這是什么錯？

3月 13, 2019 10:49:22 上午 org.apache.catalina.core.StandardWrapperValve invoke

嚴重: Servlet.service() for servlet [jsp] in context with path [/StrutsFileUpload] threw exception

java.nio.file.InvalidPathException: Illegal char <:> at index 3: jar:file:\E:\MyEclipse\Demos\.metadata\.me_tcat85\webapps\StrutsFileUpload\WEB-INF\lib\struts2-core-2.3.24.jar