另外3个项目都能正常启动访问。这个项目启动后无法找到网页。

tomcat错误日志。

九月 04, 2019 4:16:55 下午 org.apache.catalina.core.StandardContext filterStart

严重: Exception starting filter jfinal

java.lang.IncompatibleClassChangeError: Implementing class

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:763)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:3251)

at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:1420)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1924)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1798)

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

at java.lang.Class.forName(Class.java:264)

at com.alibaba.druid.util.Utils.loadClass(Utils.java:222)

at com.alibaba.druid.pool.vendor.MySqlValidConnectionChecker.<init>(MySqlValidConnectionChecker.java:48)

at com.alibaba.druid.pool.DruidDataSource.initValidConnectionChecker(DruidDataSource.java:1009)

at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:708)

at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1060)

at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1056)

at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:104)

at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:43)

at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:226)

at com.jfinal.core.Config.startPlugins(Config.java:107)

at com.jfinal.core.Config.configJFinal(Config.java:51)

at com.jfinal.core.JFinal.init(JFinal.java:63)

at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49)

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:5037)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5739)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1018)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:994)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:662)

at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)

at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

at java.lang.Thread.run(Thread.java:748)