[ome-devel] Blitz-0 localhost error / Django errors

Chris Allan callan at lifesci.dundee.ac.uk
Tue Dec 7 14:36:38 GMT 2010


Hi Vanni,

I suspect you've got something very odd with your hostnames and general name resolution. Could you let us know what the output of the following commands is?

$ hostname
$ cat /etc/hosts

Thanks.

-Chris

On 1 Dec 2010, at 12:19, Galli Vanni wrote:

> Dear All,
> I've just upgraded my OMERO installation to 4.2.1, but it seems something went wrong. Actually, I'm not really able to understand if my installation is working correctly or not.
> 
> 
> I can normally start the OMERO admin:
> 
> omerouser at isin09 /home/OMERO/OMERO.server-Beta-4.2.1/bin> ./omero admin start
> 
> Creating /home/OMERO/OMERO.server-Beta-4.2.1/var/master
> Creating /home/OMERO/OMERO.server-Beta-4.2.1/var/registry
> No descriptor given. Using etc/grid/default.xml
> Waiting on startup. Use CTRL-C to exit
> 
> 
> This seem to work fine (no errors on the console), but if I look at the Blitz-0-log I notice some errors:
> 
> omerouser at isin09 /home/OMERO/OMERO.server-Beta-4.2.1/var/log> tail -500f Blitz-0.log 
> 
> 2010-12-01 12:53:30,641 INFO  [                ome.services.blitz.Entry] (      main) Creating OMERO.blitz. Please wait...
> 2010-12-01 12:53:44,756 INFO  [ng.ShutdownSafeEhcacheManagerFactoryBean] (      main) Initializing EHCache CacheManager
> 2010-12-01 12:53:44,981 ERROR [                    net.sf.ehcache.Cache] (      main) Unable to set localhost. This prevents creation of a GUID. Cause was: isin09: isin09
> java.net.UnknownHostException: isin09: isin09
> 	at java.net.InetAddress.getLocalHost(InetAddress.java:1354)
> 	at net.sf.ehcache.Cache.<clinit>(Cache.java:126)
> 	at net.sf.ehcache.config.ConfigurationHelper.createCache(ConfigurationHelper.java:418)
> 	at net.sf.ehcache.config.ConfigurationHelper.createDefaultCache(ConfigurationHelper.java:334)
> 	at net.sf.ehcache.CacheManager.configure(CacheManager.java:306)
> 	at net.sf.ehcache.CacheManager.init(CacheManager.java:226)
> 	at net.sf.ehcache.CacheManager.<init>(CacheManager.java:213)
> 	at org.springframework.cache.ehcache.EhCacheManagerFactoryBean.afterPropertiesSet(EhCacheManagerFactoryBean.java:115)
> 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1460)
> 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1400)
> 
> 
> What is the meaning of "unable to set localhost"?
> 
> 
> In any case, after this error, OMERO seems correctly working:
> 
> 2010-12-01 12:54:03,748 INFO  [    ome.services.util.ServerVersionCheck] (      main) -------------------------------------------------
> 2010-12-01 12:54:03,748 INFO  [    ome.services.util.ServerVersionCheck] (      main) OMERO Version: Beta4.2.1-r8614-Beta4.2-b41 Ready.
> 2010-12-01 12:54:03,748 INFO  [    ome.services.util.ServerVersionCheck] (      main) -------------------------------------------------
> 
> I'm able to start the django server:
> 
> omerouser at isin09 /home/OMERO/OMERO.server-Beta-4.2.1/bin> ./omero web start
> 
> Starting OMERO.web... Validating models...
> 0 errors found
> 
> Django version 1.1.1, using settings 'omeroweb.settings'
> Development server is running at http://0.0.0.0:4080/
> Quit the server with CONTROL-C.
> 
> 
> But, as soon as a client connects, this message is printed on the console:
> 
> Traceback (most recent call last):
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/servers/basehttp.py", line 279, in run
>     self.result = application(self.environ, self.start_response)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/servers/basehttp.py", line 651, in __call__
>     return self.application(environ, start_response)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/handlers/wsgi.py", line 241, in __call__
>     response = self.get_response(request)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/handlers/base.py", line 73, in get_response
>     response = middleware_method(request)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/middleware/common.py", line 56, in process_request
>     if (not _is_valid_path(request.path_info) and
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/middleware/common.py", line 142, in _is_valid_path
>     urlresolvers.resolve(path)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/urlresolvers.py", line 303, in resolve
>     return get_resolver(urlconf).resolve(path)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/urlresolvers.py", line 218, in resolve
>     sub_match = pattern.resolve(new_path)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/urlresolvers.py", line 216, in resolve
>     for pattern in self.url_patterns:
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/urlresolvers.py", line 245, in _get_url_patterns
>     patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/core/urlresolvers.py", line 240, in _get_urlconf_module
>     self._urlconf_module = import_module(self.urlconf_name)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/django/utils/importlib.py", line 35, in import_module
>     __import__(name)
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/omeroweb/webadmin/urls.py", line 30, in ?
>     from omeroweb.webadmin import views
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/omeroweb/webadmin/views.py", line 71, in ?
>     from webclient.webclient_gateway import OmeroWebGateway
>   File "/home/OMERO/OMERO.server-Beta-4.2.1/lib/python/omeroweb/webclient/webclient_gateway.py", line 36, in ?
>     logger.error("You need to install the Python Imaging Library. Get it at http://www.pythonware.com/products/pil/")
> 
> 
> 
> Can anyone help me?
> 
> Thank you very much for your help!
> 
> Best,
> Vanni
> 
> 
> -- 
> Scuola Universitaria Professionale della Svizzera Italiana
> Dipartimento Tecnologie Innovative
> Istituto Sistemi Informativi e Networking
> 
> Vanni Galli
> Ricercatore
> 
> Galleria 2
> CH - 6928 Manno
> 
> T +41 (0)58 666 65 92
> vanni.galli at supsi.ch
> www.supsi.ch/dti
> 
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