This is the form:

<h3>Add post</h3>

<%= form_tag :controller=>'posts', :action=>'create' do %>
<%= label :q, :Title %>
<%= text_field :data, :title, :class => :addtextsize %><br/>
<%= label :q, :Content %>
<%= text_area :data, :content, :rows=>10 , :class => :addtextarea
%><br/>
<%= label :q, :Tags %>
<%= text_field :data, :tags, :class => :addtextsize %><br/>
<%= label :q, :Submit %>
<%= submit_tag "Add Post" %>
<% end %>

I put "linux dev" in tags textbox.


This is the action:

def create
@addpost = Post.new params[:data]
@addpost.user_id = current_user.id
print @addpost
end

I got error for this line: @addpost = Post.new params[:data]

Error:

NoMethodError in PostsController#create

undefined method `each' for "linux dev":String

activerecord (3.1.3)
lib/active_record/associations/collection_association.rb:299:in
`replace'
activerecord (3.1.3)
lib/active_record/associations/collection_association.rb:41:in `writer'
activerecord (3.1.3)
lib/active_record/associations/builder/association.rb:49:in `block in
define_writers'
activerecord (3.1.3) lib/active_record/base.rb:1751:in `block in
assign_attributes'
activerecord (3.1.3) lib/active_record/base.rb:1747:in `each'
activerecord (3.1.3) lib/active_record/base.rb:1747:in
`assign_attributes'
activerecord (3.1.3) lib/active_record/base.rb:1567:in `initialize'
app/controllers/posts_controller.rb:19:in `new'
app/controllers/posts_controller.rb:19:in `create'
actionpack (3.1.3) lib/action_controller/metal/implicit_render.rb:4:in
`send_action'
actionpack (3.1.3) lib/abstract_controller/base.rb:167:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/rendering.rb:10:in
`process_action'
actionpack (3.1.3) lib/abstract_controller/callbacks.rb:18:in `block in
process_action'
activesupport (3.1.3) lib/active_support/callbacks.rb:425:in
`_run__426936025__process_action__703550844__callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:386:in
`_run_process_action_callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:81:in
`run_callbacks'
actionpack (3.1.3) lib/abstract_controller/callbacks.rb:17:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/rescue.rb:17:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:30:in
`block in process_action'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in `block
in instrument'
activesupport (3.1.3)
lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in
`instrument'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:29:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/params_wrapper.rb:201:in
`process_action'
activerecord (3.1.3)
lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.1.3) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.1.3) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.1.3) lib/action_controller/metal.rb:193:in `dispatch'
actionpack (3.1.3) lib/action_controller/metal/rack_delegation.rb:14:in
`dispatch'
actionpack (3.1.3) lib/action_controller/metal.rb:236:in `block in
action'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:65:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:65:in
`dispatch'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:29:in `call'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:152:in `block in call'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:96:in `block in
recognize'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:75:in
`optimized_each'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:95:in `recognize'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:141:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:532:in
`call'
warden (1.1.0) lib/warden/manager.rb:35:in `block in call'
warden (1.1.0) lib/warden/manager.rb:34:in `catch'
warden (1.1.0) lib/warden/manager.rb:34:in `call'
actionpack (3.1.3)
lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.3.5) lib/rack/etag.rb:23:in `call'
rack (1.3.5) lib/rack/conditionalget.rb:35:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/head.rb:14:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/params_parser.rb:21:in
`call'
actionpack (3.1.3) lib/action_dispatch/middleware/flash.rb:247:in `call'
rack (1.3.5) lib/rack/session/abstract/id.rb:195:in `context'
rack (1.3.5) lib/rack/session/abstract/id.rb:190:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/cookies.rb:331:in
`call'
activerecord (3.1.3) lib/active_record/query_cache.rb:64:in `call'
activerecord (3.1.3)
lib/active_record/connection_adapters/abstract/connection_pool.rb:477:in
`call'
actionpack (3.1.3) lib/action_dispatch/middleware/callbacks.rb:29:in
`block in call'
activesupport (3.1.3) lib/active_support/callbacks.rb:392:in
`_run_call_callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:81:in
`run_callbacks'
actionpack (3.1.3) lib/action_dispatch/middleware/callbacks.rb:28:in
`call'
actionpack (3.1.3) lib/action_dispatch/middleware/reloader.rb:68:in
`call'
rack (1.3.5) lib/rack/sendfile.rb:101:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/remote_ip.rb:48:in
`call'
actionpack (3.1.3)
lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
railties (3.1.3) lib/rails/rack/logger.rb:13:in `call'
rack (1.3.5) lib/rack/methodoverride.rb:24:in `call'
rack (1.3.5) lib/rack/runtime.rb:17:in `call'
activesupport (3.1.3)
lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.3.5) lib/rack/lock.rb:15:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/static.rb:53:in `call'
railties (3.1.3) lib/rails/engine.rb:456:in `call'
rack (1.3.5) lib/rack/content_length.rb:14:in `call'
railties (3.1.3) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.3.5) lib/rack/handler/webrick.rb:59:in `service'
/home/user1/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:111:in
`service'
/home/user1/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:70:in
`run'
/home/user1/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/server.rb:183:in
`block in start_thread'

