打包成war然后部署在tomcat的时候报错

错误信息如下

严重: Exception starting filter [jfinal]

java.lang.RuntimeException: Can not create instance of class: com.demo.common.DemoConfig

at com.jfinal.core.JFinalFilter.createJFinalConfig(JFinalFilter.java:116)

at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:59)

at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:285)

at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:266)

at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)

at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4657)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5304)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1423)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1413)

at java.util.concurrent.FutureTask.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.ClassNotFoundException: com.demo.common.DemoConfig

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1344)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1172)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at com.jfinal.core.JFinalFilter.createJFinalConfig(JFinalFilter.java:114)

... 13 more

一月 25, 2019 3:18:57 下午 org.apache.catalina.core.StandardContext startInternal

严重: One or more Filters failed to start. Full details will be found in the appropriate container log file

一月 25, 2019 3:18:57 下午 org.apache.catalina.core.StandardContext startInternal

严重: Context [/jfinal_demo_for_maven] startup failed due to previous errors