添加上  

ActiveRecordPlugin arp = ActiveRecordPlugin(dp)_MappingKit.(arp)plugins.add(arp)

tomcat启动就报错

自动生成_MappingKit 也没有问题

日志如下

[2019-04-09 04:29:28,342] Artifact shamiao-manager-server:war: Artifact is being deployed, please wait...

09-Apr-2019 16:29:31.548 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars 至少有一个JAR被扫描用于TLD但尚未包含TLD。 为此记录器启用调试日志记录，以获取已扫描但未在其中找到TLD的完整JAR列表。 在扫描期间跳过不需要的JAR可以缩短启动时间和JSP编译时间。

log4j:WARN No appenders could be found for logger (com.alibaba.druid.pool.DruidDataSource).

log4j:WARN Please initialize the log4j system properly.

log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

09-Apr-2019 16:29:32.219 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal One or more Filters failed to start. Full details will be found in the appropriate container log file

09-Apr-2019 16:29:32.219 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal Context [] startup failed due to previous errors

09-Apr-2019 16:29:32.222 警告 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc Web应用程序 [ROOT] 注册了JDBC驱动程序 [com.alibaba.druid.proxy.DruidDriver]，但在Web应用程序停止时无法注销它。 为防止内存泄漏，JDBC驱动程序已被强制取消注册。

09-Apr-2019 16:29:32.222 警告 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc Web应用程序 [ROOT] 注册了JDBC驱动程序 [com.mysql.jdbc.Driver]，但在Web应用程序停止时无法注销它。 为防止内存泄漏，JDBC驱动程序已被强制取消注册。

09-Apr-2019 16:29:34.335 信息 [Druid-ConnectionPool-Create-105925299] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load [sun.reflect.ConstructorAccessorImpl]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.

 java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [sun.reflect.ConstructorAccessorImpl]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.

at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1383)

at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1371)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1224)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1186)

at sun.misc.Unsafe.defineClass(Native Method)

at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)

at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)

at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:394)

at java.security.AccessController.doPrivileged(Native Method)

at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:393)

at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:92)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:55)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at com.mysql.jdbc.log.LogFactory.getLogger(LogFactory.java:71)

at com.mysql.jdbc.ConnectionImpl.initializeDriverProperties(ConnectionImpl.java:3213)

at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:779)

at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)

at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)

at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1461)

at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1525)

at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2100)

09-Apr-2019 16:29:34.336 信息 [Druid-ConnectionPool-Create-105925299] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load [java.lang.ExceptionInInitializerError]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.

 java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [java.lang.ExceptionInInitializerError]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.

at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1383)

at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1371)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1224)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1186)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:418)

at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)

at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1461)

at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1525)

at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2100)