Non-resolvable parent POM for xxx [unknown-version]解決方案

問題描述：

[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for xxx.xxx:xxx-web2:[unknown-version]: Could not find artifact   xxx:xxx-parent:pom:0.0.1-SNAPSHOT and 'parent.relativePath' points at wrong local POM @ line 4, column 10 @ 
[ERROR] The build could not read 1 project -> [Help 1]

解決方案：

選擇父工程項目，右鍵，maven-install，把父工程安裝到本地倉庫即可。