Java SFTP集成JSCH-无法在会话上执行

我有我的Spring集成示例程序，作为本地SFTP服务器与我的Mac设置一起工作（只是），一切正常。我试图用实际的（我们的客户机/提供商的）SFTP凭据替换我的测试凭据，Spring Integration在JSCH模块中给了我以下异常。实际上，我可以连接到该服务器并使用浏览目录

任何指点都会大有帮助。会话创建几乎是常见的方式：

<bean id="sftpSessionFactory" class="org.springframework.integration.sftp.session.DefaultSftpSessionFactory">
    <property name="host" value="${host}"/>
    <property name="port" value="${port}"/>
    <property name="user" value="${user}"/>
    <property name="password" value="${password}"/>
</bean>

这是日志：

19:48:08.511 [tomcat-http--13] DEBUG o.s.web.servlet.DispatcherServlet - DispatcherServlet with name 'chofac-tory' processing POST request for [/chofactory/launchAJob/fetchResponseFile]
19:48:08.511 [tomcat-http--13] DEBUG o.s.w.s.m.m.a.RequestMappingHandlerMapping - Looking up handler method for path /launchAJob/fetchResponseFile
19:48:08.511 [tomcat-http--13] DEBUG o.s.w.s.m.m.a.RequestMappingHandlerMapping - Returning handler method [public org.springframework.http.ResponseEntity<java.lang.String> com.chofac.mint.jobLaunchController.fetchResponseFile(java.lang.String,org.springframework.ui.Model) throws java.lang.Exception]
19:48:08.511 [tomcat-http--13] DEBUG o.s.b.f.s.DefaultListableBeanFactory - Returning cached instance of singleton bean 'jobLaunchController'
19:48:08.512 [tomcat-http--13] DEBUG o.s.w.s.m.m.a.RequestResponseBodyMethodProcessor - Reading [java.lang.String] as "application/json;charset=UTF-8" using [org.springframework.http.converter.StringHttpMessageConverter@73f8dfc4]
19:48:14.233 [tomcat-http--13] DEBUG o.s.b.f.s.DefaultListableBeanFactory - Returning cached instance of singleton bean 'integrationEvaluationContext'
19:48:14.243 [tomcat-http--13] DEBUG o.s.i.channel.DirectChannel - preSend on channel 'inbound', message: [Payload String content=/outbox][Headers={errorChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@57107ed0, replyChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@57107ed0, id=4962a3a4-59e9-2596-e91d-331720b769c2, timestamp=1406342894242}]
19:48:14.243 [tomcat-http--13] DEBUG o.s.i.s.gateway.SftpOutboundGateway - org.springframework.integration.sftp.gateway.SftpOutboundGateway#0 received message: [Payload String content=/outbox][Headers={errorChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@57107ed0, replyChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@57107ed0, id=4962a3a4-59e9-2596-e91d-331720b769c2, timestamp=1406342894242}]
19:48:14.249 [tomcat-http--13] DEBUG o.s.b.f.s.DefaultListableBeanFactory - Returning cached instance of singleton bean 'integrationEvaluationContext'
19:48:14.255 [tomcat-http--13] INFO  com.jcraft.jsch - Connecting to gatewaytest.somedomain.com port 22
19:48:14.277 [tomcat-http--13] INFO  com.jcraft.jsch - Connection established
19:48:14.297 [tomcat-http--13] INFO  com.jcraft.jsch - Remote version string: SSH-2.0-SSHD
19:48:14.297 [tomcat-http--13] INFO  com.jcraft.jsch - Local version string: SSH-2.0-JSCH-0.1.51
19:48:14.297 [tomcat-http--13] INFO  com.jcraft.jsch - CheckCiphers: aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,arcfour,arcfour128,arcfour256
19:48:14.303 [tomcat-http--13] INFO  com.jcraft.jsch - CheckKexes: diffie-hellman-group14-sha1
19:48:14.304 [tomcat-http--13] INFO  com.jcraft.jsch - diffie-hellman-group14-sha1 is not available.
19:48:14.305 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_KEXINIT sent
19:48:14.385 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_KEXINIT received
19:48:14.385 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: diffie-hellman-group14-sha1,diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1
19:48:14.385 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: ssh-rsa
19:48:14.386 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: aes256-cbc,aes192-cbc,aes128-cbc,3des-cbc
19:48:14.386 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: aes256-cbc,aes192-cbc,aes128-cbc,3des-cbc
19:48:14.386 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: hmac-sha1,hmac-sha1-96
19:48:14.386 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: hmac-sha1,hmac-sha1-96
19:48:14.386 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: none,zlib
19:48:14.387 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: none,zlib
19:48:14.387 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: 
19:48:14.387 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server: 
19:48:14.387 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1
