1.ReasonPhrase: Forbidden：
|--- 1.注意用户权限和角色role的设置，一般没有权限就会被禁止。
2.Failed to collect dependencies：
|--- 1.parent项目，即package是pom的项目，需要先install，或者deploy
|--- 2.设置时应注意<profile>如果可以直接访问public分组，则需要检查public分组是否添加了自己的工厂
3.child module ...pom.xml does not exist：
|---- 1.注意module的名称是否正确，有时命名问题会导致找不到项目
|---- 2.注意项目命名一开始的规则
4.Cannot detect Web Project version. Please specify version of Web Project through <version> configuration property of war plugin. E.g.: <plugin> <artifactId>maven-war-plugin</artifactId> <configuration> <version>3.0</version> </configuration> </plugin>
|---- 1.pom和第五条一样.添加plugin多定义的xml
<plugin> <artifactId>maven-war-plugin</artifactId> <configuration> <version>3.0</version> </configuration></plugin>
5.Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project marer-test-weixin: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode)
|---- 1.添加以下插件，主要是因为没有指定web.位于pomml的xml.加入xml
<plugin> <artifactId>maven-war-plugin</artifactId> <configuration> <version>3.0</version> <webXml>WebRoot\WEB-INF\web.xml</webXml><!-- 在这里指定位置 --> </configuration></plugin>
6.javax.servlet.jsp.PageContext cannot be resolved to a type
|---- 1.这是因为没有引入jsp-api引起的问题，在pom.xml介绍：
<dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <version>2.0</version></dependency>
7.Failed to clean project: Failed to delete F:\project\Stest...\target
|---- 1.重用命令clean一次
8.The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory
|---- 1.注意：jsp-依赖api的scope必须provide，即不打包，否则会与tomcat发生冲突
<dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <scope>provided</scope></dependency>
9.java.lang.NoClassDefFoundError: org/aspectj/weaver/reflect/ReflectionWorld
|---- 1.缺少Springaspects的jar包，在pomm.引入xml
|---- 2.请注意，还应导入Spring的ORM框架，因为无法将Beanager和hibernate注入txmanager和hibernate
|---- 3.注意2：我已经用全局变量指定了Spring。<version>...</version>
<dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId></dependency>
10.Spring注入失败，【在action中注入service对象或在service中注入dao对象】空指针异常
|---- 1.首先，确定您的配置文件是否工作：applicationContext.xml已经使用了吗？
|---- 2.确定所有properties文件是正确的
|---- 3.确定是否使用struts2-spring-依赖plugin：
<dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-spring-plugin</artifactId></dependency>
11.-Dmaven.multiModuleProjectDirectory system propery is not set. Check $M2_HOME environment variable and mvn script match.
|---- 1.在eclipse中使用maven插件时，运行run as maven build报错是因为JDK有问题
|---- 2.如果你在Eclipse中确定Window，->Preference->Java->Installed JREs 设置相应的JDK环境
|---- 3.在Default VM 加入arguments：-Dmaven.multiModuleProjectDirectory=$M2_HOME
12.Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project jiabo-motor:Deployment failed: repository element was not specified in the POM inside distributionManagement element or in -DaltDeploymentRepositor
|--- 1.由于Nexus中央仓库在Maven中使用，deploy的设置没有设置好，但在项目的pom.xml中没有设置
|--- 2.添加以下设置：【自定义deploy地址】
<!-- 设置deploy的地址 --><distributionManagement> <repository> <id>user-release</id> <name>user release resp</name> <url>http://localhost:8081/nexus/content/repositories/user-release/</url> </repository> <snapshotRepository> <id>user-snapshot</id> <name>user snapshot</name> <url>http://localhost:8081/nexus/content/repositories/user-snapshot/</url> </snapshotRepository></distributionManagement>
13. The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
|-pomm缺少jstl包.xml加入
<dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version></dependency>
14. SSH和SpringMVC框架在使用IDE自带的tomcat管理时，需要添加Servletet.在providee中设置api和他的声明周期
<dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <version>2.0</version> <scope>provided</scope></dependency>
15.overlay [ id com.六dianedu:liudian-web] is not a dependency of the project.
|-依靠需要打包的项目加入<type>war</type>属性
16.ArtifactDescriptorException: Failed to read artifact descriptor for org.apache.shiro:shiro-core:jar:${shiro.version}: ArtifactResolutionException: Failure to transfer org.apache.shiro:shiro-core:pom:${shiro.version} from http://localhost:8081/nexus/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of nexus has elapsed or updates are forced. Original error: Could not transfer artifact org.apache.shiro:shiro-core:pom:${shiro.version} from/to nexus
这是因为在pom.xml中的依赖使用定义的变量${shiro.version}，但是没有<properties>...</properties>只要在pom中定义，.xml可以添加定义
<properties> <shiro.version>1.2.3</shiro.version></properties>
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