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

Galli Vanni vanni.galli at supsi.ch
Tue Dec 7 15:03:54 GMT 2010


Sure!

root at isin09 ~> hostname
isin09

root at isin09 ~> cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1		xenserver-isin00 localhost.localdomain localhost
::1		localhost6.localdomain6 localhost6


Thank you,
Vanni

On Dec 7, 2010, at 3:36 PM, Chris Allan wrote:

> 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
>> 
>> _______________________________________________
>> ome-devel mailing list
>> ome-devel at lists.openmicroscopy.org.uk
>> http://lists.openmicroscopy.org.uk/mailman/listinfo/ome-devel
> 

-- 
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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