Hello All,

I have a table invitation_workflows.Entry to this table is done via
method send_invite which is called on the click of an Invite button.
When I click on Invite button for the first time,entry gets created in
the invitation_workflows table.
However on subsequent clicks,the following error is shown

***********************************************************************************************************************************
INTERNAL ERROR:Thu Mar 17 17:28:45 +0530 2011 ----------
Client Ip : 127.0.0.1
 User Id : 101346
 Exception : ActiveRecord::ActiveRecordError: ERROR: column "id" does
not exist
  Position: 322: INSERT INTO
"invitation_workflows" ("invitation_workflow_id", "invitor_id",
"invited_whom_id", "invited_for_channel_id", "invite_status",
"created_by", "updated_by", "created_at", "updated_at") VALUES(NULL,
5088, NULL, 21218, 'P', '101346', '101346', '2011-03-17
11:58:45.553000', '2011-03-17 11:58:45.553000') RETURNING "id"
C:/Microblogging_release1.3/vendor/rails/activerecord/lib/
active_record/connection_adapters/abstract_adapter.rb:219:in `log'c:/
jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-jdbc-adapter-0.9.7-
java/lib/active_record/connection_adapters/jdbc_adapter.rb:655:in
`select'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-jdbc-
adapter-0.9.7-java/lib/active_record/connection_adapters/
jdbc_adapter.rb:578:in `select_one'C:/Microblogging_release1.3/vendor/
rails/activerecord/lib/active_record/connection_adapters/abstract/
database_statements.rb:19:in `select_value'c:/jruby-1.5.0/lib/ruby/
gems/1.8/gems/activerecord-jdbc-adapter-0.9.7-java/lib/jdbc_adapter/
jdbc_postgre.rb:252:in `insert'C:/Microblogging_release1.3/vendor/
rails/activerecord/lib/active_record/base.rb:2908:in `create'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
timestamp.rb:53:in `create_with_timestamps'C:/Microblogging_release1.3/
vendor/rails/activerecord/lib/active_record/callbacks.rb:266:in
`create_with_callbacks'C:/Microblogging_release1.3/vendor/rails/
activerecord/lib/active_record/base.rb:2874:in `create_or_update'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
callbacks.rb:250:in `create_or_update_with_callbacks'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
base.rb:2538:in `save'C:/Microblogging_release1.3/vendor/rails/
activerecord/lib/active_record/validations.rb:1078:in
`save_with_validation'C:/Microblogging_release1.3/vendor/rails/
activerecord/lib/active_record/dirty.rb:79:in `save_with_dirty'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
transactions.rb:229:in `with_transaction_returning_status'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
connection_adapters/abstract/database_statements.rb:136:in
`transaction'C:/Microblogging_release1.3/vendor/rails/activerecord/lib/
active_record/transactions.rb:182:in `transaction'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
transactions.rb:228:in `with_transaction_returning_status'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
transactions.rb:196:in `save_with_transactions'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
transactions.rb:208:in `rollback_active_record_state!'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
transactions.rb:196:in `save_with_transactions'C:/
Microblogging_release1.3/app/controllers/
invitation_workflows_controller.rb:14:in `send_invite'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
base.rb:1331:in `perform_action'C:/Microblogging_release1.3/vendor/
rails/actionpack/lib/action_controller/filters.rb:617:in
`call_filters'C:/Microblogging_release1.3/vendor/rails/actionpack/lib/
action_controller/filters.rb:610:in `perform_action_with_filters'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
benchmarking.rb:68:in `perform_action_with_benchmark'C:/
Microblogging_release1.3/vendor/rails/activesupport/lib/active_support/
core_ext/benchmark.rb:17:in `ms'c:/jruby-1.5.0/lib/ruby/1.8/
benchmark.rb:308:in `realtime'C:/Microblogging_release1.3/vendor/rails/
activesupport/lib/active_support/core_ext/benchmark.rb:17:in `ms'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
benchmarking.rb:68:in `perform_action_with_benchmark'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
rescue.rb:160:in `perform_action_with_rescue'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
flash.rb:146:in `perform_action_with_flash'C:/Microblogging_release1.3/
vendor/rails/actionpack/lib/action_controller/base.rb:532:in
