><br /><div>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; SqlSession sqlsesstion = sc.openSession();<br /><br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;sqlsesstion.insert("insertperson", person);<br />&nbsp;&nbsp; &nbsp;<span style="color: red;">&nbsp;&nbsp; &nbsp;sqlsesstion.commit();</span>&nbsp; //�q�不知道是什么原因要提交事务才可以插入数据成功，但是每一�ơ似乎都�Ҏ(gu��)��据库产生了媄�?br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; sqlsesstion.close();</div><br /><div><img 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alt="" /><br /><br />有一点�ؕ �Q�！�Q?/div><br /><br /><br /><br /><br /></div><img src ="http://www.aygfsteel.com/gnl/aggbug/401206.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/gnl/" target="_blank">一�?/a> 2013-07-04 12:10 <a href="http://www.aygfsteel.com/gnl/archive/2013/07/04/401206.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>ibatis 中��用select 查询 数据库中存在查询��Ҏ(gu��)��null 是报�?/title><link>http://www.aygfsteel.com/gnl/archive/2013/05/19/379330.html</link><dc:creator>一�?/dc:creator><author>一�?/author><pubDate>Sun, 19 May 2013 13:31:00 GMT</pubDate><guid>http://www.aygfsteel.com/gnl/archive/2013/05/19/379330.html</guid><wfw:comment>http://www.aygfsteel.com/gnl/comments/379330.html</wfw:comment><comments>http://www.aygfsteel.com/gnl/archive/2013/05/19/379330.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/gnl/comments/commentRss/379330.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/gnl/services/trackbacks/379330.html</trackback:ping><description><![CDATA[在��用ibatis �q�行查询数据库是报错<br />错误如下�Q?br /><br />查询��p�| &nbsp;<br />--- The error occurred in com/sqlmap/person.xml. &nbsp;<br />--- The error occurred while applying a result map. &nbsp;<br />--- Check the lisper-AutoResultMap. &nbsp;<br />--- The error happened while setting a property on the result object. &nbsp;<br />--- <span style="color: red;">Cause: com.ibatis.common.exception.NestedRuntimeException: Error setting properties of '230kims&nbsp;&nbsp;&nbsp;</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00'.&nbsp; Cause: java.lang.IllegalArgumentException<br />Caused by: java.lang.IllegalArgumentException<br />com.ibatis.common.jdbc.exception.NestedSQLException:&nbsp; &nbsp;<br />--- The error occurred in com/sqlmap/person.xml. &nbsp;<br />--- The error occurred while applying a result map. &nbsp;<br />--- Check the lisper-AutoResultMap. &nbsp;<br />--- The error happened while setting a property on the result object. &nbsp;<br />--- Cause: com.ibatis.common.exception.NestedRuntimeException: Error setting properties of '230kims&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00'.&nbsp; Cause: java.lang.IllegalArgumentException<br />Caused by: java.lang.IllegalArgumentException<br />Caused by: com.ibatis.common.exception.NestedRuntimeException: Error setting properties of '230kims&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00'.&nbsp; Cause: java.lang.IllegalArgumentException<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:188)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:610)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:584)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:101)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:78)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.lsper(PersonDaoIm.java:43)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:67)<br />Caused by: com.ibatis.common.exception.NestedRuntimeException: Error setting properties of '230kims&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00'.&nbsp; Cause: java.lang.IllegalArgumentException<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:51)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.exchange.JavaBeanDataExchange.setData(JavaBeanDataExchange.java:112)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.setResultObjectValues(BasicResultMap.java:333)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.RowHandlerCallback.handleResultObject(RowHandlerCallback.java:63)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:391)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:184)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteQuery(GeneralStatement.java:205)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:173)<br />&nbsp;&nbsp; &nbsp;... 7 more<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:45)<br />&nbsp;&nbsp; &nbsp;... 14 more<br /><br />Caused by: <br />com.ibatis.common.exception.NestedRuntimeException: Error setting properties of '230kims&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00'.&nbsp; Cause: java.lang.IllegalArgumentException<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:51)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.exchange.JavaBeanDataExchange.setData(JavaBeanDataExchange.java:112)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.setResultObjectValues(BasicResultMap.java:333)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.RowHandlerCallback.handleResultObject(RowHandlerCallback.java:63)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:391)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:184)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteQuery(GeneralStatement.java:205)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:173)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:610)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:584)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:101)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:78)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.lsper(PersonDaoIm.java:43)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:67)<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:45)<br />&nbsp;&nbsp; &nbsp;... 