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better error when proxy command isn't found

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Min RK
2015-03-17 11:46:12 -06:00
parent 665edb6651
commit ce45fde74a
1 changed files with 9 additions and 1 deletions
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10
jupyterhub/app.py
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@@ -732,7 +732,15 @@ class JupyterHub(Application):
cmd.extend(['--ssl-cert', self.ssl_cert]) cmd.extend(['--ssl-cert', self.ssl_cert])
self.log.info("Starting proxy @ %s", self.proxy.public_server.url) self.log.info("Starting proxy @ %s", self.proxy.public_server.url)
self.log.debug("Proxy cmd: %s", cmd) self.log.debug("Proxy cmd: %s", cmd)
self.proxy_process = Popen(cmd, env=env) try:
self.proxy_process = Popen(cmd, env=env)
except FileNotFoundError as e:
self.log.error(
"Failed to find proxy %r\n"
"The proxy can be installed with `npm install -g configurable-http-proxy`"
% self.proxy_cmd
)
self.exit(1)
def _check(): def _check():
status = self.proxy_process.poll() status = self.proxy_process.poll()
if status is not None: if status is not None: