HTTP Status 500 - Servlet.init() for servlet ReportServer threw exceptiontype Exception reportmessage Servlet.init() for servlet ReportServer threw exceptiondescription The server encountered an internal error that prevented it from fulfilling this request.exceptionjavax.servlet.ServletException: Servlet.init() for servlet ReportServer threw exception org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Unknown Source)
root causejava.lang.NoClassDefFoundError: com/fr/third/antlr/ANTLRException com.fr.base.TemplateUtils.renderParameter4Tpl(Unknown Source) com.fr.base.TemplateUtils.render(Unknown Source) com.fr.data.impl.JDBCDatabaseConnection.renderAttribute(Unknown Source) com.fr.data.impl.JDBCDatabaseConnection.createConnection(Unknown Source) com.fr.data.core.db.DBUtils.getEmbeddedDB(Unknown Source) com.fr.data.core.db.DBUtils.getEmbeddedDB(Unknown Source) com.fr.record.DBRecordManager.initLogDBConnection(Unknown Source) com.fr.record.DBRecordManager.getDB(Unknown Source) com.fr.record.DBRecordManager.init(Unknown Source) com.fr.record.DBRecordManager.access$400(Unknown Source) com.fr.record.DBRecordManager$DBThread.(Unknown Source) com.fr.record.DBRecordManager.initThread(Unknown Source) com.fr.record.DBRecordManager.(Unknown Source) com.fr.record.DBRecordManager.getInstance(Unknown Source) com.fr.web.BaseServlet.init(Unknown Source) com.fr.web.ReportServlet.init(Unknown Source) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Unknown Source)
升级了下html5插件，重启就出这个问题，如何解决，把\frbak\autobackup\之前的还原还是出错，求如何处理？
