在項目中使用MySQL進行數據查詢的時候娄昆，突然報錯：
java.lang.IllegalArgumentException: HOUR_OF_DAY: 2 -> 3
at java.util.GregorianCalendar.computeTime(GregorianCalendar.java:2829)
at java.util.Calendar.updateTime(Calendar.java:3393)
at java.util.Calendar.getTimeInMillis(Calendar.java:1782)
at com.mysql.cj.result.SqlTimestampValueFactory.createFromTimestamp(SqlTimestampValueFactory.java:100)
at com.mysql.cj.result.SqlTimestampValueFactory.createFromTimestamp(SqlTimestampValueFactory.java:46)
at com.mysql.cj.result.BaseDecoratingValueFactory.createFromTimestamp(BaseDecoratingValueFactory.java:61)
at com.mysql.cj.result.BaseDecoratingValueFactory.createFromTimestamp(BaseDecoratingValueFactory.java:61)
at com.mysql.cj.protocol.a.MysqlTextValueDecoder.decodeTimestamp(MysqlTextValueDecoder.java:183)
at com.mysql.cj.protocol.result.AbstractResultsetRow.decodeAndCreateReturnValue(AbstractResultsetRow.java:87)
at com.mysql.cj.protocol.result.AbstractResultsetRow.getValueFromBytes(AbstractResultsetRow.java:250)
at com.mysql.cj.protocol.a.result.ByteArrayRow.getValue(ByteArrayRow.java:91)
at com.mysql.cj.jdbc.result.ResultSetImpl.getNonStringValueFromRow(ResultSetImpl.java:656)
at com.mysql.cj.jdbc.result.ResultSetImpl.getDateOrTimestampValueFromRow(ResultSetImpl.java:679)
at com.mysql.cj.jdbc.result.ResultSetImpl.getTimestamp(ResultSetImpl.java:1019)
原因是系統(tǒng)時區(qū)問題迄埃，需要在數據庫連接加上如下部分：
&serverTimezone=Asia/Shanghai
如：
jdbc:mysql://localhost:3306/demo?useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
問題解決湘捎！
