Information
  • Author: Appian Corporation
  • Type: Plug-in (Function & Smart Service)
  • Support: This plug-in or utility is not supported by the author. The content is free to use with a licensed product, but it is made available as-is and Community supported.
  • Industry: All Industries
  • Compatible Version(s): 22.1
  • First Released:
  • Last Updated:
  • Cost: Free
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Home » AppMarket » SFTP Smart Services

SFTP Smart Services

Overview

Contains multiple Smart Services for interacting with a remote file server via SFTP, FTP, or SCP.  Using these services, an Appian application can be configured to send and receive files, folders, and metadata in a process.  Features support for zlib compression.

Key Features & Functionality

Smart Services included:

  • SFTP:
    • Remove Directory Over SFTP (Basic Credentials)
    • Send File Over SFTP
    • Send File Over SFTP (Basic Credentials)
    • Receive File Over SFTP
    • Receive File Over SFTP (Basic Credentials)
    • Rename File Over SFTP
    • Get Remote Directory Contents Over SFTP
    • Get Remote Directory Contents Over SFTP (Basic Credentials)
    • Create Directory Over SFTP
    • Create Directory Over SFTP (Basic Credentials)
  • SCP:
    • Send File Over SCP
    • Receive File Over SCP
  • FTP:
    • Send File Over FTP
    • Receive File Over FTP
    • Receive Folder Over FTP
  • FTPS
    • Receive Folder Over FTPS
    • Send File Over FTPS (Basic Credentials)

All smart services in the package use Secure Credentials Store.

Anonymous
Parents

  • Hello Team - We are using "Send file over SFTP" node and it's returning following errors.. FYI, on same environment with different SFG gateway ID we are using "Receive file over SFTP" which is working fine.. however with sending file it's an error. Any help and pointer in right direction would be much appreciated.. Something changed with latest version?

    2022-10-20 05:15:26,584 [Appian Work Item - 148246 - WorkID 226 - execution01 - process 268492854 - model 10687 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP - Error connecting to remote SFTP server
com.jcraft.jsch.JSchException: java.io.IOException: channel is broken
	at com.jcraft.jsch.ChannelSftp.start(ChannelSftp.java:315)
	at com.jcraft.jsch.Channel.connect(Channel.java:152)
	at com.jcraft.jsch.Channel.connect(Channel.java:145)
	at com.appian.ps.plugins.sftpsmartservices.SFTPConfig.connect(SFTPConfig.java:182)
	at com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP.run(SendFileOverSFTP.java:141)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:136)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:136)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:130)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:130)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:143)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:129)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:110)
	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.io.IOException: channel is broken
	at com.jcraft.jsch.Session.write(Session.java:1289)
	at com.jcraft.jsch.ChannelSftp.sendINIT(ChannelSftp.java:2499)
	at com.jcraft.jsch.ChannelSftp.start(ChannelSftp.java:258)
	... 23 more
2022-10-20 05:15:26,585 [Appian Work Item - 148246 - WorkID 226 - execution01 - process 268492854 - model 10687 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP - Error transferring file to SFTP server
4: java.io.IOException: Pipe closed
	at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:551)
	at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:492)
	at com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP.run(SendFileOverSFTP.java:151)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:136)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:136)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:130)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:130)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:143)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:129)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:110)
	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.io.IOException: Pipe closed
	at java.io.PipedInputStream.read(PipedInputStream.java:307)
	at com.jcraft.jsch.Channel$MyPipedInputStream.updateReadSide(Channel.java:362)
	at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:515)
	... 21 more

Comment

  • Hello Team - We are using "Send file over SFTP" node and it's returning following errors.. FYI, on same environment with different SFG gateway ID we are using "Receive file over SFTP" which is working fine.. however with sending file it's an error. Any help and pointer in right direction would be much appreciated.. Something changed with latest version?

    2022-10-20 05:15:26,584 [Appian Work Item - 148246 - WorkID 226 - execution01 - process 268492854 - model 10687 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP - Error connecting to remote SFTP server
com.jcraft.jsch.JSchException: java.io.IOException: channel is broken
	at com.jcraft.jsch.ChannelSftp.start(ChannelSftp.java:315)
	at com.jcraft.jsch.Channel.connect(Channel.java:152)
	at com.jcraft.jsch.Channel.connect(Channel.java:145)
	at com.appian.ps.plugins.sftpsmartservices.SFTPConfig.connect(SFTPConfig.java:182)
	at com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP.run(SendFileOverSFTP.java:141)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:136)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:136)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:130)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:130)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:143)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:129)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:110)
	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.io.IOException: channel is broken
	at com.jcraft.jsch.Session.write(Session.java:1289)
	at com.jcraft.jsch.ChannelSftp.sendINIT(ChannelSftp.java:2499)
	at com.jcraft.jsch.ChannelSftp.start(ChannelSftp.java:258)
	... 23 more
2022-10-20 05:15:26,585 [Appian Work Item - 148246 - WorkID 226 - execution01 - process 268492854 - model 10687 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP - Error transferring file to SFTP server
4: java.io.IOException: Pipe closed
	at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:551)
	at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:492)
	at com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP.run(SendFileOverSFTP.java:151)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:136)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:136)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:130)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:130)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:143)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:129)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:110)
	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.io.IOException: Pipe closed
	at java.io.PipedInputStream.read(PipedInputStream.java:307)
	at com.jcraft.jsch.Channel$MyPipedInputStream.updateReadSide(Channel.java:362)
	at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:515)
	... 21 more

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