NPM 404 for some hosted packages

[Daniel Koch]

Hi everybody,

I "accidentally" created a JIRA issue for my problem: https://issues.sonatype.org/browse/NEXUS-18744

The problem is described there. Peter Lynch already commented some first thoughts on it.

I'm not quite sure if this is a problem with the Apache Proxy neither with Nexus permissions.

In general I can install NPM packages proxied by https://www.npmjs.org (remote: https://registry.npmjs.org) but not this one: unicode-match-property-ecmascript (maybe more).

I can also not browse/find the package in my Nexus. It looks like the synchronization of the NPM packages is not complete.

Any more ideas on that?

[msu...@sonatype.com]

Hi Daniel,

As Peter had suggested, have you tried the following?

• trying hitting Nexus proxy repository URL directly instead of the going through the reverse proxy
  

Regards,

Mahendra

[Daniel Koch]

Hi Mahendra,

yes. Same result.

And this makes sense for me because the package is not there. It seems the NPM proxy is not fully in-sync/complete.

Daniel

[Peter Lynch]

Use silly npm log levels ( -ddd ) while accessing the npm proxy repository URL combined with some additional logging inside Nexus:

1. Click the Invalidate Cache on the npm proxy repo inside the repo config screen

2. Go to Adminisitration -> Support -> Logging. Change the logger org.sonatype.nexus.httpclient.outbound  level to DEBUG

3. Example: npm install -ddd --registry http://localhost:8081/repository/npm-proxy unicode-match-property-ecmascript@latest

Examine the nexus.log messages and the silly npm client log messages closely and you will find your answer.

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[Daniel Koch]

Did it. But nothing helpful in the logs (at least for me). Still get 404 for the mentioned package. And the package is not in my Nexus (I searched with the UI with admin rights).

Is there a way to re-trigger the npm proxy sync?

I tried to set the cache times to -1 or 0.

[msu...@sonatype.com]

Hi Daniel,

Take a look at the org.sonatype.nexus.httpclient.outbound debug output (in the nexus.log) for the request for  unicode-match-property-ecmascript is made and see what the http response code is returned. It most likely the case that requests to https://registry.npmjs.org is blocked by some firewall/proxy. If you have configured Nexus to use a http proxy for outbound connections, then check the access logs of the http proxy for requests to https://registry.npmjs.org and unicode-match-property-ecmascript.

Regards,

Mahendra

[Daniel Koch]

Hi Mahendra,

thanks for your respond and your hint with the firewall/proxy.

I double checked everything, especially the logs from the webserver/proxy.

It turns out that some requests where blocked by an WAF. I added a rule for such calls and now it works!

Thank you all!

Best,

Daniel