2482201 - java.lang.SecurityException: Authentication failed for target system

When replicating the data from ERP to hybris commerce suite via datahub, there might be an exception thrown in datahub log.

[DEBUG] [c.h.d.c.c.i.DefaultExportClient] Status of the response from publish to target system: HybrisCore, 401
[ERROR] [c.h.d.s.i.PublicationActionHandler] Publication #1 to target system HybrisCore failed
com.hybris.datahub.api.publication.PublicationException: An error occurred during the export of impex file
at com.hybris.datahub.core.adapter.impl.DefaultCoreAdapterPublicationService.targetSystemPublication(DefaultCoreAdapterPublicationService.java:61) ~[datahub-core-export-service-6.2.0.4-RC1.jar:na]
at com.hybris.datahub.core.adapter.impl.DefaultCoreAdapterPublicationService.publish(DefaultCoreAdapterPublicationService.java:39) ~[datahub-core-export-service-6.2.0.4-RC1.jar:na]
at com.hybris.datahub.core.adapter.impl.CoreAdapterService.publish(CoreAdapterService.java:78) ~[datahub-core-export-service-6.2.0.4-RC1.jar:na]
at com.hybris.datahub.service.publication.impl.DefaultDataHubPublicationService.startPublication(DefaultDataHubPublicationService.java:259) ~[datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at com.hybris.datahub.service.publication.impl.DefaultDataHubPublicationService.publish(DefaultDataHubPublicationService.java:101) ~[datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_51]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302) ~[spring-aop-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) ~[spring-aop-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208) ~[spring-aop-4.2.7.RELEASE.jar:4.2.7.RELEASE]
at com.sun.proxy.$Proxy131.publish(Unknown Source) ~[na:na]
at com.hybris.datahub.service.impl.PublicationActionHandler.publishToTargetSystems(PublicationActionHandler.java:339) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at com.hybris.datahub.service.impl.PublicationActionHandler.handlePublicationAction(PublicationActionHandler.java:126) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at com.hybris.datahub.service.impl.PublicationActionHandler.handleAction(PublicationActionHandler.java:95) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at com.hybris.datahub.service.impl.PublicationActionHandler.handleAction(PublicationActionHandler.java:70) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at com.hybris.datahub.command.impl.AbstractPerformCommand.lambda$execute$0(AbstractPerformCommand.java:57) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at com.hybris.datahub.command.impl.AbstractPerformCommand$$Lambda$124/1307621450.run(Unknown Source) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1618) [na:1.8.0_51]
at com.hybris.datahub.service.ExceptionHandlingAsyncTaskExecutor$2.run(ExceptionHandlingAsyncTaskExecutor.java:80) [datahub-service-6.2.0.4-RC1.jar:6.2.0.4-RC1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_51]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_51]
Caused by: java.lang.SecurityException: Authentication failed for target system
at com.hybris.datahub.core.client.impl.DefaultExportClient.validateExportResponse(DefaultExportClient.java:210) ~[datahub-core-export-service-6.2.0.4-RC1.jar:na]
at com.hybris.datahub.core.client.impl.DefaultExportClient.export(DefaultExportClient.java:79) ~[datahub-core-export-service-6.2.0.4-RC1.jar:na]
at com.hybris.datahub.core.adapter.impl.DefaultCoreAdapterPublicationService.targetSystemPublication(DefaultCoreAdapterPublicationService.java:56) ~[datahub-core-export-service-6.2.0.4-RC1.jar:na]
... 28 common frames omitted

• SAP Hybris Commerce 6.1
• Datahub 6.1

Datahub, OAuth, Authentication , KBA , CEC-SCC-INT-HUB , Data Hub , Problem