How to avoid OCIError in rails application?
- by qichunren
OCIError (ORA-12541: TNS:no listener):
oci8.c:270:in oci8lib.so
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb:223:in new'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb:223:innew_connection'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb:328:in initialize'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb:24:innew'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_oci_connection.rb:24:in initialize'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_connection.rb:9:innew'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_connection.rb:9:in create'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-oracle_enhanced-adapter-1.2.4/lib/active_record/connection_adapters/oracle_enhanced_adapter.rb:50:inoracle_enhanced_connection'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:291:in send'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:291:inconnection='
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:259:in retrieve_connection'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:inconnection'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb:1063:in table_exists?'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb:1153:ininspect'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/class/inheritable_attributes.rb:131:in to_proc'
/usr/local/ruby-1.8.7-p248/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:426:incollect'
It seems that rails app lost oracle connection,how to avoid this in application controller:
def rescue_action_in_public(exception)
I use
def rescue_action_in_public(exception)
case exception.class.to_s
when "OCIError"
# my solution
end
It still throw me 500.html