705BOS登录提示“登录应用服务器失败”

[2017-05-12 10:20:20,135 ERROR]this error is:javax.security.auth.login.LoginException: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at com.kingdee.eas.exetools.SystemClassLoader.findClass(SystemClassLoader.java:66)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at com.kingdee.eas.cp.eip.sso.EasMultiAuthLoginModule.getAuthHandler(EasMultiAuthLoginModule.java:121)
at com.kingdee.eas.cp.eip.sso.EasMultiAuthLoginModule.verifyUserAndPassword(EasMultiAuthLoginModule.java:53)
at com.kingdee.bos.framework.session.template.AbstractLoginModule.login(AbstractLoginModule.java:133)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)
at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)
at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)
at javax.security.auth.login.LoginContext.login(LoginContext.java:579)
at com.kingdee.bos.framework.session.LoginModule.fullLogin(LoginModule.java:139)
at rpc_generate._PROXY_com_1_kingdee_1_bos_1_framework_1_session_1_ILoginModule.pi6(Unknown Source)
at rpc_generate._PROXY_com_1_kingdee_1_bos_1_framework_1_session_1_ILoginModule.processInvoke(Unknown Source)
at com.kingdee.bos.rpc.impl.ObjectProxy.processInvoke(ObjectProxy.java:177)
at com.kingdee.bos.rpc.impl.RPCService.serviceInvoke(RPCService.java:629)
at com.kingdee.bos.rpc.impl.RPCService.service(RPCService.java:125)
at com.kingdee.bos.rpc.impl.ServiceDispatcher.run(ServiceDispatcher.java:153)
at com.kingdee.bos.rpc.impl.ThreadJob.run(ThreadJob.java:24)
at com.kingdee.bos.rpc.impl.ThreadPool2$Worker.run(ThreadPool2.java:103)
[2017-05-12 10:20:20,135 ERROR]this is not isRPCConnectException: retValue false
[2017-05-12 10:20:20,135 ERROR]retValue false
[2017-05-12 10:20:20,135 INFO]EASBizException:com.kingdee.eas.base.uiframe.EASLoginException: 登录应用服务器失败
[2017-05-12 10:20:20,135 INFO]solution == null, now get the solution from remote server!
登录应用服务器失败