Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Error in remote readFile: Uncaught TypeError: Cannot read property 'update' of null

See original GitHub issue

My setup.

Two chrome based browsers (1. Ubuntu 18.04.5, 2. Win10)

A website that loads browserified hyper-sdk (from this repo)

A Node server running hyperswarm-web proxy and signal servers (used by hyper-sdk)

I can set up and read small text snippets:

e.g. Computer 1:

let hypersdk = await window.hyperSDK({swarmOpts:{preferredPort:42420,wsProxy:'wss:/my.url/proxy'}}
let c1Drive = await hypersdk.Hyperdrive('c1Drive')
await myDrive.writeFile('test','This is some text')
await myDrive.writeFile('blob',<1.3MB base64 encoded data (as string)>)

Computer 2:

let hypersdk = await window.hyperSDK({swarmOpts:{preferredPort:42420,wsProxy:'wss:/my.url/proxy'}}
let c1Drive = await hypersdk.Hyperdrive("hyper://"+<key of c1Drive>)
let txt = await c1Drive.readFile('test')  // works :-)
let vid = await c1Drive.readFile('blob')  // doesn't work, see error below:

I attempting to read the large file I get the following error, on the console of computer 1.

Uncaught TypeError: Cannot read property 'update' of null
    at XSalsa20.update (hyper-sdk-bundle.js:72718)
    at XORJS.update (hyper-sdk-bundle.js:72686)
    at XOR.encrypt (hyper-sdk-bundle.js:62572)
    at SimpleProtocol._sendNow (hyper-sdk-bundle.js:62330)
    at SimpleProtocol._send (hyper-sdk-bundle.js:62318)
    at SimpleProtocol.data (hyper-sdk-bundle.js:62256)
    at Channel.data (hyper-sdk-bundle.js:33587)
    at onvalue (hyper-sdk-bundle.js:36342)
    at Request._callback (hyper-sdk-bundle.js:37014)
    at Request.callback (hyper-sdk-bundle.js:55488)

I will continue to investigate, but posting here in case anyone can recognise what is going wrong.

Thanks

Issue Analytics

State:
Created 3 years ago
Comments:10 (10 by maintainers)

Top GitHub Comments

1reaction

RangerMauvecommented, Sep 6, 2021

Glad that’s sorted out! 😁 Thank you for the follow up.

0reactions

4c656554commented, Sep 2, 2021

I just re checked this, open the above debug check from links below, if you’d like to verify:

https://ooda.space/hypersdk_debug/hypersdk_debug_A.html

and

https://ooda.space/hypersdk_debug/hypersdk_debug_B.html

The error doesn’t appear, so I’d go ahead and close it - Thank you!

Top Results From Across the Web

Uncaught TypeError: Cannot read property of null - iDiallo

This error occurs when you read a property or call a method on a null object . That's because the DOM API returns...

TypeError: Cannot read properties of undefined (reading 'id')

I got the error "Cannot read properties of undefined (reading 'spec')" when attempting to install a local npm module with npm install [path ......

uncaught typeerror: cannot read properties of null ... - You.com

I am getting an error: Uncaught TypeError: Cannot read properties of null (reading 'querySelector'). At this step the tags input is showing NULL....

Node.js v19.3.0 Documentation

The following, for instance, will throw the TypeError because there is no matching error type in the assertion: import assert from 'node:assert/strict'; ...

TypeError: Cannot read property 'template' of null · Issue #2779

systemctl status uwazi.service. ○ uwazi.service - uwazi backend service for your-instance. Loaded: error (Reason: Invalid argument) Active: ...