rubygems dbmaster chef error

chef.log

** [out :: 33.33.33.12] [2013-02-25T03:27:13+00:00] INFO: Processing service[postgresql] action restart (postgresql::server line 115)
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 ** [out :: 33.33.33.12] Error executing action `restart` on resource 'service[postgresql]'
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 ** [out :: 33.33.33.12] Mixlib::ShellOut::ShellCommandFailed
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 ** [out :: 33.33.33.12] ------------------------------------
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 ** [out :: 33.33.33.12] Expected process to exit with [0], but received '1'
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 ** [out :: 33.33.33.12] ---- Begin output of /etc/init.d/postgresql restart ----
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 ** [out :: 33.33.33.12] STDOUT: * Restarting PostgreSQL 9.2 database server
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 ** [out :: 33.33.33.12] * Error: pid file is invalid, please manually kill the stale server process.
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 ** [out :: 33.33.33.12] ...fail!
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 ** [out :: 33.33.33.12] STDERR:
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 ** [out :: 33.33.33.12] ---- End output of /etc/init.d/postgresql restart ----
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 ** [out :: 33.33.33.12] Ran /etc/init.d/postgresql restart returned 1
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 ** [out :: 33.33.33.12] Resource Declaration:
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 ** [out :: 33.33.33.12] # In /home/vagrant/chef/cookbooks/postgresql/recipes/server.rb
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 ** [out :: 33.33.33.12] 115: service "postgresql" do
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 ** [out :: 33.33.33.12] 116:   supports :restart => true
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 ** [out :: 33.33.33.12] 117:   action [:enable, :start]
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 ** [out :: 33.33.33.12] 118: end
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 ** [out :: 33.33.33.12] Compiled Resource:
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 ** [out :: 33.33.33.12] ------------------
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 ** [out :: 33.33.33.12] # Declared in /home/vagrant/chef/cookbooks/postgresql/recipes/server.rb:115:in `from_file'
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 ** [out :: 33.33.33.12] service("postgresql") do
 ** [out :: 33.33.33.12] action [:enable, :start]
 ** [out :: 33.33.33.12] supports {:restart=>true}
 ** [out :: 33.33.33.12] retries 0
 ** [out :: 33.33.33.12] retry_delay 2
 ** [out :: 33.33.33.12] service_name "postgresql"
 ** [out :: 33.33.33.12] enabled true
 ** [out :: 33.33.33.12] running true
 ** [out :: 33.33.33.12] pattern "postgresql"
 ** [out :: 33.33.33.12] startup_type :automatic
 ** [out :: 33.33.33.12] cookbook_name :postgresql
 ** [out :: 33.33.33.12] recipe_name "server"
 ** [out :: 33.33.33.12] end
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 ** [out :: 33.33.33.12] [2013-02-25T03:27:13+00:00] ERROR: Running exception handlers
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 ** [out :: 33.33.33.12] [2013-02-25T03:27:13+00:00] ERROR: Exception handlers complete
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 ** [out :: 33.33.33.12] [2013-02-25T03:27:13+00:00] FATAL: Stacktrace dumped to /home/vagrant/chef/chef-stacktrace.out
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 ** [out :: 33.33.33.12] [2013-02-25T03:27:13+00:00] FATAL: Mixlib::ShellOut::ShellCommandFailed: service[postgresql] (postgresql::server line 115) had an error: Mixlib::ShellOut::ShellCommandFailed: Expected process to exit with [0], but received '1'
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 ** [out :: 33.33.33.12] ---- Begin output of /etc/init.d/postgresql restart ----
 ** [out :: 33.33.33.12] 
 ** [out :: 33.33.33.12] STDOUT: * Restarting PostgreSQL 9.2 database server
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 ** [out :: 33.33.33.12] * Error: pid file is invalid, please manually kill the stale server process.
 ** [out :: 33.33.33.12] 
 ** [out :: 33.33.33.12] ...fail!
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 ** [out :: 33.33.33.12] STDERR:
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 ** [out :: 33.33.33.12] ---- End output of /etc/init.d/postgresql restart ----
 ** [out :: 33.33.33.12] 
 ** [out :: 33.33.33.12] Ran /etc/init.d/postgresql restart returned 1
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