Issues With Drag And Drop Area Of <af:inputFile> Component When "required" Property Is Set To "true" And "maximumFiles" Property Is Set To A Value Different Than "1" (Multiple Files Mode)
(Doc ID 2778360.1)
Last updated on SEPTEMBER 15, 2022
Applies to:
Oracle JDeveloper - Version 12.2.1.4.0 and laterInformation in this document applies to any platform.
Symptoms
An ADF 12.2.1.4.0 application has a page using <af:inputFile> component.
When setting "required" property to "true" the drag and drop area of the component is not visible.
When setting "maximumFiles" property to a value different than "1" the following exception is thrown server side
java.lang.IllegalStateException
at org.apache.myfaces.trinidadinternal.io.HtmlResponseWriter.writeAttribute(HtmlResponseWriter.java:304)
<_logUnhandledException> <ADF_FACES-60098:Faces lifecycle receives unhandled exceptions in phase RENDER_RESPONSE 6>
java.lang.IllegalStateException
at org.apache.myfaces.trinidadinternal.io.HtmlResponseWriter.writeAttribute(HtmlResponseWriter.java:304)
...
]] Root cause of ServletException.
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.IllegalStateException
Caused By: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.IllegalStateException
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:611)
Caused By: java.lang.IllegalStateException
Setting the "required" property to "false" the drag and drop area will be visible and the exception will disappear.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |