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POEntityNotFoundException in doctrine 2 proxy class
 

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    <p>What are the possible causes of EntityNotFoundException while accessing the proxy class properties in doctrine 2? Anyway, the following is my entities' structure:</p> <pre><code>/** * @ORM\Table(name="comments") * * @ORM\InheritanceType("JOINED") * @ORM\DiscriminatorColumn(name="comment_type", type="smallint") * @ORM\DiscriminatorMap({ * 1 = "VisitorComment", * 2 = "MemberComment" * }) */ class Comment { //with common properties of its subclasses } </code></pre> <p>subclasses are as follows:</p> <pre><code>/** * @ORM\Table(name="member_comments") */ class MemberComment extends Comment { /** * owning side * * @var Member $author * * @ORM\ManyToOne(targetEntity="Member") * @ORM\JoinColumn(name="author_id", referencedColumnName="id", nullable=false) */ private $author; /** * Set author * * @param Member $author */ public function setAuthor($author) { $this-&gt;author = $author; } /** * Get author * * @return Member */ public function getAuthor() { return $this-&gt;author; } } /** * @ORM\Table(name="visitor_comments") */ class VisitorComment extends Comment { /** * owning side * * @var Visitor $author * * @ORM\ManyToOne(targetEntity="Visitor") * @ORM\JoinColumn(name="author_id", referencedColumnName="id", nullable=false) */ private $author; /** * Set author * * @param string $author */ public function setAuthor($author) { $this-&gt;author = $author; } /** * Get author * * @return Visitor */ public function getAuthor() { return $this-&gt;author; } } </code></pre> <p>The exception occurs when I call $comment->getAuthor()->getFirstName() &lt;<em>assuming that author which is either a Member or Visitor entity has firstName property</em>>. The getAuthor() in this case returns a proxy class of either VisitorProxy or MemberProxy. </p> <p>Kindly help me. I'm still new to doctrine.</p>
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    1. COIt was my fault. Since i still manually add my data in database, i mistakenly interchanged the visitor to member comment and member to visitor comment as the author.
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