訪問關係型數據,我下面這個文檔 -嵌套servlet異常,而使用JDBC與Spring
http://spring.io/guides/gs/relational-data-access/#scratch
設置數據源,並創建一個JdbcTemplate後 -
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriverClass(com.mysql.jdbc.Driver.class);
dataSource.setUsername("username");
dataSource.setUrl("jdbc:mysql:/uel.to.connect.the.db");
dataSource.setPassword("password");
JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
當我試圖做出選擇查詢 -
List<GameBean> results = jdbcTemplate.query("select * from Games",
new RowMapper<GameBean>() {
@Override
public GameBean mapRow(ResultSet rs, int rowNum) throws SQLException {
GameBean gb = new GameBean();
gb.setGameId(rs.getInt("GameId"));
gb.setGameName(rs.getString("GameName"));
return gb;
}
});
我收到一個錯誤提到「無法獲得JDBC連接;」
org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Access denied for user 'social_devuser'@'10.55.200.1' (using password: YES)
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:382)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:456)
org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:464)
com.service.games.dao.GamesDao.getAllGames(GamesDao.java:26)
com.service.games.SpringServiceController.getGreeting(SpringServiceController.java:24)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:214)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:748)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:822)
javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
任何人都可以建議我可能會在這裏失蹤?
你的數據源的url是否正確? – Prasad
數據源正在創建...該URL是正確的。 – webExplorer
我沒有看到它在你的日誌中的參考。 – Prasad