我收到以下错误：-登录错误。原因：无法获取 JDBC 连接；嵌套异常是 com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'dbname'当我尝试连接错误的数据库时。但我想处理该异常并想显示一些自定义消息。
这是我的配置文件：- Spring-security.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security"
xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.1.xsd">
<!--<http pattern="/abc/**" security="none" /> -->
<http auto-config="true" use-expressions="true">
<intercept-url pattern="/admin*" access="hasRole('SYS_ADMIN')" />
<intercept-url pattern="/cab-stop-admin*" access="hasAnyRole('SYS_ADMIN','CABSTOP_ADMIN')" />
<intercept-url pattern="/driver*" access="hasAnyRole('DRIVER','SYS_ADMIN','CABSTOP_ADMIN')" />
<intercept-url pattern="/customer*" access="hasAnyRole('CUSTOMER','SYS_ADMIN','CABSTOP_ADMIN')" />
<form-login login-page="/login" default-target-url="/role-check"
authentication-failure-url="/login?error=true" />
<remember-me key="_spring_security_remember_me"/>
<logout logout-success-url="/login" />
</http>
<authentication-manager>
<authentication-provider>
<password-encoder hash="md5" />
<jdbc-user-service data-source-ref="fmsDataSource"
users-by-username-query="select Username,Password, 'true' as enabled from login_details where Username=?"
authorities-by-username-query="select u.Username, ur.Role_Name from login_details u, role_master ur where u.Role_Master_Id = ur.Role_Master_Id and u.Username =? " />
</authentication-provider>
</authentication-manager>
</beans:beans>
登录.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ page contentType="text/html;charset=UTF-8"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<jsp:include page="header.jsp" />
<html>
<head>
<title><spring:message code="message.home" /></title>
</head>
<body>
<c:if test="${not empty param.error}">
<font color="red"><br /> Login error.
Reason : ${sessionScope["SPRING_SECURITY_LAST_EXCEPTION"].message} </font>
</c:if>
<form name="loginForm" onsubmit="return validateForm();">
<h1><spring:message code="message.login" /></h1>
<table>
<tr>
<td align="right"><spring:message code="message.username"
text="default text" /></td>
<td><input type="text" name="j_username" id="j_username" autofocus="autofocus"/></td>
</tr>
<tr>
<td align="right"><spring:message code="message.password"
text="default text" /></td>
<td><input type="password" name="j_password" /></td>
</tr>
<tr>
<label for='_spring_security_remember_me'>
Remember me:
<input type='checkbox' name='_spring_security_remember_me' value="on"/>
</tr>
<tr>
<td colspan="2" align="right"><input type="submit"
value="<spring:message code="message.login" />" /></td>
<td colspan="2" align="right"><a href="<%=request.getContextPath()%>/customer/register"><spring:message
code="message.register" text="default text" /></a></td>
</tr>
<tr>
<td colspan="2" align="right"><a href="<%=request.getContextPath()%>/forgot-password"><spring:message
code="message.forgotpassword" text="default text" /></a></td>
</tr>
</table>
</form>
</body>
<jsp:include page="footer.jsp" />
</html>
休眠配置.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">
<context:component-scan base-package="com.cabfms.dao"/>
<!-- enable the configuration of transactional behavior based on annotations -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<bean id="fmsDataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource"
p:driverClassName="${db.driverClassName}" p:url="${db.url}"
p:username="${db.username}" p:password="${db.password}" />
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="fmsDataSource" />
<property name="packagesToScan" value="com.cabfms.entities" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="javax.persistence.validation.mode">none</prop>
</props>
<!--<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="javax.persistence.validation.mode">none</prop>
<prop key="hibernate.current_session_context_class">${hibernate.current_session_context_class}</prop>
<prop key="hibernate.connection.pool_size">${hibernate.connection.pool_size}</prop>
<prop key="hibernate.c3p0.min_size">${hibernate.c3p0.min_size}</prop>
<prop key="hibernate.c3p0.max_size">${hibernate.c3p0.max_size}</prop>
<prop key="hibernate.c3p0.timeout">${hibernate.c3p0.timeout}</prop>
<prop key="hibernate.c3p0.max_statements">${hibernate.c3p0.max_statements}</prop>
<prop key="hibernate.c3p0.idle_test_period">${hibernate.c3p0.idle_test_period}</prop>
</props>
--></property>
</bean>
<!--Transaction Manager Added -->
<bean id = "transactionManager" class = "org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name = "sessionFactory" ref = "sessionFactory" />
</bean>
</beans>
web.xml
<web-app>
<display-name>Web Application</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/dispatcher-servlet.xml,
/WEB-INF/hibernate-config.xml,
/WEB-INF/spring-security.xml,
/WEB-INF/application-context.xml
</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- Spring MVC -->
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<!--<url-pattern>/services/*</url-pattern> -->
<!--<url-pattern>/views/*</url-pattern> -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- Spring Security -->
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy
</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping><!--
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
-->
<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/error-page</location>
</error-page>
</web-app>