14 more<br /><br />Caused by: <br />java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:45)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.exchange.JavaBeanDataExchange.setData(JavaBeanDataExchange.java:112)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.setResultObjectValues(BasicResultMap.java:333)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.RowHandlerCallback.handleResultObject(RowHandlerCallback.java:63)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:391)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:184)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteQuery(GeneralStatement.java:205)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:173)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:610)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:584)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:101)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:78)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.lsper(PersonDaoIm.java:43)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:67)<br /><br />Caused by: <br />com.ibatis.common.exception.NestedRuntimeException: Error setting properties of '230kims&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00'.&nbsp; Cause: java.lang.IllegalArgumentException<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:51)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.exchange.JavaBeanDataExchange.setData(JavaBeanDataExchange.java:112)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.setResultObjectValues(BasicResultMap.java:333)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.RowHandlerCallback.handleResultObject(RowHandlerCallback.java:63)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:391)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:184)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteQuery(GeneralStatement.java:205)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:173)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:610)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:584)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:101)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:78)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.lsper(PersonDaoIm.java:43)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:67)<br />Caused by: java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:45)<br />&nbsp;&nbsp; &nbsp;... 14 more<br /><br />Caused by: <br />java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:45)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.exchange.JavaBeanDataExchange.setData(JavaBeanDataExchange.java:112)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.setResultObjectValues(BasicResultMap.java:333)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.RowHandlerCallback.handleResultObject(RowHandlerCallback.java:63)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:391)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:184)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteQuery(GeneralStatement.java:205)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:173)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:610)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:584)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:101)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:78)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.lsper(PersonDaoIm.java:43)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:67)<br /><br />Caused by: <br />java.lang.IllegalArgumentException<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.accessplan.PropertyAccessPlan.setProperties(PropertyAccessPlan.java:45)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.exchange.JavaBeanDataExchange.setData(JavaBeanDataExchange.java:112)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.setResultObjectValues(BasicResultMap.java:333)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.RowHandlerCallback.handleResultObject(RowHandlerCallback.java:63)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:391)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:184)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteQuery(GeneralStatement.java:205)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:173)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:610)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:584)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:101)<br />&nbsp;&nbsp; &nbsp;at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:78)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.lsper(PersonDaoIm.java:43)<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:67)<br />Exception in thread "main" java.lang.NullPointerException<br />&nbsp;&nbsp; &nbsp;at com.bean.persondaoim.PersonDaoIm.main(PersonDaoIm.java:70)<br /><br /><br /><img src ="http://www.aygfsteel.com/gnl/aggbug/379330.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/gnl/" target="_blank">一�?/a> 2013-05-19 21:31 <a href="http://www.aygfsteel.com/gnl/archive/2013/05/19/379330.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>ibatis2.3.4 开发学�?/title><link>http://www.aygfsteel.com/gnl/archive/2012/08/19/385761.html</link><dc:creator>一�?