Debug:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project MavenProj1: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
原因:Maven Web项目不知道web.xml的位置:
我们可以在pom.xml手动配置,让maven知道:
解决方案:
在pom.xml里指定网站根目录或指定xml文件位置。
方案1:指定网站根目录
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.1.1</version>
<configuration>
<webResources>
<resource>
<directory>web</directory>
</resource>
</webResources>
</configuration>
</plugin>
</plugins>
方案2:指定xml文件位置
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.1.1</version>
<configuration>
<webXml>WebContext/WEB-INF/web.xml</webXml>
</configuration>
</plugin>
</plugins>