Tomcat启动报错，报找不到gdk_custom.jar

在 tomcat/conf/context.xml 中新增如下配置

<Context>
  ...
  <JarScanner scanManifest="false"/>
</Context>

参照：https://stackoverflow.com/questions/45460750/tomcat-cannot-find-gdk-custom-jar-oracle-cannot-create-it/46274211#46274211