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Failed to execute on session
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org.springframework.integration.MessagingException: Failed to execute on session at org.springframework.integration.file.remote.RemoteFileTemplate.execute(RemoteFileTemplate.java:306) at org.springframework.integration.file.remote.RemoteFileTemplate.send(RemoteFileTemplate.java:190) at org.springframework.integration.file.remote.RemoteFileTemplate.send(RemoteFileTemplate.java:182) at org.springframework.integration.file.remote.handler.FileTransferringMessageHandler.handleMessageInternal(FileTransferringMessageHandler.java:112) at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:73) at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:115) at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:102) at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77) at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:178) at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:149) at com.sftpsample.util.SftpExample.execute(SftpExample.java:32) 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.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131) at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at com.sun.proxy.$Proxy9.execute(Unknown Source) at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:406) at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:330) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131) at org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:271) at org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInIteration(StepContextRepeatCallback.java:77) at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:368) at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:215) at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:144) at org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:257) at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:198) at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:148) at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:64) at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:67) at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:165) at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:144) at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:134) at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:304) at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:135) at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:49) at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:128) at com.sftpsample.main.MainApp.main(MainApp.java:143)Caused by: java.lang.IllegalStateException: failed to create SFTP Session at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:321) at org.springframework.integration.file.remote.RemoteFileTemplate.execute(RemoteFileTemplate.java:295) ... 43 moreCaused by: java.lang.IllegalStateException: failed to connect at org.springframework.integration.sftp.session.SftpSession.connect(SftpSession.java:250) at org.springframework.integration.sftp.session.DefaultSftpSessionFactory.getSession(DefaultSftpSessionFactory.java:316) ... 44 moreCaused by: com.jcraft.jsch.JSchException: Auth fail at com.jcraft.jsch.Session.connect(Session.java:461) at com.jcraft.jsch.Session.connect(Session.java:154)