php - Symfony 2, strange error with starting server -


i have little problem symfony 2. now, when try launch server pops following error. read associated file service.xml. can tell me wrong?

file service.xml:

<?xml version="1.0" ?> <container xmlns="http://symfony.com/schema/dic/services"     xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"     xsi:schemalocation="http://symfony.com/schema/dic/services                         http://symfony.com/schema/dic/services/services-1.0.xsd">      <parameters>         <parameter key="rest_demo.note.handler.class">             rest\demobundle\handler\notehandler         </parameter>         <parameter key="rest_demo.note.class">             rest\demobundle\entity\note</parameter>     </parameters>      <services>         <service id="rest_demo.note.handler" class="%rest_demo.note.handler.class%">             <argument type="service" id="doctrine.orm.entity_manager" />             <argument>%rest_demo.note.class%</argument>             <argument type="service" id="form.factory"></argument>         </service>     </services>  </container>

error:

 [symfony\component\dependencyinjection\exception\invalidargumentexception]     "'                                                                                         rest\\demobundle\\handler\\notehandler                                     '" not valid class name "rest_demo.note.handle            r" service.

xml config doesn't work whitespace, should write config without empty spaces, this:

<parameter key="rest_demo.note.handler.class">rest\demobundle\handler\notehandler</parameter>

from doc page:

the values between parameter tags in xml configuration files not trimmed. means following configuration sample have value \n sendmail\n:

<parameter key="mailer.transport">     sendmail </parameter>

in cases (for constants or class names), throw errors. in order prevent this, must inline parameters follow:

<parameter key="mailer.transport">sendmail</parameter>

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