1. 问题所示

出现如下问题：

[ERROR] Error executing Maven.
[ERROR] 2 problems were encountered while building the effective settings
[FATAL] Non-parseable settings D:\xiazai\apache-maven-3.6.3-bin\apache-maven-3.6.3\conf\settings.xml: only whitespace content allowed before start tag and not - (position: START_DOCUMENT seen <?xml version="1.0" encoding="UTF-8"?>\n\n-... @3:2)  @ D:\xiazai\apache-maven-3.6.3-bin\apache-maven-3.6.3\conf\settings.xml, line 3, column 2
[FATAL] Non-parseable settings D:\xiazai\apache-maven-3.6.3-bin\apache-maven-3.6.3\conf\settings.xml: only whitespace content allowed before start tag and not - (position: START_DOCUMENT seen <?xml version="1.0" encoding="UTF-8"?>\n\n-... @3:2)  @ D:\xiazai\apache-maven-3.6.3-bin\apache-maven-3.6.3\conf\settings.xml, line 3, column 2

截图如下：

2. 问题分析

通过错误日志，可以看到，其[FATAL] 指出，maven文件中的xml语法错误
类似一些标签不应该含有"-"

3. 解决方法

将其上面的错误原因删除干净后
通过编译执行即可看到结果的正确执行

如果还有其他疑难杂症，底下留言评论