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Nested connected components trowing Warning: setState(...) #92

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Agamennon opened this issue Sep 5, 2015 · 5 comments
Closed

Nested connected components trowing Warning: setState(...) #92

Agamennon opened this issue Sep 5, 2015 · 5 comments

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@Agamennon
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I was on redux v1 and i was having no issues, now i upgraded redux and react-redux and i am getting
"Warning: setState(...): Can only update a mounted or mounting component." On some of my components (they are nested connected components), i am trying to find what changed that is causing this with no luck!.

@gaearon
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gaearon commented Sep 6, 2015

The only way we can help you is if you provide a reproducible example causing the issue.

@gaearon gaearon closed this as completed Sep 6, 2015
@gaearon
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gaearon commented Sep 6, 2015

To clarify: please reopen if you can set up a project that shows the problem.

@alexkuz
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alexkuz commented Sep 6, 2015

This kind of error usually happens when you're trying to update component state in a deferred function (like setTimeout), without canceling it in componentWillUnmount. I would suggest to check your code for that.

@Agamennon
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Made an example repo, details to help understand the example in the repository readme. @alexkuz i think that maybe that's whats happening inside react-redux, what is not clear, is how the app is triggering it.

@gaearon
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gaearon commented Sep 6, 2015

Should be fixed in 2.1.1 via #96.

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3 participants