For individuals: necessary when this error collection.
In order to avoid misleading others, where personal thoughts: Unverified with purple bold marked, verified with bold red mark.
1. springboot Port conflict: Start failed The Protocol Handler
2. Other applications occupy when springboot package target folder: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
3. // zip4j by default GBK coding to extraction, if the file name garbled problem GBK not happened,; zip.setFileNameCharset ( "GBK") : Use zip4j extract the zip file decompression encoding when you set I think when it should and compression computer-related default encoding
4. When the date format in the database mybatis dynamic persistence
<if test="date_time != null and date_time != '' ">
date_time,
</if>
Error: java.lang.IllegalArgumentException: invalid comparison: cn.hutool.core.date.DateTime and java.lang.String, Yuan Ying time format and can not compare an empty string, the label can be removed portion orange.
Also this is wrong mybatis 3.30 or later only, and 3.30 the following edition of this newspaper do not know what the reasons are wrong (I think not reported, haha!)