19:48:14.387 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: ssh-rsa,ssh-dss
19:48:14.388 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,aes192-cbc,aes256-cbc
19:48:14.388 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc,aes192-cbc,aes256-cbc
19:48:14.388 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: hmac-md5,hmac-sha1,hmac-sha2-256,hmac-sha1-96,hmac-md5-96
19:48:14.388 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: hmac-md5,hmac-sha1,hmac-sha2-256,hmac-sha1-96,hmac-md5-96
19:48:14.388 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: none
19:48:14.389 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: none
19:48:14.389 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: 
19:48:14.389 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client: 
19:48:14.390 [tomcat-http--13] INFO  com.jcraft.jsch - kex: server->client aes128-cbc hmac-sha1 none
19:48:14.391 [tomcat-http--13] INFO  com.jcraft.jsch - kex: client->server aes128-cbc hmac-sha1 none
19:48:14.477 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_KEXDH_INIT sent
19:48:14.477 [tomcat-http--13] INFO  com.jcraft.jsch - expecting SSH_MSG_KEXDH_REPLY
19:48:14.624 [tomcat-http--13] INFO  com.jcraft.jsch - ssh_rsa_verify: signature true
19:48:14.625 [tomcat-http--13] INFO  com.jcraft.jsch - Host 'fsgatewaytest.aexp.com' is known and mathces the RSA host key
19:48:14.625 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_NEWKEYS sent
19:48:14.625 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_NEWKEYS received
19:48:14.628 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_SERVICE_REQUEST sent
19:48:14.684 [tomcat-http--13] INFO  com.jcraft.jsch - SSH_MSG_SERVICE_ACCEPT received
19:48:14.704 [tomcat-http--13] INFO  com.jcraft.jsch - Authentications that can continue: publickey,keyboard-interactive,password
19:48:14.704 [tomcat-http--13] INFO  com.jcraft.jsch - Next authentication method: publickey
19:48:14.705 [tomcat-http--13] INFO  com.jcraft.jsch - Authentications that can continue: keyboard-interactive,password
19:48:14.705 [tomcat-http--13] INFO  com.jcraft.jsch - Next authentication method: keyboard-interactive
19:48:14.848 [tomcat-http--13] INFO  com.jcraft.jsch - Authentications that can continue: password
19:48:14.848 [tomcat-http--13] INFO  com.jcraft.jsch - Next authentication method: password
19:48:14.871 [tomcat-http--13] INFO  com.jcraft.jsch - Disconnecting from fsgatewaytest.aexp.com port 22
19:48:14.883 [tomcat-http--13] WARN  o.s.i.g.GatewayProxyFactoryBean$MethodInvocationGateway - failure occurred in gateway sendAndReceive
org.springframework.messaging.MessagingException: org.springframework.messaging.MessagingException: Failed to execute on session
    at org.springframework.integration.dispatcher.AbstractDispatcher.wrapExceptionIfNecessary(AbstractDispatcher.java:133) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:120) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:101) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:97) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:255) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:223) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:114) ~[spring-messaging-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.messaging.core.GenericMessagingTemplate.doSendAndReceive(GenericMessagingTemplate.java:154) ~[spring-messaging-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.messaging.core.GenericMessagingTemplate.doSendAndReceive(GenericMessagingTemplate.java:44) ~[spring-messaging-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.messaging.core.AbstractMessagingTemplate.sendAndReceive(AbstractMessagingTemplate.java:75) ~[spring-messaging-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.messaging.core.AbstractMessagingTemplate.convertSendAndReceive(AbstractMessagingTemplate.java:132) ~[spring-messaging-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.messaging.core.AbstractMessagingTemplate.convertSendAndReceive(AbstractMessagingTemplate.java:110) ~[spring-messaging-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.integration.gateway.MessagingGatewaySupport.doSendAndReceive(MessagingGatewaySupport.java:241) [spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.gateway.MessagingGatewaySupport.sendAndReceive(MessagingGatewaySupport.java:220) [spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.invokeGatewayMethod(GatewayProxyFactoryBean.java:341) [spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.doInvoke(GatewayProxyFactoryBean.java:304) [spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.invoke(GatewayProxyFactoryBean.java:295) [spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207) [spring-aop-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at com.sun.proxy.$Proxy137.lsGetAndRmFiles(Unknown Source) [na:na]
