Troubleshooting
Problem
When you run the SSH Key Grabber from SI-Dashboard >> Trading Partner >> SSH >> Known Host Key >> Check in SSH Known Host Key >> Go >> Obtain key from a Remote Host
and you get: Key Fetch Failed! null
and you get: Key Fetch Failed! null
In ui.log the following exception is reported:
[2022-11-10 10:52:15.537] ERROR [UpdateSFTPKeys] Catch Exception inside readRequest()
[2022-11-10 10:52:15.538] ERROR [1668077535537] null
[2022-11-10 10:52:15.538] ERRORDTL [1668077535537]java.lang.NullPointerException
at com.sterlingcommerce.woodstock.ui.servlet.UpdateSFTPKeys.validKeyName(UpdateSFTPKeys.java:392)
at com.sterlingcommerce.woodstock.ui.servlet.UpdateSFTPKeys.readRequest(UpdateSFTPKeys.java:889)
at com.sterlingcommerce.woodstock.ui.servlet.UpdateSFTPKeys.doPost(UpdateSFTPKeys.java:326)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1452)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
at com.sterlingcommerce.woodstock.ui.dlsso.DLSSOFilter.doFilter(DLSSOFilter.java:264)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.security.csrf.SCUIcsrfFilter.doFilter(SCUIcsrfFilter.java:67)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.security.dv.web.SCUIRequestValidatorFilter.doFilter(SCUIRequestValidatorFilter.java:30)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.security.dv.web.SCUISafeRequestFilter.doFilter(SCUISafeRequestFilter.java:42)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.woodstock.noapp.HttpsRedirectFilter.doFilter(HttpsRedirectFilter.java:141)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.woodstock.ui.SecurityExtensionFilter.doFilter(SecurityExtensionFilter.java:238)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle(Server.java:516)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.eclipse.jetty.server.HttpChannel$$Lambda$242/000000002C03D0C0.dispatch(Unknown Source)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:540)
at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:395)
at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:161)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)
at java.lang.Thread.run(Thread.java:822)
In addition the property defaultSFTP is set to 2.0, i.e. defaultSFTP=2.0.
This is a known issue with the SSH Key Grabber and the Apache SFTP client libraries (i.e. defaultSFTP=2.0)
which was observed in ISBI 6.1.0.4 but might also apply to other ISBI versions.
[2022-11-10 10:52:15.537] ERROR [UpdateSFTPKeys] Catch Exception inside readRequest()
[2022-11-10 10:52:15.538] ERROR [1668077535537] null
[2022-11-10 10:52:15.538] ERRORDTL [1668077535537]java.lang.NullPointerException
at com.sterlingcommerce.woodstock.ui.servlet.UpdateSFTPKeys.validKeyName(UpdateSFTPKeys.java:392)
at com.sterlingcommerce.woodstock.ui.servlet.UpdateSFTPKeys.readRequest(UpdateSFTPKeys.java:889)
at com.sterlingcommerce.woodstock.ui.servlet.UpdateSFTPKeys.doPost(UpdateSFTPKeys.java:326)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1452)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
at com.sterlingcommerce.woodstock.ui.dlsso.DLSSOFilter.doFilter(DLSSOFilter.java:264)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.security.csrf.SCUIcsrfFilter.doFilter(SCUIcsrfFilter.java:67)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.security.dv.web.SCUIRequestValidatorFilter.doFilter(SCUIRequestValidatorFilter.java:30)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.security.dv.web.SCUISafeRequestFilter.doFilter(SCUISafeRequestFilter.java:42)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.woodstock.noapp.HttpsRedirectFilter.doFilter(HttpsRedirectFilter.java:141)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at com.sterlingcommerce.woodstock.ui.SecurityExtensionFilter.doFilter(SecurityExtensionFilter.java:238)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle(Server.java:516)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.eclipse.jetty.server.HttpChannel$$Lambda$242/000000002C03D0C0.dispatch(Unknown Source)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:540)
at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:395)
at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:161)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)
at java.lang.Thread.run(Thread.java:822)
In addition the property defaultSFTP is set to 2.0, i.e. defaultSFTP=2.0.
This is a known issue with the SSH Key Grabber and the Apache SFTP client libraries (i.e. defaultSFTP=2.0)
which was observed in ISBI 6.1.0.4 but might also apply to other ISBI versions.
Document Location
Worldwide
[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS3JSW","label":"IBM Sterling B2B Integrator"},"ARM Category":[{"code":"a8m0z000000bm9eAAA","label":"Protocol-\u003ESFTP-\u003ESSH Key Grabber"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.1.0"}]
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Document Information
More support for:
IBM Sterling B2B Integrator
Component:
Protocol->SFTP->SSH Key Grabber
Software version:
6.1.0
Document number:
6844759
Modified date:
05 December 2022
UID
ibm16844759
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