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<div style="margin: 0px;" class="">Hello,</div>
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<div style="margin: 0px;" class="">We run IDP 3.2.1 and implemented DUO according to instruction that University of Chicago provided(<a href="https://wiki.shibboleth.net/confluence/pages/viewpage.action?pageId=20807829" class="">https://wiki.shibboleth.net/confluence/pages/viewpage.action?pageId=20807829</a>).
 Sometimes there were â€˜Uncaught runtime exception’ in the IDP process log. Does anyone know what situation caused this exception?</div>
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<div style="margin: 0px;" class="">2017-01-27 16:17:26,117|10.94.3.45 - ERROR [net.shibboleth.idp.authn:-1] - Uncaught runtime exception</div>
<div style="margin: 0px;" class="">java.lang.IllegalStateException: You can only resume paused view states, and state [ActionState@7b2b162e id = 'validateDuo', flow = 'authn/Duo', entryActionList = list[[empty]], exceptionHandlerSet = list[[empty]], actionList
 = list[[AnnotatedAction@67a0e6c3 targetAction = [EvaluateAction@cd6db3b expression = ValidateDuoResponse, resultExpression = [null]], attributes = map[[empty]]], [AnnotatedAction@48e6b6a4 targetAction = [EvaluateAction@6bdf43f0 expression = 'proceed', resultExpression
 = [null]], attributes = map[[empty]]]], transitions = list[[Transition@b2936b6 on = proceed, to = proceed]], exitActionList = list[[empty]]] is not a view state - programmer error</div>
<div style="margin: 0px;" class=""><span class="Apple-tab-span" style="white-space:pre"></span>at org.springframework.webflow.engine.Flow.getCurrentViewState(Flow.java:633)</div>
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<div style="margin: 0px;" class="">Thanks,</div>
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<div style="orphans: 2; widows: 2;" class="">Hong</div>
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