Re: WOBrowser Error java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
Re: WOBrowser Error java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
- Subject: Re: WOBrowser Error java.lang.UnsupportedOperationException: addAll is not a supported operation in com.webobjects.foundation.NSArray
- From: Johann Werner <email@hidden>
- Date: Mon, 05 Sep 2011 22:05:58 +0200
Am 05.09.2011 um 09:58 schrieb pavan.jayam:
> 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
That error suggests that you want to add objects to an NSArray. An NSArray is immutable thus the error 'not supported'. You should use NSMutableArrays.
jw
> 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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