java.sql.SQLNonTransientConnectionException:?Cannot?load?connection?class?because?of?underlying?exception:?com.mysql.cj.exceptions.WrongArgumentException:?Malformed?database?URL,?failed?to?parse?the?connection?string?near?';useSSL=false&serverTimezone=UTC&rewriteBatchedStatements=true'.	at?com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:79)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:131)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:219)?~[mysql-connector-java-8.0.15.jar:8.0.15]	at?com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1464)?~[druid-1.1.3.jar:1.1.3]	at?com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1529)?~[druid-1.1.3.jar:1.1.3]	at?com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2239)?~[druid-1.1.3.jar:1.1.3]

application.properties 這個文件里面的"&"使用了xml的轉義字符"&"，改過來即可！~