    at com.chofac.mint.jobLaunchController.fetchResponseFile(jobLaunchController.java:202) [jobLaunchController.class:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_65]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_65]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_65]
    at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_65]
    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:214) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:748) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:647) [servlet-api.jar:na]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807) [spring-webmvc-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) [servlet-api.jar:na]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50.C]
    at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:177) [spring-orm-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50.C]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50.C]
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50.C]
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.0.RELEASE.jar:4.0.0.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) [catalina.jar:7.0.50.C]
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) [catalina.jar:7.0.50.C]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) [catalina.jar:7.0.50.C]
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) [catalina.jar:7.0.50.C]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) [catalina.jar:7.0.50.C]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) [catalina.jar:7.0.50.C]
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) [tomcat-coyote.jar:7.0.50.C]
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) [tomcat-coyote.jar:7.0.50.C]
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) [tomcat-coyote.jar:7.0.50.C]
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [na:1.6.0_65]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [na:1.6.0_65]
    at java.lang.Thread.run(Thread.java:695) [na:1.6.0_65]
Caused by: org.springframework.messaging.MessagingException: Failed to execute on session
    at org.springframework.integration.file.remote.RemoteFileTemplate.execute(RemoteFileTemplate.java:311) ~[spring-integration-file-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.file.remote.gateway.AbstractRemoteFileOutboundGateway.doLs(AbstractRemoteFileOutboundGateway.java:402) ~[spring-integration-file-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.file.remote.gateway.AbstractRemoteFileOutboundGateway.handleRequestMessage(AbstractRemoteFileOutboundGateway.java:378) ~[spring-integration-file-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:170) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:78) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116) ~[spring-integration-core-4.0.0.RELEASE.jar:na]
    ... 92 common frames omitted
Caused by: java.lang.IllegalStateException: failed to create SFTP Session
    at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:354) ~[spring-integration-sftp-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.file.remote.RemoteFileTemplate.execute(RemoteFileTemplate.java:300) ~[spring-integration-file-4.0.0.RELEASE.jar:na]
    ... 97 common frames omitted
Caused by: java.lang.IllegalStateException: failed to connect
    at org.springframework.integration.sftp.session.SftpSession.connect(SftpSession.java:250) ~[spring-integration-sftp-4.0.0.RELEASE.jar:na]
    at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:349) ~[spring-integration-sftp-4.0.0.RELEASE.jar:na]
    ... 98 common frames omitted
Caused by: com.jcraft.jsch.JSchException: SSH_MSG_DISCONNECT: 11 Too many bad authentication attempts! 
    at com.jcraft.jsch.Session.read(Session.java:987) ~[jsch-0.1.51.jar:na]
    at com.jcraft.jsch.UserAuthPassword.start(UserAuthPassword.java:91) ~[jsch-0.1.51.jar:na]
    at com.jcraft.jsch.Session.connect(Session.java:463) ~[jsch-0.1.51.jar:na]
    at com.jcraft.jsch.Session.connect(Session.java:183) ~[jsch-0.1.51.jar:na]
    at org.springframework.integration.sftp.session.SftpSession.connect(SftpSession.java:241) ~[spring-integration-sftp-4.0.0.RELEASE.jar:na]
    ... 99 common frames omitted

