[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-2703) Avoid exceptions for invalid system request parameters

[Christian Bauer (JIRA)]

Avoid exceptions for invalid system request parameters
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                 Key: JBSEAM-2703
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2703
             Project: JBoss Seam
          Issue Type: Task
          Components: JSF Integration
            Reporter: Christian Bauer
            Priority: Minor


Some of Seams JSF integration code takes request parameters but doesn't check them properly for valid values. Usually that ends with an exception of some doofus tries to manipulate URIs:

java.lang.IllegalArgumentException: No enum const class org.jboss.seam.core.PropagationType.HTTP://WWW.ELECTROFED.COM/_APP/EFC/ODOQU/FERUS/
        at java.lang.Enum.valueOf(Enum.java:192)
        at org.jboss.seam.core.PropagationType.valueOf(PropagationType.java:8)
        at org.jboss.seam.core.ConversationPropagation.getPropagationFromRequestParameter(ConversationPropagation.java:163)
        at org.jboss.seam.core.ConversationPropagation.restoreConversationId(ConversationPropagation.java:58)
        at org.jboss.seam.jsf.SeamPhaseListener.afterRestoreView(SeamPhaseListener.java:389)
        at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:228)
        at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:194)
        at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:280)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)

We might want to look at these cases and see if can avoid exceptions and just ignore invalid input.



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