Convert throws "I/O error opening Json TOC URL" about spdx-java-library HOT 7 CLOSED

Can this by due to the system proxy not being support? If so, would it maybe make sense to add proxy support e.g. via https://github.com/MarkusBernhardt/proxy-vole?

Short answer is yes.

The code responsible generating this error is in the Spdx-Java-Library ListedLicenses.java file.

If the License List data is not accessible via the internet, it will fall back to a local cache of the license list which may or may not be up to date. So, the code should still work even if this error is generated. You should see a warning following the error that the local cache is being used. If you don't see the warning, then there is an additional issue we should fix.

It would definitely be an improvement to have the library automatically detect and use network proxy settings.

@sschuberth Feel free to create a PR - otherwise, I can add this to my list of todo items for a future release.

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Transferring the issue to the SPDX library.

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You should see a warning following the error that the local cache is being used. If you don't see the warning, then there is an additional issue we should fix.

I didn't see such a warning, and also no mention of success, which is why I didn't even bother to look for an output file... but now that I did, I see that the YAML output was indeed generated!

@sschuberth Feel free to create a PR

I wanted to, but I had trouble getting the project to build in IntelliJ IDEA. For some reason quite a few dependencies could not be found.

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I didn't see such a warning, and also no mention of success, which is why I didn't even bother to look for an output file... but now that I did, I see that the YAML output was indeed generated!

Definitely a different issue. Maybe a classpath issue getting access to the resources files?

I do test this scenario on my local dev environment by running the unit tests disconnected from the internet - but I recall problems in the past which are classpath related.

I wanted to, but I had trouble getting the project to build in IntelliJ IDEA. For some reason quite a few dependencies could not be found.

Interesting - You might try just the Java library and see if that builds. Much much less dependencies. I use Eclipse myself for the SPDX projects.

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@sschuberth I'm working on a new release and started looking at using proxy-vole. I'm concerned about the number of dependencies this library will bring in, especially delight-nashorn-sandbox.

I'll work on updating the logging so the messages are a bit more accurate, but at this point I'm thinking we don't add proxy support unless we can find a lighter weight dependency. BTW - the number one concern I've heard from the previous version of the Java libraries is the large number of dependencies which are now moved to a separate project - tools-Java, so you can include the library without all the baggage.

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especially delight-nashorn-sandbox.

Yeah, that's probably for PAC file paring, which is might be overkill anyway.

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I updated the error message to be more descriptive in PR #88

Unable to access the most current listed licenses from https://spdx.org/licenses - using locally cached licenses: [cause]

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