random DBI::DatabaseError while querying SqlServer

First some background: Application is running on a windows XP I’m currently using Ruby version 1.8.6-26 with easy installer (I couldn’t manage to manually install 1.8.7) Rails version is 2.2.2 activerecord version 2.2.2, 1.15.6 activerecord-sqlserver-adapter is version 1.0.0.9250 ADO.rb version is 0.1.0 (couldn’t find anything newer, is it abandoned or something?) SqlServer 2000 (I tried with sql server 2005 same problem continues) I don’t know it’s related but as session store I’m using active_record_store Problem: Database queries are generally working fine, but sometimes (lets say once in 30-40 queries) I get a strange error at sqlserver_adapter.rb, the error message and stack trace is as follows. DBI::DatabaseError: Value OLE error code:8000FFFF in Microsoft OLE DB Provider for SQL Server Iİşlem::Kaydet veya Iİşlem::Durdur çağrıldı ve nesne meşgul durumda. HRESULT error code:0x80020009 ?zel durum olu?tu.: SELECT * FROM [product] WHERE ([product].[isActive] = 1 AND [product].[useInMobileOrder] = 1) C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract_adapter.rb:188:in log' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-sqlserver-adapter-1.0.0.9250/lib/active_record/connection_adapters/sqlserver_adapter.rb:337:in execute’ C:/ruby/lib/ruby/gems/1.8/gems/activerecord-sqlserver-adapter-1.0.0.9250/lib/active_record/connection_adapters/sqlserver_adapter.rb:538:in select' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in select_all_without_query_cache’ C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:60:in select_all' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:81:in cache_sql’ C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:60:in select_all' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/base.rb:635:in find_by_sql’ C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/base.rb:1490:in find_every' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/base.rb:589:in find’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in send' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in perform_action_without_filters’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:617:in call_filters' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:638:in run_before_filters’ C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/callbacks.rb:178:in send' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/callbacks.rb:178:in evaluate_method’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:186:in call' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:635:in run_before_filters’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:615:in call_filters' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:610:in perform_action_without_benchmark’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in perform_action_without_rescue' C:/ruby/lib/ruby/1.8/benchmark.rb:293:in measure’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in perform_action_without_rescue' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/rescue.rb:136:in perform_action_without_caching’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:13:in perform_action' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in cache’ C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/query_cache.rb:8:in cache' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:12:in perform_action’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in send' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in process_without_filters’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:606:in process_without_session_management_support' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/session_management.rb:134:in process’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:392:in process' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:183:in handle_request’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:110:in dispatch_unlocked' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:123:in dispatch’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:122:in synchronize' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:122:in dispatch’ C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:132:in dispatch_cgi' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/dispatcher.rb:39:in dispatch’ C:/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/webrick_server.rb:103:in handle_dispatch' C:/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/webrick_server.rb:74:in service’ C:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in service' C:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in run’ C:/ruby/lib/ruby/1.8/webrick/server.rb:173:in start_thread' C:/ruby/lib/ruby/1.8/webrick/server.rb:162:in start’ C:/ruby/lib/ruby/1.8/webrick/server.rb:162:in start_thread' C:/ruby/lib/ruby/1.8/webrick/server.rb:95:in start’ C:/ruby/lib/ruby/1.8/webrick/server.rb:92:in each' C:/ruby/lib/ruby/1.8/webrick/server.rb:92:in start’ C:/ruby/lib/ruby/1.8/webrick/server.rb:23:in start' C:/ruby/lib/ruby/1.8/webrick/server.rb:82:in start’ C:/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/webrick_server.rb:60:in dispatch' C:/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/commands/servers/webrick.rb:66 C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require’ C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in require' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in require’ C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:521:in new_constants_in' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in require’ C:/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/commands/server.rb:49 C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in require’ Translation of Error message The error message seems to be coming from Microsoft provider so it’s message is localized to Turkish. A direct translation would be something like DBI::DatabaseError: Value OLE error code:8000FFFF in Microsoft OLE DB Provider for SQL Server ITransaction::Commit or ITransaction::Abort was called, and object is in a zombie state.

Any ideas to solve the problem?

Thx in advance