Issue #5298 has been updated by Markus Roberts.

After several false starts I've been able to reproduce this with a simple case, 
though there are still a few questions in my mind about the mechanism.

----------------------------------------
Bug #5298: Cannot find an exported define if code haven't yet been autoloaded 
on compile instance for the collecting host.
https://projects.puppetlabs.com/issues/5298

Author: Peter Meier
Status: Accepted
Priority: High
Assignee: Markus Roberts
Category: 
Target version: 
Affected Puppet version: 2.6.3rc3
Keywords: 
Branch: 


Given a define that is exported on host A and collected on host B, but host B 
does not apply the define itself (and the current instance has not yet loaded 
the code for the define) hence it only applies the collected one, we get the 
following error:

Server:
<pre>
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util/errors.rb:60:in
 `fail'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/resource.rb:75:in
 `evaluate'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:255:in
 `evaluate_definitions'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:255:in
 `each'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:255:in
 `evaluate_definitions'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util/errors.rb:35:in
 `exceptwrap'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:254:in
 `evaluate_definitions'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:270:in
 `evaluate_generators'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:265:in
 `loop'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:265:in
 `evaluate_generators'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:107:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:18:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/catalog/compiler.rb:77:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util.rb:192:in
 `benchmark'
/opt/ruby-enterprise/lib/ruby/1.8/benchmark.rb:308:in `realtime'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util.rb:191:in
 `benchmark'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/catalog/compiler.rb:75:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/catalog/compiler.rb:34:in
 `find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/indirection.rb:193:in
 `find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector.rb:50:in
 `find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/handler.rb:101:in
 `do_find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/handler.rb:68:in
 `send'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/handler.rb:68:in
 `process'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick/rest.rb:24:in
 `service'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:45
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:173:in `call'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:162:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:95:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:92:in `each'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:92:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:23:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:82:in `start'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:42:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:41:in
 `initialize'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:41:in
 `new'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:41:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:38:in
 `synchronize'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:38:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/server.rb:127:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/server.rb:142:in
 `start'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/daemon.rb:124:in
 `start'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application/master.rb:114:in
 `main'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application/master.rb:46:in
 `run_command'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application.rb:287:in
 `run'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application.rb:393:in
 `exit_on_fail'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application.rb:287:in
 `run'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util/command_line.rb:55:in
 `execute'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/bin/puppet:4
/opt/ruby-enterprise/bin/puppet:19:in `load'
/opt/ruby-enterprise/bin/puppet:19
err: Cannot find definition Awstats::Server::Sitestorage at line 64 on node 
foo.bar.ch
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/parser/compiler.rb:21:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/catalog/compiler.rb:77:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util.rb:192:in
 `benchmark'
/opt/ruby-enterprise/lib/ruby/1.8/benchmark.rb:308:in `realtime'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util.rb:191:in
 `benchmark'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/catalog/compiler.rb:75:in
 `compile'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/catalog/compiler.rb:34:in
 `find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector/indirection.rb:193:in
 `find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/indirector.rb:50:in
 `find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/handler.rb:101:in
 `do_find'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/handler.rb:68:in
 `send'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/handler.rb:68:in
 `process'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick/rest.rb:24:in
 `service'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:45
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:173:in `call'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:162:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:95:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:92:in `each'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:92:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:23:in `start'
/opt/ruby-enterprise/lib/ruby/1.8/webrick/server.rb:82:in `start'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:42:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:41:in
 `initialize'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:41:in
 `new'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:41:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:38:in
 `synchronize'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/http/webrick.rb:38:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/server.rb:127:in
 `listen'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/network/server.rb:142:in
 `start'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/daemon.rb:124:in
 `start'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application/master.rb:114:in
 `main'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application/master.rb:46:in
 `run_command'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application.rb:287:in
 `run'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application.rb:393:in
 `exit_on_fail'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/application.rb:287:in
 `run'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/lib/puppet/util/command_line.rb:55:in
 `execute'
/opt/ruby-enterprise/lib/ruby/gems/1.8/gems/puppet-2.6.3/bin/puppet:4
/opt/ruby-enterprise/bin/puppet:19:in `load'
/opt/ruby-enterprise/bin/puppet:19
err: Cannot find definition Awstats::Server::Sitestorage at line 64 on node 
foo.bar.ch
</pre>

Client:
<pre>
err: Could not retrieve catalog from remote server: Error 400 on SERVER: Cannot 
find definition Awstats::Server::Sitestorage at line 64 on node foo.bar.ch
</pre>

This is likely an autoloading issue, as if I run this code on a webrick (single 
thread) and I run puppet on host A (which is exporting the define) prior to 
host B (which collects the exported resources) it will work on subsequent runs 
on host B.

However, obviously this is hard to ensure on a passenger based host.

This means that exported resources are currently not (really) working on 2.6.x, 
therefor I set the priority as high.

Additionally the error message is not very helpful (which line 64?) and I'm 
going to file that as another bug report.




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