我正在处理一个需要使用Spring SFTP适配器将文件发送到多个目标的要求。所以我想创建一个类似于动态FTP示例的动态SFTP解析器。但它没有正常工作。我收到以下异常。
org.springframework.messaging.MessagingException: Dispatcher failed to deliver Message; nested exception is org.springframework.messaging.MessagingException: Failed to obtain pooled item; nested exception is java.lang.IllegalStateException: failed to create SFTP Session
at org.springframework.integration.dispatcher.AbstractDispatcher.wrapExceptionIfNecessary(AbstractDispatcher.java:133)
at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:120)
at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:147)
at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:120)
at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)
at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:442)
at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:392)
at org.springframework.integration.samples.ftp.DynamicFtpChannelResolver.createNewCustomerChannel(DynamicFtpChannelResolver.java:109)
at org.springframework.integration.samples.ftp.DynamicFtpChannelResolver.resolve(DynamicFtpChannelResolver.java:91)
at org.springframework.integration.samples.ftp.DynamicFtpChannelResolverTests.testResolve(DynamicFtpChannelResolverTests.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: org.springframework.messaging.MessagingException: Failed to obtain pooled item; nested exception is java.lang.IllegalStateException: failed to create SFTP Session
at org.springframework.integration.util.SimplePool.getItem(SimplePool.java:178)
at org.springframework.integration.file.remote.session.CachingSessionFactory.getSession(CachingSessionFactory.java:123)
at org.springframework.integration.file.remote.RemoteFileTemplate.execute(RemoteFileTemplate.java:408)
at org.springframework.integration.file.remote.RemoteFileTemplate.send(RemoteFileTemplate.java:282)
at org.springframework.integration.file.remote.RemoteFileTemplate.send(RemoteFileTemplate.java:272)
at org.springframework.integration.file.remote.RemoteFileTemplate.send(RemoteFileTemplate.java:264)
at org.springframework.integration.file.remote.handler.FileTransferringMessageHandler.handleMessageInternal(FileTransferringMessageHandler.java:142)
at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:127)
at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116)
... 31 more
Caused by: java.lang.IllegalStateException: failed to create SFTP Session
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:382)
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:55)
at org.springframework.integration.file.remote.session.CachingSessionFactory$1.createForPool(CachingSessionFactory.java:81)
at org.springframework.integration.file.remote.session.CachingSessionFactory$1.createForPool(CachingSessionFactory.java:78)
at org.springframework.integration.util.SimplePool.doGetItem(SimplePool.java:188)
at org.springframework.integration.util.SimplePool.getItem(SimplePool.java:169)
... 39 more
Caused by: java.lang.IllegalStateException: failed to connect
at org.springframework.integration.sftp.session.SftpSession.connect(SftpSession.java:272)
at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:377)
... 44 more
Caused by: com.jcraft.jsch.JSchException: reject HostKey: <HOST>
at com.jcraft.jsch.Session.checkHost(Session.java:791)
at com.jcraft.jsch.Session.connect(Session.java:342)
at com.jcraft.jsch.Session.connect(Session.java:183)
at org.springframework.integration.sftp.session.SftpSession.connect(SftpSession.java:263)
... 45 more