Actually the hostname might be an issue if you have several network card.
Can you try to use the computer IP? Or '0.0.0.0' for the launcher if that
work?

Otherwise I did not spotted any issue in your config.

On Wed, Aug 24, 2016 at 11:14 AM, Daniel Zuidinga <[email protected]> wrote:

> - apache 2.4.12
> - modules are enabled
> - launcher.py launches without error, resrouces and apps section are in
> the config file as described in the documentation
> are all ports and hostnames right in my configuration files? apache is
> localhost and paraview also
>
>
> Am 24.08.2016 um 16:22 schrieb Sebastien Jourdain:
>
> Hi Daniel,
>
> Which version of Apache are you running?
>
> Did you enabled all the modules?
>
> $ sudo a2enmod vhost_alias
> $ sudo a2enmod proxy
> $ sudo a2enmod proxy_http
> $ sudo a2enmod proxy_wstunnel
> $ sudo a2enmod rewrite
>
>
> For the launcher configuration, do you have a proper "resources" and
> "apps" section?
>
> I'm guessing you are looking at the following documentation pages?
>
> - https://kitware.github.io/paraviewweb/docs/guides/apache_front_end.html
> - https://kitware.github.io/paraviewweb/docs/guides/python_launcher.html
>
> Once you have the forwarding of the launcher request working, the next
> part will be the forwarding of the ws. But we can talk about it when and if
> you run into issue about it.
>
> Seb
>
> On Wed, Aug 24, 2016 at 2:22 AM, Daniel Zuidinga <[email protected]>
> wrote:
>
>> I tried to run the launcher as described in the docs. But I am still
>> getting errors when running http://localhost/apps/Visualizer/
>>
>> Firefox console:
>>
>> -------------------------------
>>
>> 1. when setting sessionManagerURL in html set to
>> vtkWeb.properties.sessionManagerURL:
>>
>> POST
>> XHR
>> http://localhost/paraview/ [HTTP/1.1 503 Service Unavailable 48ms]
>> Object { error: "The process did not properly start.…" } Visualizer:42:13
>>
>>
>> 2. when setting sessionManagerURL in html to
>> http://localhost:8080/paraview:
>>
>> Firefox can't establish a connection to the server at ws://localhost/ws.
>> autobahn.min.js:114:0
>> null Visualizer:42:13
>> No launcher found.  Attempting to connect using the direct WS url.
>> vtkweb-all.js:4456:19
>> Use of getPreventDefault() is deprecated.  Use defaultPrevented instead.
>> jquery-1.8.3.min.js:2:0
>> Cross-Origin Request Blocked: The Same Origin Policy disallows reading
>> the remote resource at http://localhost:8080/paraview. (Reason: CORS
>> header 'Access-Control-Allow-Origin' missing). <unknown>
>> GET
>> http://localhost/ws [HTTP/1.1 404 Not Found 12ms]
>> null
>>
>>
>> So the launcher can't start the pv webserver? But running
>> http://localhost:8080/paraview/1 in browser works but says: {"error":
>> "No session with id: 1"}
>>
>>
>> My apache config:
>>
>> -----------------------------
>>
>> <VirtualHost *:80>
>>     ServerName localhost
>>     ServerAdmin [email protected]
>>     DocumentRoot /home/daniel/salome_meca/V2016
>> /prerequisites/Paraview-v501_EDF/share/paraview-5.0/www
>>     ErrorLog "logs/pv-error_log"
>>     CustomLog "logs/pv-access_log" common
>>     ### The following commented lines could be useful when running
>>     ### over https and wss:
>>     # SSLEngine On
>>     # SSLCertificateFile    /etc/apache2/ssl/your_certificate.crt
>>     # SSLCertificateKeyFile /etc/apache2/ssl/your_domain_key.key
>>     # SSLCertificateChainFile /etc/apache2/ssl/DigiCertCA.crt
>>     #
>>     # <Location ${MY-DOCUMENT-ROOT} >
>>     #   SSLRequireSSL On
>>     #   SSLVerifyClient optional
>>     #   SSLVerifyDepth 1
>>     #   SSLOptions +StdEnvVars +StrictRequire
>>     # </Location>
>>     # Have Apache pass these requests to the launcher :9000
>>     ProxyPass /paraview http://localhost:8080/paraview
>>     # Turn on the rewrite engine
>>     RewriteEngine On
>>     # This is the path the mapping file Jetty creates
>>     RewriteMap session-to-port txt:/home/daniel/proxy.txt
>>     # This is the rewrite condition. Look for anything with a sessionId=
>> in the query part of the URL and capture the value to use below.
>>     RewriteCond %{QUERY_STRING}     ^sessionId=(.*)$ [NC]
>>     # This does the rewrite using the mapping file and the sessionId
>>     RewriteRule    ^/proxy.*$  ws://${session-to-port:%1}/ws  [P]
>>     <Directory "/home/daniel/salome_meca/V201
>> 6/prerequisites/Paraview-v501_EDF/share/paraview-5.0/www">
>>         Options Indexes FollowSymLinks
>>         Order allow,deny
>>         Allow from all
>>         AllowOverride None
>>         Require all granted