19:48:08.511[tomcat http--13]调试o.s.web.servlet.DispatcherServlet-名为'chofac tory'的DispatcherServlet处理[/chofactory/launchAJob/fetchResponseFile]的POST请求
19:48:08.511[tomcat http--13]调试o.s.w.s.m.m.a.RequestMappingHandlerMapping-查找path/launchAJob/fetchResponseFile的处理程序方法
19:48:08.511[tomcat http--13]调试o.s.w.s.m.m.a.RequestMappingHandlerMapping-返回处理程序方法[public org.springframework.http.ResponseEntity com.chofac.mint.jobLaunchController.fetchResponseFile（java.lang.String，org.springframework.ui.Model）抛出java.lang.Exception]
19:48:08.511[tomcat http--13]调试o.s.b.f.s.DefaultListableBeanFactory-返回单例bean“jobLaunchController”的缓存实例
19:48:08.512[tomcat http--13]调试o.s.w.s.m.a.RequestResponseBodyMethodProcessor-使用[org.springframework.http.converter]将[java.lang.String]读取为“application/json；charset=UTF-8”。StringHttpMessageConverter@73f8dfc4]
19:48:14.233[tomcat http--13]调试o.s.b.f.s.DefaultListableBeanFactory-返回singleton bean的缓存实例“integrationEvaluationContext”
19:48:14.243[tomcat http--13]调试o.s.i.channel.DirectChannel-在频道“入站”上显示，消息：[有效负载字符串内容=/outbox][标头={errorChannel=org.springframework.messaging.core.GenericMessageTemplate$TemporaryReplyChannel@57107ed0，replyChannel=org.springframework.messaging.core.GenericMessageTemplate$TemporaryReplyChannel@57107ed0，id=4962a3a4-59e9-2596-e91d-331720b769c2，时间戳=1406342894242}]
19:48:14.243[tomcat http--13]调试o.s.i.s.gateway.SftpOutboundGateway-org.springframework.integration.sftp.gateway.SftpOutboundGateway#0收到消息：[有效负载字符串内容=/outbox][头={errorChannel=org.springframework.messaging.core.GenericMessageTemplate$TemporaryReplyChannel@57107ed0，replyChannel=org.springframework.messaging.core.GenericMessageTemplate$TemporaryReplyChannel@57107ed0，id=4962a3a4-59e9-2596-e91d-331720b769c2，时间戳=1406342894242}]
19:48:14.249[tomcat http--13]调试o.s.b.f.s.DefaultListableBeanFactory-返回单例bean“integrationEvaluationContext”的缓存实例
19:48:14.255[tomcat http--13]INFO com.jcraft.jsch-连接到gatewaytest.somedomain.com端口22
19:48:14.277[tomcat http--13]INFO com.jcraft.jsch-已建立连接
19:48:14.297[tomcat http--13]INFO com.jcraft.jsch-远程版本字符串：SSH-2.0-SSHD
19:48:14.297[tomcat http--13]INFO com.jcraft.jsch-本地版本字符串：SSH-2.0-jsch-0.1.51
19:48:14.297[tomcat http--13]INFO com.jcraft.jsch-校验密码：aes256 ctr、aes192 ctr、aes128 ctr、aes256 cbc、aes192 cbc、aes128 cbc、3des ctr、ARCFORE、ARCFOR128、ARCFOR256
19:48:14.303[tomcat http--13]INFO com.jcraft.jsch-CheckKexes:diffie-hellman-group14-sha1
19:48:14.304[tomcat http--13]INFO com.jcraft.jsch-diffie-hellman-group14-sha1不可用。
19:48:14.305[tomcat http--13]INFO com.jcraft.jsch-SSH_MSG_KEXINIT已发送
19:48:14.385[tomcat http--13]INFO com.jcraft.jsch-SSH_MSG_KEXINIT已收到
19:48:14.385[tomcat http--13]INFO com.jcraft.jsch-kex:server:diffie-hellman-group14-sha1，diffie-hellman-group1-sha1，diffie-hellman-group1-exchange-sha1
19:48:14.385[tomcat http--13]INFO com.jcraft.jsch-kex:server:ssh-rsa
19:48:14.386[tomcat http--13]INFO com.jcraft.jsch-kex:server:aes256 cbc、aes192 cbc、aes128 cbc、3des cbc
