NoMethodError（未定义方法`id'为零：NilClass）

问题描述：

当我通过cURL请求在Redmine上创建故障单时，出现此错误。我的cURL成功创建了票证，但它也返回了一个错误，我无法理解为什么会这样。NoMethodError（未定义方法`id'为零：NilClass）

这里是我得到的错误：

Started POST "/issues.json" for 122.161.50.0 at 2016-04-16 07:18:22 +0000 
Processing by IssuesController#create as JSON 
Parameters: {"issue"=>{"project_id"=>10, "tracker_id"=>7, "status_id"=>1, "priority_id"=>3, "subject"=>"Issue created from CURL"}} 
Current user: himanshu (id=3) 
Rendered mailer/_issue.text.erb (6.8ms) 
Rendered mailer/issue_add.text.erb within layouts/mailer (45.6ms) 
Rendered mailer/_issue.html.erb (2.3ms) 
Rendered mailer/issue_add.html.erb within layouts/mailer (6.9ms) 
Completed 500 Internal Server Error in 724.8ms 

NoMethodError (undefined method `id' for nil:NilClass): 
lib/redmine/hook.rb:61:in `block (2 levels) in call_hook' 
lib/redmine/hook.rb:61:in `each' 
lib/redmine/hook.rb:61:in `block in call_hook' 
lib/redmine/hook.rb:58:in `tap' 
lib/redmine/hook.rb:58:in `call_hook' 
lib/redmine/hook.rb:153:in `call_hook' 
app/controllers/issues_controller.rb:151:in `create'

这是控制器代码

def create 
call_hook(:controller_issues_new_before_save, { :params => params, :issue => @issue }) 
@issue.save_attachments(params[:attachments] || (params[:issue] && params[:issue][:uploads])) 
if @issue.save 
    call_hook(:controller_issues_new_after_save, { :params => params, :issue => @issue}) 
    respond_to do |format| 
    format.html { 
     render_attachment_warning_if_needed(@issue) 
     flash[:notice] = l(:notice_issue_successful_create, :id => view_context.link_to("##{@issue.id}", issue_path(@issue), :title => @issue.subject)) 
     if params[:continue] 
     attrs = {:tracker_id => @issue.tracker, :parent_issue_id => @issue.parent_issue_id}.reject {|k,v| v.nil?} 
     redirect_to new_project_issue_path(@issue.project, :issue => attrs) 
     else 
     redirect_to issue_path(@issue) 
     end 
    } 
    format.api { render :action => 'show', :status => :created, :location => issue_url(@issue) } 
    end 
    return 
else 
    respond_to do |format| 
    format.html { render :action => 'new' } 
    format.api { render_validation_errors(@issue) } 
    end 
end 
end

这是调用一个钩子

def call_hook(hook, context={}) 
    [].tap do |response| 
     hls = hook_listeners(hook) 
     if hls.any? 
     hls.each {|listener| response << listener.send(hook, context)} 
     end 
    end 
    end

我看到151线'''controller_issues_new_after_save'''看起来你已经安装的插件创建问题之后被调用，并指PARAMS。 – Noma4i

答

@Himanshu乌帕德亚雅代码，你能告诉你render_a ttachment_warning_if_needed，我认为它改变了你的@issue。

哪一个是你在该控制器中的行151。我需要知道。

请检查

NoMethodError（未定义方法`id'为零：NilClass）

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