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Change By:
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J Knurek
(04/Feb/15 5:59 PM)
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Summary:
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slaves not connecting
slave-agent.jnlp provides unclear error when failing to connect
through https
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Description:
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The EC2 plugin was working fine until we configured the jenkins master to use https.
Now, when the slave server starts up and tries to connect to master
, it's getting these errors
:
bq.wget http://build.server.com/ci/jnlpJars/slave.jar -O slave.jar
{code}
--2015-02-03 21:22:54-- http://build.server.com/ci/jnlpJars/slave.jar
Resolving build.server.com (build.server.com)... 10.60.143.48
Connecting to build.server.com (build.server.com)|10.60.143.48|:80... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://build.server.com/ci/jnlpJars/slave.jar [following]
--2015-02-03 21:22:55-- https://build.server.com/ci/jnlpJars/slave.jar
Connecting to build.server.com (build.server.com)|10.60.143.48|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 439751 (429K) [application/java-archive]
Saving to: `slave.jar'
0% [ ] 0 --.-K/s
100%[======================================>] 439,751 --.-K/s in 0.1s
2015-02-03 21:22:56 (4.29 MB/s) - `slave.jar' saved [439751/439751]
{code}
it's getting these errors:
bq.java -jar slave.jar -jnlpUrl http://build.server.com/ci/computer/153412c7-b1df-43ec-a5bc-16cf53a14a19/slave-agent.jnlp
{code}
[Fatal Error] slave-agent.jnlp:6:3: The element type "hr" must be terminated by the matching end-tag "</hr>".
Failing to obtain http://build.server.com/ci/computer/153412c7-b1df-43ec-a5bc-16cf53a14a19/slave-agent.jnlp
java.io.IOException: http://build.server.com/ci/computer/153412c7-b1df-43ec-a5bc-16cf53a14a19/slave-agent.jnlp doesn't look like a JNLP file; content type was text/html
at hudson.remoting.Launcher.parseJnlpArguments(Launcher.java:304)
at hudson.remoting.Launcher.run(Launcher.java:219)
at hudson.remoting.Launcher.main(Launcher.java:192)
Waiting 10 seconds before retry
{code}
This is the nginx proxy redirect configuration:
{code}
server {
listen 80;
server_name build.server.com;
return 302 https://$server_name$request_uri;
}
server {
listen 443 ssl;
ssl_certificate ....
location / {
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_redirect http://127.0.0.1:8881 https://build.server.com;
proxy_pass http://127.0.0.1:8881;
}
}
{code}
It would seem that the problem is in the proxy redirect, because 169.254.169.254/latest/user-data is returning
{{
http
}}
, and that is what the slave-agent ends up using. But the error message
of `{{The element type "hr" must be terminated}}`
is of no help.
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Priority:
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Major
Minor
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