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https://issues.apache.org/jira/browse/NETBEANS-5251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17284085#comment-17284085
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Roman Ciloci commented on NETBEANS-5251:
----------------------------------------
I looked through the code a little bit following the stack trace.
Looks like NodeJsDataProvider.java is copying the NodeJS API doc from
[https://nodejs.org/api/] and putting it in the <path_to_cache>/nodejs-doc
folder in the all.json file. It's a big file, ~4MB of API documentation in JSON
format
The file is parsed first time I open NetBeans, looks like.
When parsing the file it seems some (or just one) of the nodes in the all.json
file don't have a "desc" attribute
-----------------
String doc = getJSONStringProperty(jsonObject, DESCRIPTION);
object.setDocumentation(Documentation.create(doc,
getDocumentationURL(propertyName)));
-----------------
And since the description is null hence it throws the NPE exception in
Documentation.java.
I don't have a dev environment set up to be able to debug which exact node
doesn't have a description and the file is too big to scan it visually.
I do have Node.js installed on my machine.
Some questions:
Does NetBeans detect that I have Node installed on my machine and that's why
it's trying to download the API and parse that all.json file ?
Maybe if someone doesn't have Node installed on their machine it doesn't happen
for them since it's not trying to download he Node API documentation ?
> NPE when opening js file
> ------------------------
>
> Key: NETBEANS-5251
> URL: https://issues.apache.org/jira/browse/NETBEANS-5251
> Project: NetBeans
> Issue Type: Bug
> Components: javascript - Editor
> Affects Versions: 12.2
> Environment: Windows 10
> OpenJDK 11
> Reporter: Roman Ciloci
> Priority: Major
> Attachments: IDELog.txt, UILog.txt, testproject.zip
>
>
> # Installed NetBeans 12.2
> # Started NetBeans
> # Go to File -> Open File...
> # Selected a js file to open
> # Got a NullPointerException
>
> Note:
> The file was somewhat big ~3MB. I did get the prompt about the file being too
> large and it could cause memory issues.
> Eventually the file opened and I was able to edit it but I did get the dialog
> about reporting the exception so I'm creating this issue with the information
> from the issue reporting dialog.
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