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WOBrowser Error java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
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WOBrowser Error java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray

  • Subject: WOBrowser Error java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
  • From: "pavan.jayam" <email@hidden>
  • Date: Mon, 05 Sep 2011 13:28:35 +0530
Hi List,

I am using WOBrowser to select multiple objects.

For ex: WOBrowser 1 contains state objects, if any of the state selected(moved to WOBrowser2 ) i am displaying Districts for that state in the WOBrowser 3.  To move state object from WOBrowser1 to WOBrowser2 i am using WOImageButton.

First time i am able to select/move a single or multiple states from WOBrowser1 to WOBrowser2, but after displaying districts in WOBrowser3 , i tried to select/move a single district or if i tried to select/move another state from WOBrowser1 to WOBrowser2,  it throws the following exception:

java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray

If i am not displaying district WOBrowsers on selecting the state then i am able to select/move single or multiple states from WOBrowser1 to WOBrowser2 and viceversa.

Exception : java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
[2011-9-5 3:18:43 EDT] <WorkerThread13> java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
        at com.webobjects.foundation.NSArray.addAll(NSArray.java:917)
        at er.extensions.foundation.ERXPatcher$DynamicElementsPatches$Browser.setSelectionListInContext(ERXPatcher.java:533)
        at com.webobjects.appserver._private.WOBrowser._fastTakeValuesFromRequest(WOBrowser.java:123)
        at com.webobjects.appserver._private.WOBrowser.takeValuesFromRequest(WOBrowser.java:138)
        at com.webobjects.appserver._private.WODynamicGroup.takeChildrenValuesFromRequest(WODynamicGroup.java:84)
        at com.webobjects.appserver._private.WODynamicGroup.takeValuesFromRequest(WODynamicGroup.java:93)
        at com.webobjects.appserver._private.WOConditional.takeValuesFromRequest(WOConditional.java:79)
        at com.webobjects.appserver._private.WODynamicGroup.takeChildrenValuesFromRequest(WODynamicGroup.java:84)
        at com.webobjects.appserver._private.WODynamicGroup.takeValuesFromRequest(WODynamicGroup.java:93)
        at er.extensions.components._private.ERXWOForm.takeValuesFromRequest(ERXWOForm.java:311)
        at com.webobjects.appserver._private.WODynamicGroup.takeChildrenValuesFromRequest(WODynamicGroup.java:84)
        at com.webobjects.appserver._private.WODynamicGroup.takeValuesFromRequest(WODynamicGroup.java:93)
        at com.webobjects.appserver.WOComponent.takeValuesFromRequest(WOComponent.java:1051)
        at er.extensions.components.ERXComponent.takeValuesFromRequest(ERXComponent.java:93)
        at com.webobjects.appserver.WOSession.takeValuesFromRequest(WOSession.java:1331)
        at er.extensions.appserver.ERXSession.takeValuesFromRequest(ERXSession.java:541)
        at com.webobjects.appserver.WOApplication.takeValuesFromRequest(WOApplication.java:1724)
        at er.extensions.appserver.ajax.ERXAjaxApplication.takeValuesFromRequest(ERXAjaxApplication.java:78)
        at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:199)
        at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:298)
        at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332)
        at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1984)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1949)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

Please suggest how to use more than 2 WOBrowsers in the same page.

Regards,
JPK.


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