/dc:creator><author>一�?/author><pubDate>Sun, 19 Aug 2012 03:13:00 GMT</pubDate><guid>http://www.aygfsteel.com/gnl/archive/2012/08/19/385761.html</guid><wfw:comment>http://www.aygfsteel.com/gnl/comments/385761.html</wfw:comment><comments>http://www.aygfsteel.com/gnl/archive/2012/08/19/385761.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/gnl/comments/commentRss/385761.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/gnl/services/trackbacks/385761.html</trackback:ping><description><![CDATA[<div align="center"> &nbsp;&nbsp;&nbsp;<span style="font-size: 24pt;"> *******ibatis 学习�W�记**********</span></div>&nbsp;&nbsp; &nbsp;<br />1.加蝲ibatis开发jar�?br />2.建立配置数据库配�|�文�?nbsp;&nbsp; &nbsp;<br />3.建立ibatis的配�|�文件SqlMapconfig.xml<br />4.建立于数据库相对应的javabean&nbsp;&nbsp; &nbsp;<br />5.数据库持久层设计<br />6.�Ҏ(gu��)��DAO模式�q�行�~�码设计底层调用�c?br /><br /><br />&nbsp;&nbsp; &nbsp;<br />1.加蝲ibatis开发jar包（�q�里开发环境是myeclipse�?建立一个java工程,�q�里以老版本的ibatis-2.3.4.726�q�行开发）<br />&nbsp;&nbsp; &nbsp;<br />2.建立配置数据库配�|�文�Ӟ��数据库的配置文�g是对数据库驱�q�行���理�Q?br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 也可以将数据库的配置写到SqlMapConfig.xml中，写配�|�文件是便于引用不同的数据库�Q?br />&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<br />3.建立ibatis的配�|�文件SqlMapconfig.xml<br />&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;�Q?�Q�定义文���类�?br />&nbsp;&nbsp; &nbsp;&lt;!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"&nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp; "http://ibatis.apache.org/dtd/sql-map-config-2.dtd"&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;�Q?�Q�在ibatis的配�|�文件中指定数据库配�|�文件的位置<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;定义��d��数据库配�|�的位置 <br />&nbsp;&nbsp; &nbsp;&lt;properties resource="properties/dbproperties.properties" /&gt;<br />&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;�Q?�Q�数据库�q�接���理<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; 具体指定�q�接的驱动类�?<br />&nbsp;&nbsp; &nbsp;&lt;transactionManager type="JDBC"&gt;<br /><br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; 数据���理形式 <br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;dataSource type="SIMPLE"&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;property name="JDBC.Driver" value="${driver}" /&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;property name="JDBC.ConnectionURL" value="${url}" /&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;property name="JDBC.Username" value="${username}" /&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;property name="JDBC.Password" value="${password}" /&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;/dataSource&gt;<br />&nbsp;&nbsp; &nbsp;&lt;/transactionManager&gt;<br />&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;�Q?�Q�调用数据库持久层设计（实际开发中时先建立好数据库操作后然在这里注册）<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; 数据库持久层的调�?br />&nbsp;&nbsp; &nbsp;&lt;sqlMap resource="com/li/ibatisxml/Person.xml" /&gt;<br />4建立与数据库对应的javaben<br />&nbsp;&nbsp; &nbsp;�Ҏ(gu��)��需要对数据库的字段生成setter和getter�Ҏ(gu��)��<br />&nbsp;&nbsp; &nbsp;<br />5建立数据库操作设�?br />&nbsp;&nbsp; &nbsp;建立的对javabean的操作即Person.xml�Q�注意文���类型）<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;?xml version="1.0" encoding="UTF-8" ?&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; "http://ibatis.apache.org/dtd/sql-map-2.dtd"&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;指定一个操作的命名�I�间<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;sqlMap namespace="Person"&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;为操作类指定一个简�?br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;typeAlias alias="person" type="com.li.bean.Person" /&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;指定一个调用名�U�和�q�回值类�?br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;select id="listallperson" resultClass="person"&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;select * from Person<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;/select&gt;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;/sqlMap&gt;<br />&nbsp;&nbsp; &nbsp;<br />6�~�写DAO设计�q�行ibats的调�?br />&nbsp;&nbsp; &nbsp;�Q?�Q�在调用�c�里面进行ibats的注�?br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;//加蝲ibats的管理配�|?br />&nbsp;&nbsp; &nbsp;static String resource = "com/li/ibatisxml/SqlMapconfig.xml";<br />&nbsp;&nbsp; &nbsp;private static SqlMapClient sqlmapclient;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;Reader reader = Resources.getResourceAsReader(resource);<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;//获得ibatis的调用客��L��<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;sqlmapclient = SqlMapClientBuilder.buildSqlMapClient(reader);<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br />&nbsp;&nbsp; &nbsp;�Q?�Q�调用ibatis<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;�Ҏ(gu��)��名字���是xml中指定的�Ҏ(gu��)��名称<br />&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;sqlmapclient.queryForList("listallperson");<br /><br /><br />&nbsp;&nbsp; �E�序例子 &nbsp;&nbsp; <div><a href="../../Files/gnl/demo.rar">/Files/gnl/demo.rar</a></div><img src ="http://www.aygfsteel.com/gnl/aggbug/385761.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/gnl/" target="_blank">一�?/a> 2012-08-19 11:13 <a href="http://www.aygfsteel.com/gnl/archive/2012/08/19/385761.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>                                         <footer>
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