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.

raghulvishnud over 2 years ago in reply to LukeVaughan
Hi LukeVaughan

, Please try below
- Check if the same file is received using sftp tools like WinSCP.If it works please share the additional configurations if any made in WinSCP to achieve the connection
- Please share us the tomcat-stdout.log so we can identify the root cause of the issue
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mwiseman1 over 2 years ago

Has anyone had issues using this plugin with v21.3?

SFTP issue deleting files in our recently upgraded environment: 1) File deletion response sometimes not getting sent properly (false positive) for the FTP folder, 2) requesting multiple files, typically more than 5, causes files not to be removed.

Any ideas about the root cause for these issues and potential work-around, such as automatic retry?
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sandrap845 over 2 years ago in reply to elijahp0001

Hi Elijahp0001,

We have the same problem, can you tell me how you solved it?

Greetings and thank you
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raghulvishnud over 2 years ago in reply to mwiseman1

Hi mwiseman1 ,

We will try recreating this scenario in our environment. It would be helpful if you can please share the log files to understand to recreate the scenario
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mwiseman1 over 2 years ago in reply to shilparajgil

This sounds like the issue we now have, any resolution?
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raghulvishnud over 2 years ago in reply to mwiseman1

Hi mwiseman1 ,

I tried to delete 2 files parallel in our environment which is in 21.3 and received no false positives and files were deleted successfully. Please share with us the configuration of the node in the environment and the log files to reproduce the scenario and provide a solution
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andrese378 over 2 years ago

Hi!

I'm also having the same problem. I'm trying to get some documents over SFTP.

Before the 7-8th document everithing works fine, but after this it starts to throw a timeout exception,as follows:

2021-11-11 09:20:28,224 [Appian Work Item - 872416 - execution02 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.GetRemoteDirectoryContentsOverSFTP - Error connecting to SFTP server
com.jcraft.jsch.JSchException: Session.connect: java.net.SocketException: Connection timed out (Read failed)
	at com.jcraft.jsch.Session.connect(Session.java:565)
	at com.jcraft.jsch.Session.connect(Session.java:183)
	at com.appian.ps.plugins.sftpsmartservices.SFTPConfig.connect(SFTPConfig.java:178)
	at com.appian.ps.plugins.sftpsmartservices.GetRemoteDirectoryContentsOverSFTP.run(GetRemoteDirectoryContentsOverSFTP.java:65)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:131)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:131)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:113)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.process(UnattendedJavaActivityRequest.java:41)
	at com.appiancorp.process.engine.ProcessEngineServiceImpl.processUnattendedRequest(ProcessEngineServiceImpl.java:162)
	at com.appiancorp.process.engine.ProcessEngineServiceImpl.processToNextAttended(ProcessEngineServiceImpl.java:228)
	at sun.reflect.GeneratedMethodAccessor2934.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.appiancorp.util.MethodInvocationReflectionImpl.proceed(MethodInvocationReflectionImpl.java:23)
	at com.appiancorp.security.authz.AuthorizationMethodInterceptor.invoke(AuthorizationMethodInterceptor.java:54)
	at com.appiancorp.services.ServiceManager$ServiceInvocationHandler.invoke(ServiceManager.java:479)
	at com.sun.proxy.$Proxy298.processToNextAttended(Unknown Source)
	at com.appiancorp.process.design.service.ProcessDesignServiceXmlImpl.initiateProcess(ProcessDesignServiceXmlImpl.java:1052)
	at com.appiancorp.process.design.service.ExtendedProcessDesignServiceJavaImpl.initiateProcessWithFullResult(ExtendedProcessDesignServiceJavaImpl.java:390)
	at sun.reflect.GeneratedMethodAccessor2933.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.appiancorp.kougar.services.KougarServiceInvocationHandler$JavaInvocationHandler.invoke(KougarServiceInvocationHandler.java:106)
	at com.appiancorp.kougar.services.KougarServiceInvocationHandler$KougarMethodInvocation.proceed(KougarServiceInvocationHandler.java:287)
	at com.appiancorp.security.authz.AuthorizationMethodInterceptor.invoke(AuthorizationMethodInterceptor.java:54)
	at com.appiancorp.kougar.services.KougarServiceInvocationHandler.invoke(KougarServiceInvocationHandler.java:324)
	at com.sun.proxy.$Proxy27.initiateProcessWithFullResult(Unknown Source)
	at com.appiancorp.process.runtime.activities.StartProcessSmartService2.run(StartProcessSmartService2.java:99)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:129)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:123)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:94)
	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
2021-11-11 09:20:28,224 [Appian Work Item - 872416 - execution02 : UnattendedJavaActivityRequest] ERROR com.appiancorp.process.engine.UnattendedJavaActivityRequest - An error occurred while executing activity: id=268444294, classname=com.appian.ps.plugins.sftpsmartservices.GetRemoteDirectoryContentsOverSFTP
com.appiancorp.suiteapi.process.exceptions.SmartServiceException: userMsg[error.sftp_conn=Error establishing SFTP connection. Confirm your hostname, username and password. See application server log for more details. Error Message: Session.connect: java.net.SocketException: Connection timed out (Read failed)]
	at com.appiancorp.suiteapi.process.exceptions.SmartServiceException$Builder.build(SmartServiceException.java:145)
	at com.appian.ps.plugins.sftpsmartservices.GetRemoteDirectoryContentsOverSFTP.createException(GetRemoteDirectoryContentsOverSFTP.java:203)
	at com.appian.ps.plugins.sftpsmartservices.GetRemoteDirectoryContentsOverSFTP.run(GetRemoteDirectoryContentsOverSFTP.java:70)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:131)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:131)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:113)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.process(UnattendedJavaActivityRequest.java:41)
	at com.appiancorp.process.engine.ProcessEngineServiceImpl.processUnattendedRequest(ProcessEngineServiceImpl.java:162)
	at com.appiancorp.process.engine.ProcessEngineServiceImpl.processToNextAttended(ProcessEngineServiceImpl.java:228)
	at sun.reflect.GeneratedMethodAccessor2934.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.appiancorp.util.MethodInvocationReflectionImpl.proceed(MethodInvocationReflectionImpl.java:23)
	at com.appiancorp.security.authz.AuthorizationMethodInterceptor.invoke(AuthorizationMethodInterceptor.java:54)
	at com.appiancorp.services.ServiceManager$ServiceInvocationHandler.invoke(ServiceManager.java:479)
	at com.sun.proxy.$Proxy298.processToNextAttended(Unknown Source)
	at com.appiancorp.process.design.service.ProcessDesignServiceXmlImpl.initiateProcess(ProcessDesignServiceXmlImpl.java:1052)
	at com.appiancorp.process.design.service.ExtendedProcessDesignServiceJavaImpl.initiateProcessWithFullResult(ExtendedProcessDesignServiceJavaImpl.java:390)
	at sun.reflect.GeneratedMethodAccessor2933.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.appiancorp.kougar.services.KougarServiceInvocationHandler$JavaInvocationHandler.invoke(KougarServiceInvocationHandler.java:106)
	at com.appiancorp.kougar.services.KougarServiceInvocationHandler$KougarMethodInvocation.proceed(KougarServiceInvocationHandler.java:287)
	at com.appiancorp.security.authz.AuthorizationMethodInterceptor.invoke(AuthorizationMethodInterceptor.java:54)
	at com.appiancorp.kougar.services.KougarServiceInvocationHandler.invoke(KougarServiceInvocationHandler.java:324)
	at com.sun.proxy.$Proxy27.initiateProcessWithFullResult(Unknown Source)
	at com.appiancorp.process.runtime.activities.StartProcessSmartService2.run(StartProcessSmartService2.java:99)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:129)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:123)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:94)
	at org.springframework.jca.work.SimpleTaskWorkManager$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:748)
Caused by: com.jcraft.jsch.JSchException: Session.connect: java.net.SocketException: Connection timed out (Read failed)
	at com.jcraft.jsch.Session.connect(Session.java:565)
	at com.jcraft.jsch.Session.connect(Session.java:183)
	at com.appian.ps.plugins.sftpsmartservices.SFTPConfig.connect(SFTPConfig.java:178)
	at com.appian.ps.plugins.sftpsmartservices.GetRemoteDirectoryContentsOverSFTP.run(GetRemoteDirectoryContentsOverSFTP.java:65)
	... 51 more

