EventPluginRegistry: Cannot inject event plugin ordering more than once.

[ominiverdi]

trying to install all at latest version:

   "react": "15.3.1",
   "react-native": "0.32.0",

I got first errors about missing modules:

    "babel-preset-es2015": "^6.14.0",
    "babel-preset-react": "^6.11.1",
    "babel-preset-stage-2": "^6.13.0",

On the import of the module:

 EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React.

anything I'm missing?

[vvo]

Hi, I really don't know what's happening here. Can you try to remove react-native from package.json? Maybe that's the issue

[ominiverdi]

hi Vvo, thanks for your quick reply.
I tried to remove react-native from the package.json but still the same error.

here's below my package.json. If you see any problem.
There's some garbage around as I'm testing few options.

 { 
  "name": "xxxx",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start"
  },
  "dependencies": {
    "babel-preset-es2015": "^6.14.0",
    "babel-preset-react": "^6.11.1",
    "babel-preset-stage-2": "^6.13.0",
    "react": "15.3.1",
    "react-native": "0.32.0",
    "react-native-htmlview": "^0.5.0",
    "react-native-material-design": "^0.3.7",
    "react-native-material-design-styles": "^0.2.6"
  },
  "devDependencies": {
    "dom-serialize": "^2.2.1",
    "dom-serializer": "^0.1.0",
    "htmlparser2": "^3.9.1",
    "mediawiki": "0.0.14",
    "moment": "^2.14.1",
    "nodemw": "^0.10.1",
    "promise": "^7.1.1",
    "react-element-to-jsx-string": "^4.1.0",
    "react-to-jsx": "^1.3.2",
    "xmldom": "^0.1.22"
  }
}

[vvo]

I would try to remove packages/code and see when the issue disappears/when it appears.

As soon as you can prove here that react-element-to-jsx-string when present and called in a particular setup triggers an issue, we can work on it.

First you need to figure out with the minimum setup, how to reproduce the issue.

Once you have that, create a github repository and we will have a look, in the meantime I cannot help you more unfortunately. This is too vague as an issue to be solved, for now.

[ominiverdi]

appreciated, I'll work on it and let you know.

[seekshiva]

@vvo Here's a minimal project reproducing this bug: seekshiva/JsxToStringBugRepro

If you run the project, you will get the error: "EventPluginRegistry: Cannot inject event plugin ordering more than once."

Once you comment out all occurrences of reactElementToJSXString in modules/App.js you will be able to reload and see a functional app.

[ominiverdi]

thanks a lot guys, it worked :)

On Thu, Sep 8, 2016 at 8:41 PM, Shiva Nandan notifications@github.com
wrote:

@vvo https://github.com/vvo Here's a minimal project reproducing this
bug: seekshiva/JsxToStringBugRepro
https://github.com/seekshiva/JsxToStringBugRepro

If you run the project, you will get the error: "EventPluginRegistry:
Cannot inject event plugin ordering more than once."

Once you comment out all occurrences of reactElementToJSXString in
modules/App.js you will be able to reload and see a functional app.

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[seekshiva]

@ominiverdi Can you share what you did to get it working? I'm facing the same problem now.

[vvo]

Yep @ominiverdi it seems you solved the issue but how? I also fear it's a React "problem", see: facebook/react-native#8007

[seekshiva]

See here: reduxjs/react-redux#230 (comment)

This used to be a problem with with react-native shipping its own version of react and not using npm react (facebook/react-native#2985) but that issue was resolved and react-native now requires 'react' as a peerDependency. So I'm not sure why we get this error now.

[seekshiva]

@vvo FWIW, this issue doesn't exist when I use the react-to-jsx library mentioned in README.

[vvo]

@seekshiva did you fix it in the end?

[seekshiva]

I had a tight schedule and had to push something out soon, so I ended up using react-to-jsx.

[vvo]

Allright no prob