SFTP Client Begin Session hanging in active state.

Troubleshooting

Problem

SFTP Client Begin Session hanging in active state with error in the SFTP Client log stating: SftpClientException: Unable to find adapter

Symptom

SFTP Client begin Session hanging in active state

Error Message

SFTP Client log

[2009-07-30 12:20:48.479] ALL 000000000000 GLOBAL_SCOPE Client.init(P,S) initialization successful.

[2009-07-30 12:20:48.48] ALL 000000000000 GLOBAL_SCOPE AdapterImpl.startupAdapter() - Adapter [FAGSFTPClientAdapterPS2GIS02] successfully started.

[2009-07-30 12:20:52.956] ALL 000000000000 GLOBAL_SCOPE AdapterImpl.refreshAdapter() - Adapter [FAGSFTPClientAdapterPS1GIS02] edit causing shutdown/re-start sequence.

[2009-07-30 12:20:52.957] ALL 000000000000 GLOBAL_SCOPE next session class is com.sterlingcommerce.woodstock.services.sftpclient.client.Session

[2009-07-30 12:20:52.957] ERROR 000000000000 GLOBAL_SCOPE Session.endSession(R,PT) session or channel was null.

[2009-07-30 12:20:52.957] ERROR 000000000000 GLOBAL_SCOPE Session.failedSequence(S,R) Session not connected.

[2009-07-30 13:01:35.76] ERROR 000000000000 GLOBAL_SCOPE SFTPClientBeginSession

java.rmi.UnexpectedException: undeclared checked exception; nested exception is:

com.sterlingcommerce.woodstock.services.ServiceStoppedException

at com.sterlingcommerce.woodstock.services.sftpclient.AdapterImpl_Stub.beginSession (AdapterImpl_Stub.java:171)

at com.sterlingcommerce.woodstock.services.sftpclient.services.BeginSessionService. primitiveProcessData(BeginSessionService.java:70)

at com.sterlingcommerce.woodstock.services.sftpclient.services.Service.processData( Service.java:76)

at com.sterlingcommerce.woodstock.workflow.activity.engine.ActivityEngineHelper.inv okeService(ActivityEngineHelper.java:1641)

at com.sterlingcommerce.woodstock.workflow.activity.engine.ActivityEngineHelper.nex tMainLogic(ActivityEngineHelper.java:616)

at com.sterlingcommerce.woodstock.workflow.activity.engine.ActivityEngineHelper.nex t(ActivityEngineHelper.java:348)

at com.sterlingcommerce.woodstock.workflow.queue.WorkFlowQueueListener.doWork(WorkF lowQueueListener.java:278)

at com.sterlingcommerce.woodstock.workflow.queue.WorkFlowQueueListener.run(WorkFlow QueueListener.java:192)

at com.sterlingcommerce.woodstock.workflow.queue.WorkFlowQueueListener.onMessage(Wo rkFlowQueueListener.java:157)

at com.sterlingcommerce.woodstock.workflow.queue.WorkFlowQueueListener.onMessage(Wo rkFlowQueueListener.java:143)

at com.sterlingcommerce.woodstock.workflow.queue.wfTransporter.run(wfTransporter.ja va:332)

at com.sterlingcommerce.woodstock.workflow.queue.BasicExecutor$Worker.run(BasicExec utor.java:519)

at java.lang.Thread.run(Thread.java:534)

Caused by: com.sterlingcommerce.woodstock.services.ServiceStoppedException

at com.sterlingcommerce.woodstock.services.controller.ServicesControllerImpl.termin ateService(ServicesControllerImpl.java:831)

at com.sterlingcommerce.woodstock.services.controller.ServicesControllerImpl.termin ateService(ServicesControllerImpl.java:802)

at com.sterlingcommerce.woodstock.ops.server.OpsServerRMIImpl.stopThread(OpsServerR MIImpl.java:1260)

at com.sterlingcommerce.woodstock.ops.server.OpsServerRMIImpl.stopThread(OpsServerR MIImpl.java:242)

at sun.reflect.GeneratedMethodAccessor777.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.jav a:25)

at java.lang.reflect.Method.invoke(Method.java:324)

at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:261)

at sun.rmi.transport.Transport$1.run(Transport.java:148)

at java.security.AccessController.doPrivileged(Native Method)

at sun.rmi.transport.Transport.serviceCall(Transport.java:144)

at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)

at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)< /p>

... 1 more

[2009-07-30 13:34:39.089] ERROR 000000000000 GLOBAL_SCOPE Unable to find adapter: FAG SFTP Client Adapter in service SFTPClientBeginSession

[2009-07-30 13:34:39.089] ERROR 000000000000 GLOBAL_SCOPE SFTPClientBeginSession

com.sterlingcommerce.woodstock.services.sftpclient.exception.SftpClientExcept ion: Unable to find adapter

at com.sterlingcommerce.woodstock.services.sftpclient.services.Service.getServerAda pterLittleA(Service.java:147)

at com.sterlingcommerce.woodstock.services.sftpclient.services.BeginSessionService. primitiveProcessData(BeginSessionService.java:69)