Any ideas about this issue?

raghulvishnud over 2 years ago in reply to andrese378

Hi, Can you please elaborate a little Before the 7-8th document everything works fine, but after this, it starts to throw a timeout exception, so it will help us identify the root cause?

The configurations of the node how the instances are triggered (MNI or default), are you trying with a combination of getting directory contents followed by receive file over sftp, The above information will help us to replicate and identify a fix for the issue

From the error, we can see the issue is related to connectivity the Client is unable to read the entire contents before the timeout is configured. From a code perspective no upper bound time limit is specified for connection and for each instance of the above operation we are closing the channel
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TJ over 2 years ago

I am trying to send document using 'Send File Over SFTP' but receiving below error:

2021-12-07 13:26:29,772 [Appian Work Item - 54497 - execution00 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP - Error connecting to remote SFTP server
com.jcraft.jsch.JSchException: java.net.UnknownHostException: https://host.com
at com.jcraft.jsch.Util.createSocket(Util.java:349)
at com.jcraft.jsch.Session.connect(Session.java:215)
at com.jcraft.jsch.Session.connect(Session.java:183)
at com.appian.ps.plugins.sftpsmartservices.SFTPConfig.connect(SFTPConfig.java:178)
at com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP.run(SendFileOverSFTP.java:140)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:131)
at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:131)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:123)
at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:94)
at org.springframework.jca.work.SimpleTaskWorkManager$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:748)
Caused by: java.net.UnknownHostException: https://host.com
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
at java.net.VPNSocketImpl.connect(VPNSocketImpl.java:50)
at java.net.Socket.connect(Socket.java:607)
at java.net.Socket.connect(Socket.java:556)
at java.net.Socket.<init>(Socket.java:452)
at java.net.Socket.<init>(Socket.java:229)
at com.jcraft.jsch.Util.createSocket(Util.java:343)
... 23 more
2021-12-07 13:26:29,773 [Appian Work Item - 54497 - execution00 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP - Error transferring file to SFTP server
java.lang.NullPointerException
at com.appian.ps.plugins.sftpsmartservices.SendFileOverSFTP.run(SendFileOverSFTP.java:149)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:131)
at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:131)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:125)
at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:125)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:116)
at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:123)
at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:94)
at org.springframework.jca.work.SimpleTaskWorkManager$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:748)

Has anyone faced similar issues? Please let me know if you have any inputs on this.
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raghulvishnud over 2 years ago in reply to TJ

Hi From the Error Log ,we can see that the server is trying to connect to https://host.com which is not resolvable from your machines network resulting in a unknown host exception .

Please try checking the same from your side
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