28 Jan
2016
28 Jan
'16
6:23 p.m.
Hi Clemens
On 01/28/2016 03:25 PM, Clemens Klein-Robbenhaar wrote:
[...]
The application server doesn't use any proxy settings: I haven't set any
and I doubt that they are configured by default :-). However I'm
currently trying to find out, if our network has any limitations
regarding outgoing network traffic
[...]
2016-01-28 13:36:53,762 [Active Installs Ping Thread] WARN a.i.c.ActiveInstallsPingThread
- Failed to send Active Installation ping to [http://extensions.xwiki.org/activeinstalls].
Error = [ConnectException: Connection timed out]. Will retry in [86400] seconds...
[...]
I don't know what an "Active Installation ping" is, but in fact while I
seem to be able to access this webpage:
$ curl http://extensions.xwiki.org/activeinstalls
{
"status" : 200,
"name" : "Bobster",
"version" : {
"number" : "1.1.1",
"build_hash" : "f1585f096d3f3985e73456debdc1a0745f512bbc",
"build_timestamp" : "2014-04-16T14:27:12Z",
"build_snapshot" : false,
"lucene_version" : "4.7"
},
"tagline" : "You Know, for Search"
}
$
I cannot `ping` it:
$ ping extensions.xwiki.org
PING www.xwiki.org (104.31.71.57) 56(84) bytes of data.
^C
--- www.xwiki.org ping statistics ---
76 packets transmitted, 0 received, 100% packet loss, time 75445ms
$
Does the Distribution Manager execute a real "ping" command even though the
webpages are accessible? And if yes, how can I avoid this? I doubt that our networking
dept. will adapt any gateway configuration to to make a single software installation
possible :-}
No, there is no ping or such; well, it relies on the library: "HTTP
Components": https://hc.apache.org/ to do the job.
I have to admit that I do not know exactly if this library does or does not send a ping
first, but I do not think it does.
Even if it were so, it is not the case of the problem, as I cannot ping
extensions.xwiki.org either, and install works from here.
The "timeout" error message seems to indicate that the connection never gets an
error but is simply dropped somewhere.
I do not think extensions.xwiki.org drops the connection - as you can get there via curl
...
Any chance the application server uses some proxy settings, as described at the following
link, but they happen to be incorrect?
http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Installation#HRunningXW…
That might explain the timeout despite the server being able to reach the installation
repositories normally (i.e. via curl). I have to admit that if it is not the proxy-settings
then I am getting somewhat desperate about how to diagnose the problem.
I guess one could try to get stack traces from the server while it is starting up
and use the java option "-Djavax.net.debug=all" (dumps lots of stuff to the
standard output) to see if it tries to open connections to extensions.xwiki.org
but I guess all one can get from that is that the server opens connections and then it
waits till timeout ...
I've done this through setting the environment variable $JAVA_OPTS to
"-Djavax.net.debug=all" prior to running $tomcat_home/bin/catalina.sh.
Is that the right place? I also set the following loggin levels in
$tomcat_home/conf/logging.properties:
java.util.logging.ConsoleHandler.level = FINEST
1catalina.org.apache.juli.AsyncFileHandler.level = FINEST
and -Djavax.net.debug=all to $tomcat_home/bin/setenv.sh
#!/bin/sh
export JAVA_OPTS="${JAVA_OPTS} -Djava.awt.headless=true
-Djavax.net.debug=all"
Other than providing "hundreds" of "adding as trusted cert:"
notifications in logs/catalina.out it doesn't provide any additional
information. Or that's not the right place to raise the verbosity level
of the Apache HttpComponents library.
If you just want to get the server running with a
proper UI anyway, I have written up a little HowTo :
http://platform.xwiki.org/xwiki/bin/view/AdminGuide/FillLocalMavenRepository
To use it, one needs to install + configure maven, however ...
I am still using maven 3.0.4 from
http://archive.apache.org/dist/maven/maven-3/3.0.4/binaries/apache-maven-3.…
but to just donwload the UI-packages any version of 3.x should "just work".
I'll have a look at this.
frank