maven ssh的xml环境搭建及常见异常解决

创建maven项目后,毫不犹豫,超简单傻瓜式搞定dependencies(pom.xml 就是maven的依赖管理),这样你就有了所有你要的包

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.swift</groupId>
<artifactId>ssh-maven</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<!-- 属性 -->
<properties>
<argLine>-Dfile.encoding=UTF-8</argLine>  
<spring.version>4.2.4.RELEASE</spring.version>
<hibernate.version>5.0.7.Final</hibernate.version>
<struts.version>2.3.24</struts.version>
</properties>
<!-- 锁定版本，struts2-2.3.24、spring4.2.4、hibernate5.0.7 -->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>${struts.version}</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-convention-plugin</artifactId>
<version>${struts.version}</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>${struts.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<!-- 依赖管理 -->
<dependencies>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</dependency>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
</dependency>
<!-- 数据库驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
<scope>runtime</scope>
</dependency>
<!-- c3p0 -->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<!-- 导入 struts2 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-convention-plugin</artifactId>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
</dependency>
<!-- servlet jsp -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<!-- 日志 -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.2</version>
</dependency>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.9</version>
<scope>test</scope>
</dependency>
<!-- jstl -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.15</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.4</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.2.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<!-- 设置编译版本为1.7 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
</plugins>
</build>
</project>

接着我喜欢从web端开始,所以先弄的是struts2

一个简单的action

package com.swift.web;
import com.opensymphony.xwork2.ActionSupport;
import com.swift.entity.Customer;
import com.swift.service.CustomerService;
public class CustomerAction extends ActionSupport {
private Integer cid;
private String name;
private Customer cus;
private CustomerService customerService;
public void setName(String name) {
this.name = name;
}
public void setCustomerService(CustomerService customerService) {
this.customerService = customerService;
}
public Customer getCus() {
return cus;
}
public void setCid(Integer cid) {
this.cid = cid;
}
public String findById() throws Exception {
cus=customerService.findById(cid);
return "list";
}
public String add() throws Exception {
Customer customer=new Customer();
customer.setName(name);
customerService.add(customer);
return "index";
}
}

配合struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<package name="swift" extends="struts-default" namespace="/">
<action name="CustomerAction_*" class="customerAction" method="{1}">
<result name="list" type="dispatcher">list.jsp</result>
<result name="index" type="redirect">index.jsp</result>
</action>
</package>
</struts>

可以弄个网页先试试好用不(单独测struts不用spring整合,需要把上边的class=”customerAction”修改为Action类的全限定名)

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
欢迎您登录首页
<hr />
<form action="${pageContext.request.contextPath }/CustomerAction_findById" method="post">
<span>请输入客户编号:</span>
<input type="text" name="cid" >
<input type="submit" value="查询" >
</form>
<hr />
<form action="${pageContext.request.contextPath }/CustomerAction_add" method="post">
<span>请录入客户姓名:</span>
<input type="text" name="name" >
<input type="submit" value="增加" >
</form>
</body>
</html>

显示结果页list.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<table>
<tr>
<td>编号:</td><td><input type="text" value="${cus.cid }"></td>
</tr>
<tr>
<td>姓名:</td><td><input type="text" value="${cus.name }"></td>
</tr>
</table>
</body>
</html>

需要开启struts的filter,(struts2就靠这个了)

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
<display-name>ssh-maven</display-name>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>

然后走到hibernate去,目录结构如下

实体类及其映射

package com.swift.entity;
public class Customer {
private Integer cid;
private String name;
public Integer getCid() {
return cid;
}
public void setCid(Integer cid) {
this.cid = cid;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Customer [cid=" + cid + ", name=" + name + "]";
}
public Customer(Integer cid, String name) {
this.cid = cid;
this.name = name;
}
public Customer() {
}
}

Customer.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.swift.entity.Customer" table="tb_customer" >
<id name="cid" column="cid">
<generator class="native"></generator>
</id>
<property name="name" column="name"></property>
</class>
</hibernate-mapping>

CustomerDaoImpl.java 持久层实现类

package com.swift.dao.impl;
import org.springframework.orm.hibernate5.HibernateTemplate;
import com.swift.dao.CustomerDao;
import com.swift.entity.Customer;
public class CustomerDaoImpl implements CustomerDao{
HibernateTemplate hibernateTemplate;
public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
this.hibernateTemplate = hibernateTemplate;
}
public Customer findById(Integer cid) {
return hibernateTemplate.get(Customer.class, cid);
}
@Override
public void add(Customer customer) {
hibernateTemplate.save(customer);
}
}

连接的库 db.properties

driverClass = oracle.jdbc.driver.OracleDriver
jdbcUrl=jdbc:oracle:thin:@192.168.189.101:1521:orcl
user=scott
password=tiger
#driverClass = com.mysql.jdbc.Driver
#jdbcUrl=jdbc:mysql://localhost:3306/maven
#user=root
#password=root

以及最后的spring核心配置文件进行整合

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx 
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop 
http://www.springframework.org/schema/aop/spring-aop.xsd">
<context:property-placeholder location="classpath:db.properties"/>
<!-- dataSource数据源 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${driverClass}"></property>
<property name="jdbcUrl" value="${jdbcUrl}"></property>
<property name="user" value="${user}"></property>
<property name="password" value="${password}"></property>
</bean>
<!-- SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocations" value="classpath:hibernate.cfg.xml"></property>
</bean>
<!-- hibernateTemplate -->
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate5.HibernateTemplate">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 事务管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 事务的通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="find*" read-only="true" />
<tx:method name="get*" read-only="true" />
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
<!-- 事务通知跟切面组装 -->
<aop:config>
<aop:pointcut expression="execution (* com.swift.service.impl.*.*(..))"
id="pointcut"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut" />
</aop:config>
<bean id="customerDao" class="com.swift.dao.impl.CustomerDaoImpl">
<property name="hibernateTemplate" ref="hibernateTemplate"></property>
</bean>
<bean id="customerService" class="com.swift.service.impl.CustomerServiceImpl">
<property name="customerDao" ref="customerDao"></property>
</bean>
<bean id="customerAction" class="com.swift.web.CustomerAction">
<property name="customerService" ref="customerService"></property>
</bean>
</beans>

常见异常解决

java.lang.ClassCastException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter cannot be cast to javax.servlet.Filter

这个异常要把servlet-api 改为provided
两个包都有相关内容会引起冲突,要把一个设置为从属(provided 级别低一级)

Line: 245 – com/opensymphony/xwork2/spring/SpringObjectFactory.java:245:-1

1.Struts与Spring不兼容,struts.xml中的action的class属性应注入Spring的bean
2.如果有struts2-spring-plugin-2.3.24.1.jar表明该插件引入工程后，会自动设置Struts的ObjectFactory为StrutsSpringObjectFactory，
从而让Spring的IOC容器来托管Struts的Action。但是工程web.xml中没有配置加载spring ApplicationContext相关的listener,所以导致了启动的问题。

java.sql.SQLException: ORA-00001: 违反唯一约束条件 (SCOTT.SYS_C0011456)

这个问题的原因是:customer.setCid(cid); 主键有自增或者sequence,与你提供的id冲突,执行添加操作hibernateTemplate.save(customer);时不设置customer
的id即可

maven ssh的xml环境搭建 及常见异常解决

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