não consigo encontrar esse erro java.lang.RuntimeException:

Ola pessoal!

estou precisando de uma ajuda de vocês, não consigo encontra esse erro que me aparece no eclipse quando vou inserir uma informação no banco de dados que é msql.

ago 02, 2017 2:00:07 PM org.apache.catalina.core.StandardWrapperValve invoke

GRAVE: Servlet.service() for servlet [springmvc] in context with path [/fj21-tarefas] threw exception [Request processing failed; nested exception is java.lang.RuntimeException: java.sql.SQLException: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long] with root cause

java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long

at com.mysql.jdbc.ConnectionImpl.buildCollationMapping(ConnectionImpl.java:1019)

at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3600)

at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2541)

at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2311)

	    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)

	    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)

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

	    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

	    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

	    at java.lang.reflect.Constructor.newInstance(Unknown Source)

	    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

	    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)

	    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:347)

	    at java.sql.DriverManager.getConnection(Unknown Source)

	    at java.sql.DriverManager.getConnection(Unknown Source)

	    at br.com.caelum.tarefas.ConnectionFactory.getConnection(ConnectionFactory.java:18)

	    at br.com.caelum.tarefas.dao.JdbcTarefaDao.<init>(JdbcTarefaDao.java:19)

	    at br.com.caelum.tarefas.controller.TarefasController.adiciona(TarefasController.java:18)

	    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

	    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

	    at java.lang.reflect.Method.invoke(Unknown Source)

	    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:214)

	    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)

	    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)

	    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:748)

	    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)

	    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)

	    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)

	    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)

	    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)

	    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)

	    at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)

	    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)

	    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

	    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)

	    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

	    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

	    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)

	    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)

	    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)

	    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

	    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)

	    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)

	    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

	    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)

	    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)

	    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)

	    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)

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

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

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