no such com/mchange/v2/ser/Indirector maven引入mchange-commons-java

c3p0-0.9.5.2有一個依賴包mchange-commons-java-0.2.11，必須加載此包才行。
maven 的格式

<!--c3p0 數據源的引入-->
<!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->
<dependency>
  <groupId>com.mchange</groupId>
  <artifactId>c3p0</artifactId>
  <version>0.9.5.2</version>
</dependency>
  <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>mchange-commons-java</artifactId>
      <version>0.2.11</version>
  </dependency>  

這個是c3p0 的版本的差異，記得怎麼回事就好了