Wild guess, maybe the user is using the middle click button? If the
button is a link, could you open it in a new tab, requesting that route
via a normal GET request instead of Ajax?

Warm regards,
Ignacio

El 09-03-2015 a las 14:03, Tim Griffin escribió:
> So, in looking more closely at the logs, I see that the calls that are
> being being correctly processed are handled as "AS JS" (where no
> template is needed), but the calls triggering the "MissingTemplate"
> error are being processed "AS HTML". And yet, in each case, the call
> originates from the same button on the same page! /Sometimes/ they are
> being handled as JS and /sometimes/ as HTML. 
> 
> So now I have to find out what the variable is. A browser issue? 
> 
> When I find out, I will definitely report back. 
> 
> Tim
> 
> 
> This is the call that works:
> 
> Started GET "/instruments/1/135463/edit" for 64.26.134.201 at 2014-12-16
> 10:07:44 -0500
>   1318 Processing by InstrumentsController#edit as HTML
>   1319   Parameters: {"region_id"=>"1", "instrument_no"=>"135463"}
>   1320   DRYML: Compiled app/views/instruments/edit.dryml in 0.69s
>   1321 Checking for instrument image:
> /webapps/polar/scans/instruments/135463.pdf
>   1322 Checking for instrument image:
> /webapps/polar/scans/instruments/135463.pdf
>   1323   Rendered instruments/edit.dryml (3839.6ms)
>   1324 Completed 200 OK in 3856.8ms (Views: 3594.6ms | ActiveRecord:
> 251.3ms)
>   1325 Started POST
> "/instruments/385979/generate_pdf?page_path=%2Finstruments%2F1%2F135463%2Fedit&authenticity_token=CVYOVTX0pR7mBAjhWyhqc9ezNZWUsA4K8rh%2FWasv
>       HIY%3D&instrument_id=385979" for 64.26.134.201 at 2014-12-16
> 10:07:53 -0500
>   1326 Processing by InstrumentsController#generate_pdf as JS
>   1327   Parameters:
> {"render"=>{"0"=>{"part_context"=>"BAhbCDoXZGl2X2ltYWdlX2NvbnRyb2xzSSIWaW5zdHJ1bWVudDozODU5NzkGOgZFRlsA--722ee58851642f304aa6be4ca822a65576
>       976ea1", "id"=>"div-image-controls"},
> "1"=>{"part_context"=>"BAhbCDomZGl2X2luc3RydW1lbnRfdHJhbnNpdGlvbl9idXR0b25zSSIWaW5zdHJ1bWVudDozODU5NzkGOgZFRlsA--74
>       1c5be8a0a417123b412c7f0b4f93bac9ec57eb",
> "id"=>"div-instrument-transition-buttons"}},
> "page_path"=>"/instruments/1/135463/edit", "authenticity_token"=>"C    
>   VYOVTX0pR7mBAjhWyhqc9ezNZWUsA4K8rh/WasvHIY=",
> "instrument_id"=>"385979", "id"=>"385979"}
>   1328   Rendered lto_templates/_content.erb (0.6ms)
>   1329   Rendered lto_templates/_attachments.erb (2.8ms)
>   1330   Rendered lto_templates/_signature_block.erb (4.2ms)
>   1331   Rendered lto_templates/_postal_address_grantors.erb (2.4ms)
>   1332   Rendered lto_templates/_postal_address_grantees.erb (2.4ms)
>   1333   Rendered lto_templates/_form13e_mortgage.erb (43.0ms)
>   1334   Rendered lto_templates/_template_by_nature.erb (48.0ms)
>   1335   Rendered instruments/print.erb (55.2ms)
>   1336 Call part: div_image_controls. this-id = instrument:385979,
> locals = []
>   1337 Checking for instrument image:
> /webapps/polar/scans/instruments/135463.pdf
>   1338 Call part: div_instrument_transition_buttons. this-id =
> instrument:385979, locals = []
>   1339 Checking for instrument image:
> /webapps/polar/scans/instruments/135463.pdf
>   1340 Completed 200 OK in 2219.2ms (Views: 0.3ms | ActiveRecord: 9.2ms)
> 
> Yet, this is the call that fails:
> 
> Started GET "/instruments/1/135468/edit" for 64.26.134.201 at 2014-12-16
> 14:56:54 -0500
>   5474 Processing by InstrumentsController#edit as HTML
>   5475   Parameters: {"region_id"=>"1", "instrument_no"=>"135468"}
>   5476 Checking for instrument image:
> /webapps/polar/scans/instruments/135468.pdf
>   5477 Checking for instrument image:
> /webapps/polar/scans/instruments/135468.pdf
>   5478   Rendered instruments/edit.dryml (3321.0ms)
>   5479 Completed 200 OK in 3337.4ms (Views: 3214.7ms | ActiveRecord:
> 112.3ms)
>   5480 Started POST "/instruments/385984/generate_pdf" for 64.26.134.201
> at 2014-12-16 14:57:02 -0500
