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From "David Lutterkort (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DTACLOUD-432) Using $select=disks&$expand=disks return 500
Date Sat, 26 Jan 2013 00:53:13 GMT

    [ https://issues.apache.org/jira/browse/DTACLOUD-432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13563226#comment-13563226
] 

David Lutterkort commented on DTACLOUD-432:
-------------------------------------------

It took me a while to figure this out: your shell is taking you to the cleaners, as $select
and $expand get replaced with nothing by your shell. Enclose the URL in single quotes and
you get:

curl -H 'Accept: application/xml' -i --user "mockuser:mockpassword" 'http://localhost:3001/cimi/machines?$select=disks&$expand=disks'

<Collection xmlns="http://schemas.dmtf.org/cimi/1" resourceURI="http://schemas.dmtf.org/cimi/1/MachineCollection">
  <id>http://localhost:3001/cimi/machines</id>
  <count>2</count>
  <Machine>
    <disks href="http://localhost:3001/cimi/machines/inst0/disks">
      <id>http://localhost:3001/cimi/machines/inst0/disks</id>
      <count>1</count>
      <Disk>
        <capacity>891289600</capacity>
      </Disk>
    </disks>
  </Machine>
  <Machine>
    <disks href="http://localhost:3001/cimi/machines/inst1/disks">
      <id>http://localhost:3001/cimi/machines/inst1/disks</id>
      <count>1</count>
      <Disk>
        <capacity>167772160</capacity>
      </Disk>
    </disks>
  </Machine>
  <operation rel="add" href="http://localhost:3001/cimi/machines" />
</Collection>

                
> Using $select=disks&$expand=disks return 500
> --------------------------------------------
>
>                 Key: DTACLOUD-432
>                 URL: https://issues.apache.org/jira/browse/DTACLOUD-432
>             Project: DeltaCloud
>          Issue Type: Bug
>            Reporter: Michal Fojtik
>            Assignee: Michal Fojtik
>
> When using this URL:
> http://localhost:3001/cimi/machines?$expand=disks&$select=disks
> I expect that only expanded disks subcollection will appear. However I get this:
> error status="500" url="/cimi/machines">
> <kind>backend_error</kind>
> <message>
> <![CDATA[undefined local variable or method `entry_name' for #<Class::DiskCollection:0x7fe03934a050>
]]>
> </message>
> <backend driver="mock">
> <code>500</code>
> </backend>
> <backtrace>
> [ Abbreviated trace pass fulltrace=1 as query param to see everything $app = /home/mfojtik/code/core/server/lib
] $app/cimi/models/collection.rb:56:in `[]' $app/cimi/models/collection.rb:27:in `initialize'
$app/cimi/models/schema.rb:266:in `new' $app/cimi/models/schema.rb:266:in `convert' $app/cimi/models/schema.rb:288:in
`convert' $app/cimi/models/base.rb:184:in `initialize' ... $app/cimi/models/base.rb:183:in
`each' $app/cimi/models/base.rb:183:in `inject' $app/cimi/models/base.rb:183:in `initialize'
$app/cimi/models/base.rb:288:in `new' $app/cimi/models/base.rb:288:in `filter_attributes'
$app/cimi/models/collection.rb:67:in `filter_attributes' $app/cimi/models/collection.rb:66:in
`map' $app/cimi/models/collection.rb:66:in `filter_attributes' $app/cimi/models/base.rb:252:in
`filter_by' $app/cimi/collections/machines.rb:27 ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_accept.rb:164:in `call'
... $app/sinatra/rack_driver_select.rb:45:in `call' $app/sinatra/rack_matrix_params.rb:104:in
`call' $app/sinatra/rack_etag.rb:41:in `call' $app/sinatra/rack_date.rb:31:in `call' $app/sinatra/rack_logger.rb:76:in
`call' $app/sinatra/rack_accept.rb:164:in `call' ... $app/sinatra/rack_matrix_params.rb:104:in
`call' ...
> </backtrace>
> </error>

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