duplicate symbol _OBJC_IVAR_$_SSZipArchive._zip in: #241

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1. geof90 commented on Mar 12, 2016

   

   Geoffrey Goh (geof90)

   on Mar 12, 2016

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   Hi Chirag Jain (@chirag04) (and anyone else who could be hitting this issue),

   The full workaround is to

   1. Delete SSZipArchive from the CodePush library project
      
   2. Update the Header Search Paths of the CodePush library project to point at the version of SSZipArchive that is bundled together with the react-native-zip-archive plugin.
      

   Closing this, feel free to reopen if this does not work for you.

   👍React with 👍3Reacted by Kyle Finley, Perry and JRK

   👎React with 👎7Reacted by Alex Rothberg, Cesar Kawakami, RoosterKelly, Diel Duarte, xclidongbo, sombizbuzzz and VrajSolanki
2. Geoffrey Goh (geof90)

   closed this as completedon Mar 12, 2016
3. chirag04 commented on Apr 26, 2016

   

   Chirag Jain (chirag04)

   on Apr 26, 2016

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   Geoffrey Goh (@geof90) well this work but everytime i npm install i would need to delete the folder and set the path again. Can we do one time setup?
4. geof90 commented on May 17, 2016

   

   Geoffrey Goh (geof90)

   on May 17, 2016

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   Chirag Jain (@chirag04) Sorry for the late reply, I somehow missed this. The best way I see to prevent having the manual deletion step is to make a fork of our project, delete the folder in that fork, and then specify your fork's github URL as a dependency in your package.json.
5. cancan101 commented on May 25, 2016

   

   Alex Rothberg (cancan101)

   on May 25, 2016

   Last edited by cancan101

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   This solution seems less than ideal. Why does this project need to vendor SSZipArchive? Is there no way to handle this dependency in a smarter fashion that does not conflict with other npm packages?

   ie some equivalent of NoZip.
6. lostintangent commented on May 25, 2016

   

   Jonathan Carter (lostintangent)

   on May 25, 2016

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   Alex Rothberg (@cancan101) It's definitely non-ideal. Unfortunately, react-native-zip-archive also bundles a copy of SSZipArchive with it, so we couldn't easily share a common dependency from CocoaPods/etc. with that package, if both it and CodePush were installed.

   Which NPM package is creating the conflict for you? Are you also trying to use react-native-zip-archive? I'll give some thought to this issue today since I agree it needs to be addressed.
7. cancan101 commented on May 25, 2016

   

   Alex Rothberg (cancan101)

   on May 25, 2016

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   Yes, am trying to use react-native-zip-archive and I do see they are vendoring as well. I suppose you are both doing so to solve the problem of dependency management in the case where the user is not using Cocoapods.

   The reason that I don't want to install react-native-code-push using cocoapods is the requirement to then install RN using cocoapods which I do not want to do.
8. plrthink commented on Nov 16, 2016

   

   Perry (plrthink)

   on Nov 16, 2016

   Last edited by plrthink

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   I'm the author of react-native-zip-archive. I'm also facing this problem today since we are integrating CodePush to our own app.

   Honestly, I'm not familiar with native development and I don't know how cocoapod solve this dependency so is there anything I can do with that? I'm so willing to fix this with codepush team.

   👍React with 👍5Reacted by Cesar Kawakami, valinaga, Fansx, Evan and sombizbuzzz

   😄React with 😄1Reacted by sombizbuzzz
9. itinance commented on Nov 16, 2016

   

   Hagen Hübel (itinance)

   on Nov 16, 2016

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   From the codepush-docs:

   CodePush depends on an internal copy of the SSZipArchive library, so if your project already includes it (either directly or via a transitive dependency), then you can install a version of CodePush which excludes it by depending specifically on the Core subspec:

   pod 'CodePush', :path => './node_modules/react-native-code-push', :subspecs => ['Core']
   NOTE: The above paths needs to be relative to your app’s Podfile, so adjust it as nec cessary.

   Have you tried this out?

   👍React with 👍1Reacted by Peace

   👎React with 👎3Reacted by Cesar Kawakami, zypher2004 and augus
10. plrthink commented on Nov 16, 2016

    

    Perry (plrthink)

    on Nov 16, 2016

    Last edited by plrthink

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    Hagen Hübel (@itinance) I haven't tried that approach yet. But I think not every rn users use cocoapod, so I still want to try some other solutions.

    My colleague told me that since the linker in xcode identifies code by its class names so I changed the class name of SSZipArchive to RNSSZipArchive and this solved the problem. But it still not a perfect way to do that.

    If any user is facing the same issue then you can install react-native-zip-archive via github with custom-ssziparchive branch now.

    Still trying to find a better solution...
11. RoosterKelly commented on Jun 8, 2017

    

    RoosterKelly

    on Jun 8, 2017

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    Geoffrey Goh (@geof90) This is still a significant problem. Is there yet a good solution that does not require constant management of this package just so it does not conflict with other react native modules?
    Solutions found so far:

    Delete the SSZipArchive and update the search path, which gets overwritten on ever npm install

    Create fork, do your own builds. When keep track of updates to parent get and merge changes any time you need them.

    Both solutions incur significant cost on any team that runs into this issue.

    Perry (@plrthink) Have you had any success on finding a work around on your end?
12. plrthink commented on Jun 9, 2017

    

    Perry (plrthink)

    on Jun 9, 2017

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    RoosterKelly I have just pushed the next branch which should fix this issue. You can install it via "react-native-zip-archive": "mockingbot/react-native-zip-archive#next" to test it out. If it works on your side, I would publish a version to npm ASAP
13. plrthink commented on Jun 12, 2017

    

    Perry (plrthink)

    on Jun 12, 2017

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    For folks still use some workarounds to solve this issue, please update react-native-zip-archive to v2 which would fix this out of the box.

    👍React with 👍1Reacted by Sergey Akhalkov
14. peacechen commented on Jul 19, 2018

    

    Peace (peacechen)

    on Jul 19, 2018

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    I upgraded my project to RN 0.56 and CodePush 5.4.0. The build blew up complaining of duplicate symbol errors for Base64, JWT and SSZipArchive. itinance's suggestion of subspecs => ['Core'] for the CodePush pod fixed the problem.

    My app isn't using react-native-zip-archive so I'm not sure what's pulling that in. Maybe because CodePush.xcodeproj is included under the project's Libraries?

    👍React with 👍2Reacted by Indra Santosa and Kevin Coleman
15. VrajSolanki commented on Dec 5, 2019

    

    VrajSolanki

    on Dec 5, 2019

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    Geoffrey Goh (@geof90) Chirag Jain (@chirag04)
    I tried remove the SSZIPArchive folder and added custom branch custom-ssziparchive from react-native-zip-archive as suggested by Perry (@plrthink).
    But now codePush.a linking fails with the error:

    Undefined symbols for architecture x86_64:
      "_OBJC_CLASS_$_RNSSZipArchive", referenced from:
          objc-class-ref in libCodePush.a(CodePushPackage.o)
    ld: symbol(s) not found for architecture x86_64
    

    can you please suggest something here ?
16. plrthink commented on Dec 5, 2019

    

    Perry (plrthink)

    on Dec 5, 2019

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    VrajSolanki If your react native is above version 60 you can simply use the latest version of there two libraries which would solve the problem automatically.