ldapp | A JavaScript Linked Data stack/stub | Runtime Evironment library
kandi X-RAY | ldapp Summary
kandi X-RAY | ldapp Summary
A JavaScript Linked Data stack/stub. The ISWC 2014 paper LDApp - A JavaScript Linked Data Stack is a good starting point to get an overview.
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QUESTION
I am trying to get this github project to work. The instructions for the same are
- install using npm
npm install boomerang-server
- change folder
cd node_modules/boomerang-server
- start boomerang-server using npm
npm start
or nodenode ldapp.js
After executing the last step, I get Cannot read property 'graph' of undefined
. How can I fix it? I'am still learning nodejs.
ANSWER
Answered 2017-Oct-22 at 18:59The error is saying cannot find property graph
of undefined, which means, somewhere in the code, there is something.graph
being referred to but something
is undefined. The error is saying there is no graph
because the object that is supposed to have it is undefined.
This project is 3 years old, so if you are not running versions from that time period, you could definitely be experiencing a breaking change. I looked in the package.json
file, and it looks like all the libraries are locked to older versions, but you could still have a newer version of node
or your database or something like that could be causing the problem in code that should work.
I searched the code and found this file here that contains some instances of
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Vulnerabilities
No vulnerabilities reported
Install ldapp
change folder cd node_modules/ldapp
start LDApp using npm npm start or node node ldapp.js
clone git repository git clone https://github.com/bergos/ldapp.git
change to LDApp folder cd ldapp
install dependencies and run build script using npm npm install
start LDApp using npm npm start or node node ldapp.js
import the WebID PKCS12 certificate/key (data/webid.p12) in your browser (password test)
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