Custom authenticator failure when go back with Choose different option with IDF initiated authenticators in first step.

[Thisara-Welmilla]

Description

Feature:

• Support for external custom authention extension #20809

1. Have basic, email otp and custom local authenticator configured for first step of the login flow.
2. Click login with email otp, give the username and to otp page.
3. Click choose different option from there.
4. And when come to first step click the custom authenticator.
5. Note it redirects to custom authenticators page.
6. Provide input and submit. Note the call to IS. And when call hits IS below exception occurs and user lands in something went wrong page.

[2025-02-19 19:48:51,777] [18cf8f97-5f0d-493d-b778-153b95ac6182] ERROR {org.wso2.carbon.identity.application.authentication.framework.handler.request.impl.DefaultRequestCoordinator} - Exception in Authentication Framework org.wso2.carbon.identity.application.authentication.framework.exception.FrameworkException: No authenticator can handle the request in step :  1
	at org.wso2.carbon.identity.application.authentication.framework.handler.step.impl.DefaultStepHandler.handleResponse(DefaultStepHandler.java:707)
	at org.wso2.carbon.identity.application.authentication.framework.handler.step.impl.DefaultStepHandler.handle(DefaultStepHandler.java:252)
	at org.wso2.carbon.identity.application.authentication.framework.handler.sequence.impl.GraphBasedSequenceHandler.handleAuthenticationStep(GraphBasedSequenceHandler.java:551)
	at org.wso2.carbon.identity.application.authentication.framework.handler.sequence.impl.GraphBasedSequenceHandler.handleNode(GraphBasedSequenceHandler.java:216)
	at org.wso2.carbon.identity.application.authentication.framework.handler.sequence.impl.GraphBasedSequenceHandler.handle(GraphBasedSequenceHandler.java:166)
	at org.wso2.carbon.identity.application.authentication.framework.handler.request.impl.DefaultAuthenticationRequestHandler.handle(DefaultAuthenticationRequestHandler.java:210)
	at org.wso2.carbon.identity.application.authentication.framework.handler.request.impl.DefaultRequestCoordinator.handle(DefaultRequestCoordinator.java:397)
	at org.wso2.carbon.identity.application.authentication.framework.CommonAuthenticationHandler.doPost(CommonAuthenticationHandler.java:57)
	at org.wso2.carbon.identity.application.authentication.framework.CommonAuthenticationHandler.doGet(CommonAuthenticationHandler.java:46)
	at org.wso2.carbon.identity.application.authentication.framework.servlet.CommonAuthenticationServlet.doGet(CommonAuthenticationServlet.java:48)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	at org.eclipse.equinox.http.helper.ContextPathServletAdaptor.service(ContextPathServletAdaptor.java:37)
	at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
	at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128)
	at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:60)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	at org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:642)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:416)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:348)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:285)
	at org.wso2.carbon.identity.context.rewrite.valve.TenantContextRewriteValve.invoke(TenantContextRewriteValve.java:185)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	at org.wso2.carbon.identity.context.rewrite.valve.OrganizationContextRewriteValve.invoke(OrganizationContextRewriteValve.java:123)
	at org.wso2.carbon.tomcat.ext.valves.SameSiteCookieValve.invoke(SameSiteCookieValve.java:38)
	at org.wso2.carbon.identity.cors.valve.CORSValve.invoke(CORSValve.java:83)
	at org.wso2.carbon.identity.authz.valve.AuthorizationValve.invoke(AuthorizationValve.java:185)
	at org.wso2.carbon.identity.auth.valve.AuthenticationValve.invoke(AuthenticationValve.java:129)
	at org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:110)
	at org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:49)
	at org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:71)
	at org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:152)
	at org.wso2.carbon.extension.identity.x509Certificate.valve.X509CertificateAuthenticationValve.invoke(X509CertificateAuthenticationValve.java:59)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
	at org.wso2.carbon.identity.core.context.valve.IdentityContextCreatorValve.invoke(IdentityContextCreatorValve.java:45)
	at org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:63)
	at org.wso2.carbon.tomcat.ext.valves.RequestEncodingValve.invoke(RequestEncodingValve.java:49)
	at org.wso2.carbon.tomcat.ext.valves.RequestCorrelationIdValve.invoke(RequestCorrelationIdValve.java:137)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:396)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.base/java.lang.Thread.run(Thread.java:834)

Version

No response

[Thisara-Welmilla]

Fixed with wso2-extensions/identity-outbound-auth-adapter#23