# Ignition v8.1.14 com.inductiveautomation.ignition.client.gateway\_interface.GatewayException: Error authenticating **URL:** \ **Category:** Ignition\ **Created:** [March 29, 2022, 10:36am UTC](https://forum.inductiveautomation.com/t/ignition-v8-1-14-com-inductiveautomation-ignition-client-gateway-interface-gatewayexception-error-authenticating/57747 "2022-03-29T10:36:53Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Cedric\_Satre](https://avatars.discourse-cdn.com/v4/letter/c/87869e/32.png) [@Cedric\_Satre](https://forum.inductiveautomation.com/u/Cedric_Satre)\ **Post date:** [March 29, 2022, 10:36am UTC](https://forum.inductiveautomation.com/t/ignition-v8-1-14-com-inductiveautomation-ignition-client-gateway-interface-gatewayexception-error-authenticating/57747/1 "2022-03-29T10:36:53Z")
## Hi all I have an issue when i try to run Vision Client. I have migrated my server to a new one (Windows 2012 --\> Windows 2019). I can open Ignition but when i try to open Vision Client have this message. I have already seen the previous post of May 2020. and the message isn't exactly the same com.inductiveautomation.ignition.client.gateway\_interface.GatewayException: Error authenticating. at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.newGatewayException(GatewayInterface.java:351) at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.sendMessage(GatewayInterface.java:325) at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.sendMessage(GatewayInterface.java:278) at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.invoke(GatewayInterface.java:945) at com.inductiveautomation.factorypmi.application.runtime.ClientGatewayConnection.doLogin(ClientGatewayConnection.java:88) at com.inductiveautomation.ignition.client.gateway\_interface.AbstractGatewayConnection.login(AbstractGatewayConnection.java:920) at com.inductiveautomation.factorypmi.application.runtime.ClientPanel$ClassicLoginAction$LoginTask.run(ClientPanel.java:647) at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.inductiveautomation.ignition.gateway.servlets.gateway.functions.GatewayFunctionException: Error authenticating. at com.inductiveautomation.ignition.gateway.servlets.gateway.functions.Login.client(Login.java:470) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(null) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(null) at java.lang.reflect.Method.invoke(null) at com.inductiveautomation.ignition.gateway.servlets.gateway.AbstractGatewayFunction.invoke(AbstractGatewayFunction.java:228) at com.inductiveautomation.ignition.gateway.servlets.Gateway.doPost(Gateway.java:431) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at com.inductiveautomation.ignition.gateway.bootstrap.MapServlet.service(MapServlet.java:86) at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1450) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) 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:1434) 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:1349) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) at com.inductiveautomation.catapult.handlers.RemoteHostNameLookupHandler.handle(RemoteHostNameLookupHandler.java:121) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322) at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:59) 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$1(HttpChannel.java:388) at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) at java.lang.Thread.run(null) Ignition v8.1.14 (b2022012711) Java: Azul Systems, Inc. 11.0.13 ---
**Author:** ![jspecht](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jspecht/32/6465_2.png) [@jspecht](https://forum.inductiveautomation.com/u/jspecht)\ **Post date:** [March 29, 2022, 3:34pm UTC](https://forum.inductiveautomation.com/t/ignition-v8-1-14-com-inductiveautomation-ignition-client-gateway-interface-gatewayexception-error-authenticating/57747/2 "2022-03-29T15:34:14Z")
Is that the entire stack? I see: ```auto Caused by: com.inductiveautomation.ignition.gateway.servlets.gateway.functions.GatewayFunctionException: Error authenticating. at com.inductiveautomation.ignition.gateway.servlets.gateway.functions.Login.client(Login.java:470) ``` But there should be another “Caused by” at the bottom… ---
**Author:** ![Cedric\_Satre](https://avatars.discourse-cdn.com/v4/letter/c/87869e/32.png) [@Cedric\_Satre](https://forum.inductiveautomation.com/u/Cedric_Satre)\ **Post date:** [March 29, 2022, 3:53pm UTC](https://forum.inductiveautomation.com/t/ignition-v8-1-14-com-inductiveautomation-ignition-client-gateway-interface-gatewayexception-error-authenticating/57747/3 "2022-03-29T15:53:06Z")
yes it is the entire stack ---
**Author:** ![jspecht](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jspecht/32/6465_2.png) [@jspecht](https://forum.inductiveautomation.com/u/jspecht)\ **Post date:** [March 29, 2022, 3:55pm UTC](https://forum.inductiveautomation.com/t/ignition-v8-1-14-com-inductiveautomation-ignition-client-gateway-interface-gatewayexception-error-authenticating/57747/4 "2022-03-29T15:55:29Z")
Can you check your Gateway logs for an identical `Error attempting client login.` warning message logged to logger `Gateway.Login`? And post the entire stack here…