we have had the same problem and it turned out to be the size of the column in mysql
whenever we create a blog column we go through and change the type to LONGBLOB using the following in the migration. execute "ALTER TABLE pgcs CHANGE pgc pgc LONGBLOB;" Simon On Wed, 10 Dec 2008 17:04:25 +0900, Farmer Schlutzenberg <[EMAIL PROTECTED]> wrote: > > Hi, > > I'm trying to insert a blob into a MySQL database with a Rails app. I'm > getting the error: > > ActiveRecord::StatementInvalid (Mysql::Error: MySQL server has gone > away: INSERT INTO `index_entries` > (`legal_case_id`,`document_id`,`sword`,`word_count`,`map_data`,`created_at`,`updated_at`) > VALUES (3,1368,'f',208720,' \0\0........blob data........\0 Œ1\0 > Œ1\0','2008-12-10 05:17:29','2008-12-10 05:17:29') ON DUPLICATE KEY > UPDATE `index_entries`.`updated_at`=VALUES(`updated_at`)): > > I believe the blob itself should be about 820K long. Cutting it back to > 800K, it works alright. But I've checked my MySQL config, and it claims > that max_packet_size=1M. I've also tried setting it to 32M, and that > didn't make any difference. I've also tried replacing the data with a > sequence "01010101..." of the same length, and the same thing occurs: at > 800K it works, but the same error occurs at 820K. Does anyone know > what's going on? > > Any help most appreciated! > > Here is the stack trace: > > > 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-2.2.2/lib/active_record/connection_adapters/mysql_adapter.rb:309:in > `execute' > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/database_statements.rb:171:in > `insert_sql' > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/mysql_adapter.rb:319:in > `insert_sql' > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/database_statements.rb:44:in > `insert_without_query_dirty' > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:18:in > `insert' > > C:/Ruby/lib/ruby/gems/1.8/gems/ar-extensions-0.8.0/lib/ar-extensions/adapters/abstract_adapter.rb:46:in > `insert_many' > > C:/Ruby/lib/ruby/gems/1.8/gems/ar-extensions-0.8.0/lib/ar-extensions/adapters/abstract_adapter.rb:43:in > `each' > > C:/Ruby/lib/ruby/gems/1.8/gems/ar-extensions-0.8.0/lib/ar-extensions/adapters/abstract_adapter.rb:43:in > `insert_many' > > C:/Ruby/lib/ruby/gems/1.8/gems/ar-extensions-0.8.0/lib/ar-extensions/import.rb:282:in > `import_without_validations_or_callbacks' > > C:/Ruby/lib/ruby/gems/1.8/gems/ar-extensions-0.8.0/lib/ar-extensions/import.rb:243:in > `import_with_validations' > > C:/Ruby/lib/ruby/gems/1.8/gems/ar-extensions-0.8.0/lib/ar-extensions/import.rb:202:in > `import' > /app/models/document.rb:150:in `index' > > C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/buffered_logger.rb:25:in > `silence' > /app/models/document.rb:149:in `index' > /app/models/document.rb:19:in `integrate_import_record' > /app/models/import_set.rb:44:in `integrate' > /app/models/import_set.rb:33:in `each' > /app/models/import_set.rb:33:in `integrate' > /app/controllers/import_sets_controller.rb:47:in `integrate' > > 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: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/mongrel-1.1.5-x86-mswin32-60/bin/../lib/mongrel/rails.rb:76:in > `process' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/bin/../lib/mongrel/rails.rb:74:in > `synchronize' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/bin/../lib/mongrel/rails.rb:74:in > `process' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:159:in > `process_client' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:158:in > `each' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:158:in > `process_client' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:285:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:285:in > `initialize' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:285:in > `new' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:285:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:268:in > `initialize' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:268:in > `new' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel.rb:268:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel/configurator.rb:282:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel/configurator.rb:281:in > `each' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel/configurator.rb:281:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/bin/mongrel_rails:128:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/lib/mongrel/command.rb:212:in > `run' > > C:/Ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-mswin32-60/bin/mongrel_rails:281 > > C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:142:in > `load_without_new_constant_marking' > > C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:142:in > `load' > > 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:142:in > `load' > > C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/commands/servers/mongrel.rb:64 > C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in > `gem_original_require' > C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27: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:27:in > `gem_original_require' > C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in > `require' > script/server:6 > > - Farmer --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. 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