Re: Not able to run after fresh installation on AWS EC2 - Error Unable to set localhost.

[kumar....@gmail.com]

On Sunday, October 23, 2016 at 12:03:05 AM UTC+5:30, kumar....@gmail.com wrote:
> Hi,
> I have used AWS EC2 to install killbill. The EC2 instance has two IP address:
>
> Private IP : 10.0.0.131
> Public IP: 54.146.163.111
>
> The installation was successful. But when I try to run, I get the error that it is unable to set the local host on private IP. I am posting the error message below. I'll appreciate if you can give mt any clue.
>
>
> 2016-10-22T17:19:58,371+0000 lvl='ERROR', log='Cache', th='localhost-startStop-1', xff='', rId='', aRId='', tRId='', Unable to set localhost. This prevents creation of a GUID. Cause was: ip-10-0-0-131: ip-10-0-0-131: Name or service not known
> java.net.UnknownHostException: ip-10-0-0-131: ip-10-0-0-131: Name or service not known
> at java.net.InetAddress.getLocalHost(InetAddress.java:1496)
> at net.sf.ehcache.Cache.<clinit>(Cache.java:222)
> at net.sf.ehcache.config.ConfigurationHelper.createCache(ConfigurationHelper.java:305)
> at net.sf.ehcache.config.ConfigurationHelper.createDefaultCache(ConfigurationHelper.java:223)
> at net.sf.ehcache.CacheManager.configure(CacheManager.java:796)
> at net.sf.ehcache.CacheManager.doInit(CacheManager.java:471)
> at net.sf.ehcache.CacheManager.init(CacheManager.java:395)
> at net.sf.ehcache.CacheManager.<init>(CacheManager.java:270)
> at net.sf.ehcache.CacheManager.newInstance(CacheManager.java:1116)
> at net.sf.ehcache.CacheManager.newInstance(CacheManager.java:1060)
> at net.sf.ehcache.CacheManager.create(CacheManager.java:1035)
> at org.killbill.billing.util.cache.EhCacheCacheManagerProvider.get(EhCacheCacheManagerProvider.java:91)
> at org.killbill.billing.util.cache.EhCacheCacheManagerProvider.get(EhCacheCacheManagerProvider.java:43)
> at com.google.inject.internal.BoundProviderFactory.get(BoundProviderFactory.java:55)
> at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
> at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
> at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
> at com.google.inject.Scopes$1$1.get(Scopes.java:65)
> at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
> at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:38)
> at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:62)
> at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:84)
> at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
> at com.google.inject.internal.BoundProviderFactory.get(BoundProviderFactory.java:53)
> at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
> at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
> at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
> at com.google.inject.Scopes$1$1.get(Scopes.java:65)
> at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
> at com.google.inject.internal.SingleParameterInjector.inject(SingleParameterInjector.java:38)
> at com.google.inject.internal.SingleParameterInjector.getAll(SingleParameterInjector.java:62)
> at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:84)
> at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
> at com.google.inject.internal.FactoryProxy.get(FactoryProxy.java:54)
>
> Regards
>
> Prakash Kumar

[kumar....@gmail.com]

I managed to fix that. It was because the way AWS sets the 'hostname' for EC2 instances.

After changing the hostname and associating 127.0.0.1 as IP address, it started working. One follow the instructions here:

http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/set-hostname.html