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I am attempting to write a fairly simple nodejs program that needs to clone a git repo.

var shell = require('shelljs'); shell.exec('git clone http://mybitbuck.et/scm/myproject/myrepo.git');

Throws an error as follows, and then seems to hang without exiting forever:

fatal: NullReferenceException encountered. Object reference not set to an instance of an object.

There is no additional output or stack trace, not even a line number. What is going on, and how can I get it working, or at least get more information about what is happening and why?

I know I could use nodegit or similar instead of using the shell but I think I would benefit from understanding what is happening here HOW to address situations where output is so sparse.

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    I couldn't reproduce this in my machine. Actually got Cloning into 'myrepo'... fatal: unable to access 'http://mybitbuck.et/scm/myproject/myrepo.git/': Could not resolve host: mybitbuck.et Commented Jan 2, 2019 at 21:00
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    I didn't put my actual bitbucket hostname in the code sample, for probably-obvious reasons. :) Commented Jan 3, 2019 at 16:46
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    I think the comment of @Meg is one of the bests I've seen here ^^ Commented Jan 4, 2019 at 13:47
  • I was just pointing out I didn't get the error, thought it may have happened before the obvious not found. Commented Jan 4, 2019 at 22:41

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I solved this. It is related to the version of git for windows (2.19.1) that I was running, and updating to the newest version removed the error.

I eventually found the right search term combination that lead me to this bug: https://github.com/git-for-windows/git/issues/1868

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