Subprocess call engine error

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Subprocess call engine error

by emiliojge :: Rate this Message:

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Hello,

We are using route-web (densha), the version from May 30th, but we are
having a problem with a rather 'trivial' piece of code. It is just a
"subprocess call", as you can see below:

----------------

<process-definition revision="1.0" name="Proc-Main">
<description>
Main
</description>
<sequence>
<participant ref="alpha"/>
<subprocess ref="subproc"/>
<participant ref="alpha"/>
</sequence>

<process-definition name="subproc">
<sequence>
<participant ref="bravo"/>
</sequence>
</process-definition>

</process-definition>

-----------------

After "stopping" in participant "alpha", the subprocess "subproc" is
called, and the workitem can be seen in "bravo" store. But clicking in
"view" or "edit" results in the following error (listed at the end of
the email). We have tried in several machines, and using different
"participants", but we are unable to make it work. What is happening?
As a hint, I can say that this same piece of code runs perfectly in
OpenWFE 1.7.2 (in Java)

Thanks for your help, and kind regards,

Emilio

----

NoMethodError in WorkitemController#view

You have a nil object when you didn't expect it!
The error occurred while evaluating nil.raw_representation

RAILS_ROOT: /home/isabel/ruote-web
Application Trace | Framework Trace | Full Trace

vendor/openwfe/expool/representation.rb:73:in `update_rep'
vendor/openwfe/expool/representation.rb:61:in `representation'
vendor/openwfe/engine/expool_methods.rb:82:in `process_representation'
app/controllers/workitem_controller.rb:279:in `load_workitem'
app/controllers/workitem_controller.rb:83:in `view'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
1158:in `send'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
1158:in `perform_action_without_filters'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
filters.rb:697:in `call_filters'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
filters.rb:689:in `perform_action_without_benchmark'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
benchmarking.rb:68:in `perform_action_without_rescue'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
benchmarking.rb:68:in `perform_action_without_rescue'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
rescue.rb:199:in `perform_action_without_caching'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
caching.rb:678:in `perform_action'
/var/lib/gems/1.8/gems/activerecord-2.0.2/lib/active_record/
connection_adapters/abstract/query_cache.rb:33:in `cache'
/var/lib/gems/1.8/gems/activerecord-2.0.2/lib/active_record/
query_cache.rb:8:in `cache'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
caching.rb:677:in `perform_action'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
524:in `send'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
524:in `process_without_filters'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
filters.rb:685:in `process_without_session_management_support'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
session_management.rb:123:in `process'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
388:in `process'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:78:in
`service'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/commands/servers/webrick.rb:66
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/
dependencies.rb:496:in `require'
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/
dependencies.rb:342:in `new_constants_in'
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/
dependencies.rb:496:in `require'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:39

vendor/openwfe/expool/representation.rb:73:in `update_rep'
vendor/openwfe/expool/representation.rb:61:in `representation'
vendor/openwfe/engine/expool_methods.rb:82:in `process_representation'
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:171:in `handle_request'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:115:in `dispatch'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:126:in `dispatch_cgi'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:9:in `dispatch'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:112:in
`handle_dispatch'
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:62:in
`dispatch'
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'
script/server:3

vendor/openwfe/expool/representation.rb:73:in `update_rep'
vendor/openwfe/expool/representation.rb:61:in `representation'
vendor/openwfe/engine/expool_methods.rb:82:in `process_representation'
app/controllers/workitem_controller.rb:279:in `load_workitem'
app/controllers/workitem_controller.rb:83:in `view'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
1158:in `send'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
1158:in `perform_action_without_filters'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
filters.rb:697:in `call_filters'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
filters.rb:689:in `perform_action_without_benchmark'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
benchmarking.rb:68:in `perform_action_without_rescue'
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
benchmarking.rb:68:in `perform_action_without_rescue'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
rescue.rb:199:in `perform_action_without_caching'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
caching.rb:678:in `perform_action'
/var/lib/gems/1.8/gems/activerecord-2.0.2/lib/active_record/
connection_adapters/abstract/query_cache.rb:33:in `cache'
/var/lib/gems/1.8/gems/activerecord-2.0.2/lib/active_record/
query_cache.rb:8:in `cache'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
caching.rb:677:in `perform_action'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
524:in `send'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
524:in `process_without_filters'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
filters.rb:685:in `process_without_session_management_support'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
session_management.rb:123:in `process'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:
388:in `process'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:171:in `handle_request'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:115:in `dispatch'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:126:in `dispatch_cgi'
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/
dispatcher.rb:9:in `dispatch'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:112:in
`handle_dispatch'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:78:in
`service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
/usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start'
/usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:62:in
`dispatch'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/commands/servers/webrick.rb:66
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/
dependencies.rb:496:in `require'
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/
dependencies.rb:342:in `new_constants_in'
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/
dependencies.rb:496:in `require'
/var/lib/gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:39
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'
script/server:3

Request

Parameters:

{"id"=>"60"}

Show session dump

---
:launched_fei: !ruby/OpenWFE::FlowExpressionId
s: (fei 0.9.18 engine public/process_definitions/pruebecilla.xml
Proc-Main 1.0 20080603-jagohisate process-definition 0)
:user: !ruby/object:User
attributes:
salt:
name: admin
hashed_password:
admin: "1"
id: "4"
attributes_cache: {}

flash: !map:ActionController::Flash::FlashHash {}

:workitem: 60

Response

Headers:

{"cookie"=>[],
"Cache-Control"=>"no-cache"}

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