>>     </Directory>
>> </VirtualHost>
>>
>>
>>
>> my launcher.json
>>
>> ----------------------------
>>
>>  "configuration": {
>>             "host" : "localhost",
>>
>>             "port" : 8080,
>>             "endpoint": "paraview",
>>             "content": "/.../www",
>>             "proxy_file" : "/home/daniel/proxy.txt",
>>                "sessionURL": "ws://localhost/proxy?sessionId=${id}",
>>
>>             "timeout" : 25,
>>             "log_dir" : "/home/daniel",
>>             "upload_dir" : "/home/daniel",
>>             "fields" : ["file", "host", "port", "updir"]
>>         },
>>
>>
>> What am I doing wrong?
>>
>>
>> Daniel Zuidinga
>> Dipl.-Ing.
>>
>> SEO Aachen
>> Passstr. 5
>> 52070 Aachen
>>
>> Tel   : 0241 / 450 912 67
>> E-Mail: [email protected]
>> Web   : http://www.seoaachen.de (nur zum Teil aktuell)
>> Xing  : https://www.xing.com/profile/Daniel_Zuidinga
>>
>> Bald online: Software Tools für Konstrukteure und 
>> Bauteilherstellerhttp://www.engineeringonline.de
>>
>> Am 22.08.2016 um 22:32 schrieb Sebastien Jourdain:
>>
>> Hi Daniel,
>>
>>> I want to use paraview web with SSL. As far as I understand I need
>>> apache as a proxy server for that? Or is it possible with pvpython?
>>
>> It might be possible with pvpython, but I've never done it, I've always
>> used apache to rely on a single opened port and handle the encryption.
>>
>>
>>> I have my own launcher which opens pvpython with a different port for
>>> each user. Is this the right way? Will this work with ssl?
>>
>> If pvpython directly support the wss connection, you can be good. Usually
>> the setup, that I do is that I have Apache serving only the port 443
>> (https) for both the static content and the (wss) websocket endpoint. And I
>> use a mapping file between the Websocket endpoint that get returned by my
>> launcher and the host/port I should connect to on the backend to establish
>> the link between the client and the actual ParaViewWeb server instance.
>> But that does not mean, that's the only way to do it and if you don't
>> mind having several port open, I don't see why it could not work.
>>
>>
>>> Concerning: https://kitware.github.io/visualizer/docs/ The web
>>> visuailzer should work via npm installation? It does not work for me:
>>> C:\Users\danie\AppData\Roaming\npm\node_modules\pvw-visualiz
>>> er\bin\pvw-visualizer-cli.js:41 var pvPythonExecs =
>>> find(paraview).filter(function(file) { return file.match(/pvpython$/)
>>> || file.match(/pvpython.exe$/); });                                    ^
>>> TypeError: find(...).filter is not a function     at Object.<anonymous>
>>> (C:\Users\danie\AppData\Roaming\npm\node_modules\pvw-visuali
>>> zer\bin\pvw-visualizer-cli.js:41:36)     at Module._compile
>>> (module.js:409:26)     at Object.Module._extensions..js (module.js:416:10)
>>>     at Module.load (module.js:343:32)     at Function.Module._load
>>> (module.js:300:12)     at Function.Module.runMain (module.js:441:10)     at
>>> startup (node.js:139:18)     at node.js:968:3
>>
>> Well, I guess I haven't tried to run the new Visualizer server on a
>> Windows machine.
>> But with ParaView 5.2 (yet to be released), we should have a ParaViewWeb
>> back in the binaries. So we should make sure our Visualizer command line
>> tool work on that platform as well.
>> Although, the command line is more for beginners than anything else as it
>> only simplify the demo usage. In real word deployment, with a launcher, the
>> true pvpython command line should be used instead.
>> Here is an example of what you should see in a working environment:
>> $ Visualizer -d ~/Downloads/
>> ============================================================
>> ===================
>> | Execute:
>> | $ /Applications/paraview.app/Contents/bin/pvpython
>> |   -dr
>> |   /Users/seb/Documents/code/Web2/visualizer/server/pvw-visualizer.py
>> |   --content
>> |   /Users/seb/Documents/code/Web2/visualizer/dist
>> |   --port
>> |   8080
>> |   --data
>> |   /Users/seb/Downloads/
>> ============================================================
>> ===================
>> [...]
>> -- Daniel Zuidinga Dipl.-Ing. SEO Aachen Passstr. 5 52070 Aachen Tel   :
>> 0241 / 450 912 67 E-Mail: [email protected] Web   :
>> http://www.seoaachen.de (nur zum Teil aktuell) Xing  :
>> https://www.xing.com/profile/Daniel_Zuidinga Bald online: Software Tools
>> für Konstrukteure und Bauteilhersteller http://www.engineeringonline.de
>> _______________________________________________ Powered by
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