>   5481 Processing by InstrumentsController#generate_pdf as HTML
>   5482   Parameters: {"page_path"=>"/instruments/1/135468/edit",
> "authenticity_token"=>"8H8y3bua3H2vwi/M1Fhmk2tUlEKVwDrAtPAMzCtFmL0=",
> "instrument_id"=>"385984"       , "id"=>"385984"}
>   5483   Rendered lto_templates/_content.erb (0.1ms)
>   5484   Rendered lto_templates/_attachments.erb (1.7ms)
>   5485   Rendered lto_templates/_postal_address_grantees.erb (2.1ms)
>   5486   Rendered lto_templates/_postal_address_grantors.erb (1.9ms)
>   5487   Rendered lto_templates/_signature_block.erb (2.6ms)
>   5488   Rendered lto_templates/_signature_block.erb (1.4ms)
>   5489   Rendered lto_templates/_postal_address_grantors.erb (1.9ms)
>   5490   Rendered lto_templates/_postal_address_grantees.erb (1.9ms)
>   5491   Rendered lto_templates/_form17e_transfer_of_lease.erb (35.4ms)
>   5492   Rendered lto_templates/_template_by_nature.erb (35.6ms)
>   5493   Rendered instruments/print.erb (40.9ms)
>   5494 Completed 500 Internal Server Error in 2469.2ms
> 
> 
> 
> On Mon, Mar 9, 2015 at 8:25 AM, Tim Griffin <[email protected]
> <mailto:[email protected]>> wrote:
> 
>     Hi Ignacio;
> 
>     Many thanks for the suggestion, but simply calling /render/ doesn't
>     allow me to update the part contexts I need to by using the web method. 
> 
>     Oddly, having tested the very same web method, setup, and context on
>     a staging box, I do _not_ encounter the "missing template" issue.
>     Bizarre!
> 
>     So, it appears to be an environment problem. I will keep hunting and
>     report back. But certainly in my staging environment, the normal
>     "hobo_ajax_response" call works as intended with no complaints. 
> 
>     Best regards,
>     Tim
> 
> 
> 
>     On Sat, Mar 7, 2015 at 11:07 AM, Ignacio Huerta <[email protected]
>     <mailto:[email protected]>> wrote:
> 
>         Hi Tim,
> 
>         Have you tried replacing hobo_ajax_response() with render?
> 
>         render :js => "alert('hello')"
> 
>         Warm regards,
>         Ignacio
> 
>         El 06-03-2015 a las 21:54, Tim Griffin escribió:
>         > Hi all;
>         >
>         > (Hobo 2.0.1)
>         >
>         > I have a simple web_method defined that writes a PDF file to
>         disk, and
>         > then responds with a javascript postamble:
>         >
>         >   def generate_pdf
>         >
>         >     # Generate the PDF here (write it to disk).
>         >
>         >     # Notify user we're done.
>         >     js = "notify(\"#{ t('caption') }\", \" #{ t('message') }
>         \", \"
>         > #{icon} \");"
>         >     hobo_ajax_response( :postamble => js )
>         >
>         >   end
>         >
>         > This is called with a POST:
>         >
>         >   <form web-method="generate_pdf" method="POST">
>         >     <submit id="btn_GeneratePDF" label="Generate PDF"/>
>         >   </form>
>         >
>         > While the method works and does its job, it's always raising a
>         > (harmless) exception:
>         >
>         >   An ActionView::MissingTemplate occurred in
>         instruments#generate_pdf:
>         >
>         >   Missing template instruments/generate_pdf,
>         application/generate_pdf with
>         >     {:locale=>[:en], :formats=>[:html], :handlers=>[:erb,
>         :builder,
>         > :dryml]}. Searched in:
>         >   * "/webapps/polar/rels/20140812_00/app/views"
>         >   *
>         >
>         
> "/home/sshadmin/.rvm/gems/ruby-1.9.3-p545/bundler/gems/ckeditor-dc2a09e9e911/app/views"
>         >   * "#<Dryml::Railtie::PageTagResolver:0x0000000a89b1b0>"
>         >
>         >   actionpack (3.2.21) lib/action_view/path_set.rb:58:in `find'
>         >
>         >
>         > Any ideas what might be missing to stop Rails looking for a
>         template to
>         > render?
>         >
>         > Many thanks,
>         > TIm
>         >
>         >
>         >
>         >
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