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https://issues.apache.org/jira/browse/SHINDIG-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dennis Ju updated SHINDIG-1497:
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Attachment: SHINDIG-1497.diff
simple workaround
> pubsub2 breaks due to exception after drag and drop of gadget
> -------------------------------------------------------------
>
> Key: SHINDIG-1497
> URL: https://issues.apache.org/jira/browse/SHINDIG-1497
> Project: Shindig
> Issue Type: Bug
> Components: Javascript
> Affects Versions: 2.0.2, 3.0.0
> Reporter: Dennis Ju
> Priority: Minor
> Attachments: SHINDIG-1497.diff
>
>
> After dragging and dropping a gadget rendered using pubsub-2, the following
> exception is thrown when attempting to pub/sub/unsubscribe:
> "Component returned failure code: 0xc1f30001 (NS_ERROR_NOT_INITIALIZED)
> nsIDOMJSWindow.setTimeout"
> The issue appears to be in rpc.js in the method callSameDomain(target, rpc).
> The first "if" clause is an optimization to avoid redefining
> sameDomain[target] (line 495) if the value is already defined. But the
> problem is that after you drag and drop, the target element value targetEl
> (line 492) has changed, which also means the value of sameDomain[target] has
> changed (line 495). But since sameDomain[target] is already defined, the
> code doesn't update the value of sameDomain[target], but instead jumps to
> calling the rpc (line 505).
> A simple workaround would be to comment out the "if" clause and matching
> brace (lines 482 and 501), but this of course removes the optimization as
> well. A better approach may be to have a callback to update
> sameDomain[target] or a global boolean variable indicating when
> sameDomain[target] needs to be updated.
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