19:48:14.386[tomcat http--13]INFO com.jcraft.jsch-kex:server:aes256 cbc、aes192 cbc、aes128 cbc、3des cbc
19:48:14.386[tomcat http--13]INFO com.jcraft.jsch-kex:server:hmac-sha1，hmac-sha1-96
19:48:14.386[tomcat http--13]INFO com.jcraft.jsch-kex:server:hmac-sha1，hmac-sha1-96
19:48:14.386[TomcatHTTP--13]INFO com.jcraft.jsch-kex:server:none，zlib
19:48:14.387[TomcatHTTP--13]INFO com.jcraft.jsch-kex:server:none，zlib
19:48:14.387[tomcat http--13]INFO com.jcraft.jsch-kex:server:
19:48:14.387[tomcat http--13]INFO com.jcraft.jsch-kex:server:
19:48:14.387[tomcat http--13]INFO com.jcraft.jsch-kex:client:diffie-hellman-group1-sha1，diffie-hellman-group1-exchange-sha1
19:48:14.387[tomcat http--13]INFO com.jcraft.jsch-kex:client:ssh-rsa，ssh-dss
19:48:14.388[tomcat http--13]INFO com.jcraft.jsch-kex:客户端：aes128 ctr、aes128 cbc、3des ctr、3des cbc、河豚cbc、aes192 cbc、aes256 cbc
19:48:14.388[tomcat http--13]INFO com.jcraft.jsch-kex:客户端：aes128 ctr、aes128 cbc、3des ctr、3des cbc、河豚cbc、aes192 cbc、aes256 cbc
19:48:14.388[tomcat http--13]INFO com.jcraft.jsch-kex:client:hmac-md5，hmac-sha1，hmac-sha2-256，hmac-sha1-96，hmac-md5-96
19:48:14.388[tomcat http--13]INFO com.jcraft.jsch-kex:client:hmac-md5，hmac-sha1，hmac-sha2-256，hmac-sha1-96，hmac-md5-96
19:48:14.388[tomcat http--13]INFO com.jcraft.jsch-kex:client:none
19:48:14.389[tomcat http--13]INFO com.jcraft.jsch-kex:client:none
19:48:14.389[tomcat http--13]INFO com.jcraft.jsch-kex:client:
19:48:14.389[tomcat http--13]INFO com.jcraft.jsch-kex:client:
19:48:14.390[tomcat http--13]INFO com.jcraft.jsch-kex:server->client aes128 cbc hmac-sha1无
19:48:14.391[tomcat http--13]INFO com.jcraft.jsch-kex:client->server aes128 cbc hmac-sha1无
19:48:14.477[tomcat http--13]INFO com.jcraft.jsch-SSH_MSG_KEXDH_INIT已发送
19:48:14.477[tomcat http--13]INFO com.jcraft.jsch-期待SS
<bean id="sftpSessionFactory"
    class="org.springframework.integration.sftp.session.DefaultSftpSessionFactory">
    <property name="host" value="myserver"/>
    <property name="port" value="22"/>
    <property name="user" value="ftptest"/>
    <property name="password" value="ftptest"/>
</bean>

<bean id="sftpSessionFactory"
    class="org.springframework.integration.sftp.session.DefaultSftpSessionFactory">
    <property name="host" value="myserver"/>
    <property name="port" value="22"/>
    <property name="user" value="ftptest"/>
    <property name="password" value="junk"/>
</bean>

Caused by: com.jcraft.jsch.JSchException: SSH_MSG_DISCONNECT: 2 Too many authentication failures for ftptest 

<util:properties id="props">
    <prop key="PreferredAuthentications">password</prop>
</util:properties>

<bean id="sftpSessionFactory"
    class="org.springframework.integration.sftp.session.DefaultSftpSessionFactory">
    <property name="host" value="10.0.0.3"/>
    <property name="port" value="22"/>
    <property name="user" value="ftpTest"/>
    <property name="password" value="ftpTest"/>
    <property name="sessionConfig" ref="props" />
</bean>