Why am i getting this error?

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Search Discussions

  • John Hinnegan at Feb 24, 2012 at 3:54 am
    This is an issue at the model / db layer. To help, we'd need the model code
    and the contents of params[:data]

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  • Gmspro gmspro at Feb 24, 2012 at 4:10 am

    John H. wrote in post #1048579:
    This is an issue at the model / db layer. To help, we'd need the model
    code
    and the contents of params[:data]
    I have added the model relation, and this is the params[:data]

    "data"=>{"title"=>"Linux Developers In High Demand: Report",
    "content"=>"The Linux Foundation and Dice have released a report titled
    'Linux Jobs Report' which shows the increasing demand for Linux talent
    across industries. The report includes responses from more than 2,000
    hiring managers at corporations, Small and Medium Businesses (SMBs),
    government organizations, and staffing agencies from across the globe.",
    "tags"=>"linux dev"}, "commit"=>"Add Post"}

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  • Colin Law at Feb 24, 2012 at 9:05 am

    On 24 February 2012 04:10, gmspro gmspro wrote:
    John H. wrote in post #1048579:
    This is an issue at the model / db layer. To help, we'd need the model
    code
    and the contents of params[:data]
    I have added the model relation, and this is the params[:data]

    "data"=>{"title"=>"Linux Developers In High Demand: Report",
    "content"=>"The Linux Foundation and Dice have released a report titled
    'Linux Jobs Report' which shows the increasing demand for Linux talent
    across industries. The report includes responses from more than 2,000
    hiring managers at corporations, Small and Medium Businesses (SMBs),
    government organizations, and staffing agencies from across the globe.",
    "tags"=>"linux dev"}, "commit"=>"Add Post"}
    I can't see where you have added the model code. Do you have post
    has_many tags, or has_and_belongs_to_many tags? If so then the
    problem may be that you are passing a string for tags instead of an
    array. Just a guess as you have not shown us the model relationships.

    Colin

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  • Gmspro gmspro at Feb 27, 2012 at 12:47 am

    Colin Law wrote in post #1048610:
    I can't see where you have added the model code. Do you have post
    has_many tags, or has_and_belongs_to_many tags? If so then the
    problem may be that you are passing a string for tags instead of an
    array. Just a guess as you have not shown us the model relationships.

    Colin
    See the original post.

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  • Colin Law at Feb 27, 2012 at 8:01 am

    On 27 February 2012 00:46, gmspro gmspro wrote:
    Colin Law wrote in post #1048610:
    I can't see where you have added the model code.  Do you have post
    has_many tags, or has_and_belongs_to_many tags?  If so then the
    problem may be that you are passing a string for tags instead of an
    array.  Just a guess as you have not shown us the model relationships.

    Colin
    See the original post.
    No, still can't see it, maybe I am missing the original post, post it
    again please.
    Why did you not comment on my suggestions above?

    Colin

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