`process'C:/Microblogging_release1.3/vendor/rails/actionpack/lib/
action_controller/filters.rb:606:in `process_with_filters'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
base.rb:391:in `process'C:/Microblogging_release1.3/vendor/rails/
actionpack/lib/action_controller/base.rb:386:in `call'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
routing/route_set.rb:437:in `call'C:/Microblogging_release1.3/vendor/
rails/actionpack/lib/action_controller/dispatcher.rb:87:in
`dispatch'C:/Microblogging_release1.3/vendor/rails/actionpack/lib/
action_controller/dispatcher.rb:121:in `_call'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
dispatcher.rb:130:in `build_middleware_stack'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
query_cache.rb:29:in `call'C:/Microblogging_release1.3/vendor/rails/
activerecord/lib/active_record/query_cache.rb:29:in `call'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
connection_adapters/abstract/query_cache.rb:34:in `cache'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
query_cache.rb:9:in `cache'C:/Microblogging_release1.3/vendor/rails/
activerecord/lib/active_record/query_cache.rb:28:in `call'C:/
Microblogging_release1.3/vendor/rails/activerecord/lib/active_record/
connection_adapters/abstract/connection_pool.rb:361:in `call'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
string_coercion.rb:25:in `call'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/
rack-1.0.1/lib/rack/head.rb:9:in `call'c:/jruby-1.5.0/lib/ruby/gems/
1.8/gems/rack-1.0.1/lib/rack/methodoverride.rb:24:in `call'C:/
Microblogging_release1.3/vendor/rails/actionpack/lib/action_controller/
params_parser.rb:15:in `call'C:/Microblogging_release1.3/vendor/rails/
actionpack/lib/action_controller/session/cookie_store.rb:93:in
`call'C:/Microblogging_release1.3/vendor/rails/actionpack/lib/
action_controller/failsafe.rb:26:in `call'C:/Microblogging_release1.3/
vendor/rails/actionpack/lib/action_controller/dispatcher.rb:106:in
`call'C:/Microblogging_release1.3/vendor/rails/railties/lib/rails/rack/
static.rb:31:in `call'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/rack-1.0.1/
lib/rack/urlmap.rb:48:in `call'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/
rack-1.0.1/lib/rack/urlmap.rb:40:in `each'c:/jruby-1.5.0/lib/ruby/gems/
1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:40:in `call'C:/
Microblogging_release1.3/vendor/rails/railties/lib/rails/rack/
log_tailer.rb:17:in `call'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/
rack-1.0.1/lib/rack/content_length.rb:13:in `call'c:/jruby-1.5.0/lib/
ruby/gems/1.8/gems/rack-1.0.1/lib/rack/chunked.rb:15:in `call'c:/
jruby-1.5.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/handler/
mongrel.rb:64:in `process'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/
mongrel-1.1.5-java/lib/mongrel.rb:159:in `process_client'c:/
jruby-1.5.0/lib/ruby/gems/1.8/gems/mongrel-1.1.5-java/lib/mongrel.rb:
158:in `each'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/mongrel-1.1.5-java/
lib/mongrel.rb:158:in `process_client'c:/jruby-1.5.0/lib/ruby/gems/1.8/
gems/mongrel-1.1.5-java/lib/mongrel.rb:285:in `run'c:/jruby-1.5.0/lib/
ruby/gems/1.8/gems/mongrel-1.1.5-java/lib/mongrel.rb:285:in
`initialize'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/mongrel-1.1.5-java/
lib/mongrel.rb:285:in `new'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/
mongrel-1.1.5-java/lib/mongrel.rb:285:in `run'c:/jruby-1.5.0/lib/ruby/
gems/1.8/gems/mongrel-1.1.5-java/lib/mongrel.rb:268:in `initialize'c:/
jruby-1.5.0/lib/ruby/gems/1.8/gems/mongrel-1.1.5-java/lib/mongrel.rb:
268:in `new'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/mongrel-1.1.5-java/
lib/mongrel.rb:268:in `run'c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/
rack-1.0.1/lib/rack/handler/mongrel.rb:34:in `run'C:/
Microblogging_release1.3/vendor/rails/railties/lib/commands/server.rb:
111C:/Microblogging_release1.3/vendor/rails/railties/lib/commands/
server.rb:31:in `require'c:/jruby-1.5.0/lib/ruby/site_ruby/1.8/
rubygems
***********************************************************************************************************************************


(The table invitation_workflows has the following
columns(invitation_workflow_id,invitor_id,invited_whom_id,invited_for_channel_id,invite_status)
What exactly is the problem here,can't get by what it means.

Thanks in Advance


Regards
Chandrika

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