在進行mvn操作時報錯信息，一直以爲是版本不對問題，還對項目的各個pom依賴，以及父項目的進行了各種排查，其實都不後，最後終於發現問題原因
１、之前的mvn操作都是通過idea進行的clean和package等操作，並且idea上的maven配置是修改過的，指向的是E:\m2\settings.xml
２、今天是直接在命令行操作，這時候使用的是默認位置的settings.xml配置，在Ｃ盤上，由於不是同一個配置文件，報錯了
３、最後把idea的使用的settings.xml文件，複製到命令行默認的路徑，替換即可
下面是開始時，提示錯誤信息，提醒自己下次要記住了，否則又要浪費時間了
E:\project\test>mvn dependencies:tree
[INFO] Scanning for projects...
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.demo.test:test:1.0-SNAPSHOT: Failure to find com.demo.test:test:pom:2.0.1 in https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will no
t be reattempted until the update interval of central has elapsed or updates are forced and 'parent.relativePath' points at wrong local POM @ line 7, column 13
@
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]
[ERROR] The project com.demo.test:olap:1.0-SNAPSHOT (E:\project\test\pom.xml) has 1 error
[ERROR] Non-resolvable parent POM for com.demo.test:olap:1.0-SNAPSHOT: Failure to find com.demo.test:test:pom:2.0.1 in https://repo.maven.apache.org/maven2 was cached in the local repository, resolution wil
l not be reattempted until the update interval of central has elapsed or updates are forced and 'parent.relativePath' points at wrong local POM @ line 7, column 13 -> [Help 2]
[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/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException