[jboss-jira] [JBoss JIRA] (WFLY-6889) ArrayIndexOutOfBoundsException happens when Accept header is just a slash

[Dmitrii Tikhomirov (JIRA)]

Dmitrii Tikhomirov created WFLY-6889:
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             Summary: ArrayIndexOutOfBoundsException happens when Accept header is just a slash
                 Key: WFLY-6889
                 URL: https://issues.jboss.org/browse/WFLY-6889
             Project: WildFly
          Issue Type: Bug
          Components: JSF
    Affects Versions: 10.0.0.Final
            Reporter: Dmitrii Tikhomirov
            Assignee: Dmitrii Tikhomirov
             Fix For: 10.1.0.CR1


Some clients send Accept header with just '/'. It causes ArrayIndexOutOfBoundsException as follows.
{code}
2016-07-26 14:22:57,119 SEVERE [javax.enterprise.resource.webcontainer.jsf.application] (default task-15) Error Rendering View[/index.xhtml]: java.lang.ArrayIndexOutOfBoundsException: 0
        at com.sun.faces.renderkit.RenderKitUtils.buildTypeArrayFromString(RenderKitUtils.java:913)
        at com.sun.faces.renderkit.RenderKitUtils.determineContentType(RenderKitUtils.java:563)
        at com.sun.faces.renderkit.RenderKitImpl.createResponseWriter(RenderKitImpl.java:260)
        at com.sun.faces.application.view.FaceletViewHandlingStrategy.createResponseWriter(FaceletViewHandlingStrategy.java:1193)
        at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:405)
        at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:134)
        at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
        at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
        at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
        at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
        at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
        at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:285)
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:264)
        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:175)
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:802)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)


{code}
This is fixed in the upstream as JAVASERVERFACES-4077 but not backported yet.
https://java.net/jira/browse/JAVASERVERFACES-4077
https://github.com/javaserverfaces/mojarra/commit/14514cfe589cacad683f86acf46fcf880b7b7961



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