推荐订阅源

CLASSPATH
.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar

JAVA_HOME
C:\Program Files\Java\jdk1.7.0_79

Tomcat_HOME
C:\apache-tomcat-7.0.68

CATALINA_HOME
C:\apache-tomcat-7.0.68

CATALINA_HOME2
C:\MM\tools\apache-tomcat-7.0.68

MAVEN_HOME

C:\apache-maven-3.3.9

settings.xml:

...

  <localRepository>C://mvn_repository</localRepository>

...

<mirror>
<id>nexus</id>
<mirrorOf>*</mirrorOf>
<url>http://10.205.7.228:9081/nexus/content/groups/public</url>
</mirror>
...
<mirror>
<id>alimaven</id>
<name>aliyun maven</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<mirrorOf>central</mirrorOf>
</mirror>

...

<activeProfiles>
<activeProfile>nexus</activeProfile>
</activeProfiles>

...

jsp
build path :add laibrary ...
+ server

在eclipse中配置xmlcatalog 

Key Type: Namespace Name
Key:http://code.alibabatech.com/schema/dubbo/dubbo.xsd

cvc-complex-type.2.4.a: Invalid content was found starting with element 错误

Key Type: Namespace Name 
Key: http://www.springmodules.org/schema/cache/springmodules-  cache.xsd 
Key Type: Schema Location 
Key: http://www.springmodules.org/schema/cache/springmodules-  ehcache.xsd 
然后再将这连个xsd加入到web.xml中就搞定了 

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"  
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance  http://www.springmodules.org/schema/cache/springmodules-cache.xsd http://www.springmodules.org/schema/cache/springmodules-ehcache.xsd"    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee   
4.     http:">