observations of facts

While signing a release tar.gz with gpg key, I got into this weird issue. After digging the internet I finally got the solution. Here is the error that I got and below is the solution to this issue.  [user@host tar]$ gpg --armor --output something.tar.gz.asc --detach-sig something- .tar.gz You need a passphrase to unlock the secret key for user: "user (somthing) " 4096-bit RSA key, ID 654321, created 2012-06-22 can't connect to `/home/user/.gnupg/S.gpg-agent': No such file or directory gpg-agent[7582]: command get_passphrase failed: Operation cancelled gpg: cancelled by user gpg: no default secret key: General error gpg: signing failed: General error Initially I thought I didn't start the gpg-agent [user@host tar]$      eval $(gpg-agent --daemon) I started the gpg-agent with the above eval [user@host tar]$ gpg --armor --output something.tar.gz.asc --detach-sig something- .tar.gz You need a passphrase to unlock the secret key for user: "

I was dealing with this YarnRuntimeException recently and thought it might be useful for folks who encounter this situation.   Both Namenode and Datanode is up and running and it was time to start the yarn daemons. ResourceManager came up just fine while the nodemanager stalled with the following exception.  " 2014-04-19 03:46:37,595 INFO org.apache.hadoop.service.AbstractService: Service org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService failed in state INITED; cause: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Failed to initialize LocalizationService org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Failed to initialize LocalizationService         at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.serviceInit(ResourceLocalizationService.java:234)         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)         at org.apache.hadoop.