NPE because HTTP request initialized before setting URL about google-auth-library-java

[aozarov]

/cc @aozarov

[anthmgoogle]

A fix for this has been merged into google-auth-library-java by @pongad.

@ajkannan, @aozarov can you verify that it fixes the problem?

1. Clone https://github.com/google/google-auth-library-java
2. Run "mvn clean install" on the clone.
3. Update your usage locally to use "0.4.0-SNAPSHOT".
4. Run the original scenario to verify that it is fixed.

Once this is verified, we will either release a new version or patch the existing one.

[aozarov]

@ajkannan do you mind to verify it. I am pretty confident the fix is going to work.

[ajkannan]

Sure, taking a look now.

[ajkannan]

@anthmgoogle @aozarov The NPE issue is indeed fixed. I am however running into some issues using authentication from App Engine. When I’m authenticated with Google Cloud SDK and I try running my app on the dev app server (a local mock of production), I get an error message saying “The Application Default Credentials are not available” because I’m not running on Compute Engine and because I don’t have the GOOGLE_APPLICATION_CREDENTIALS environment variable set. I thought according to this documentation that the SDK credentials were supposed to be used first, before looking for App Engine credentials? I’m also having an issue in production with App Engine where I get the same error message as on the local development server (“The Application Default Credentials are not available”).

Authentication is working fine from Compute Engine and when using Google Cloud SDK on my desktop without App Engine.

[anthmgoogle]

Thanks for confirming the issue is fixed. Let's keep this issue open
tracking getting the fix available in a release.

Can you start a new issue or issues about the App Engine problem or
problems?

On Tue, Nov 17, 2015 at 11:17 AM, Ajay Kannan [email protected]
wrote:

@anthmgoogle https://github.com/anthmgoogle @aozarov
https://github.com/aozarov The NPE issue is indeed fixed. I am however
running into some issues using authentication from App Engine. When I’m
authenticated with Google Cloud SDK and I try running my app on the dev app
server (a local mock of production), I get an error message saying “The
Application Default Credentials are not available” because I’m not running
on Compute Engine and because I don’t have the
GOOGLE_APPLICATION_CREDENTIALS environment variable set. I thought
according to this documentation
https://developers.google.com/identity/protocols/application-default-credentials
that the SDK credentials were supposed to be used first, before looking for
App Engine credentials? I’m also having an issue in production with App
Engine where I get the same error message as on the local development
server (“The Application Default Credentials are not available”).

Authentication is working fine from Compute Engine and when using Google
Cloud SDK on my desktop without App Engine.

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#43 (comment)
.

[ajkannan]

Sure thing, will do.

[pongad]

This bug should be fixed by v0.3.1 . Could you verify?

[ajkannan]

Yup, I've verified that the bug is fixed by v0.3.1.