Correction d'un problème avec un rollback placé dans un finally

Policy failures:   
Code warning
- failed on resource ArticleManagerBean.java. Reason: Type safety: The expression of type List needs unchecked conversion to conform to List<Article>, line 15
Override reason:   
yesss

YACOSCore/ejbModule/org/yacos/core/article/ArticleManagerBean.java

@@ -86,12 +86,12 @@ public class ArticleManagerBean implements IArticleManager, Serializable {
 			persistentArticle.setSecondaryAuthors(article.getSecondaryAuthors());
 			ut.commit();
 		} catch (Exception e) {
-			e.printStackTrace();
-		} finally {
 			try {
 				ut.rollback();
-			} catch (Exception e) {
 				e.printStackTrace();
+			} catch (Exception e1) {
+				// TODO Auto-generated catch block
+				e1.printStackTrace();
 			}
 		}
 	}
@@ -168,6 +168,7 @@ public class ArticleManagerBean implements IArticleManager, Serializable {
 			} catch (Exception e1) {
 				e1.printStackTrace();
 			}
+			e.printStackTrace();
 		}
 		//article.addPCMember(PCMember);
 	}
@@ -187,6 +188,7 @@ public class ArticleManagerBean implements IArticleManager, Serializable {
 			} catch (Exception e1) {
 				e1.printStackTrace();
 			}
+			e.printStackTrace();
 		}
 	}
 	
@@ -234,6 +236,7 @@ public class ArticleManagerBean implements IArticleManager, Serializable {
 			} catch (Exception e1) {
 				e1.printStackTrace();
 			}
+			e.printStackTrace();
 		}
 		return null;
 	}
@@ -331,6 +334,11 @@ public class ArticleManagerBean implements IArticleManager, Serializable {
 				em.persist(role);
 				ut.commit();
 			} catch (Exception e) {
+				try {
+					ut.rollback();
+				} catch (Exception e1) {
+					e1.printStackTrace();
+				}
 				e.printStackTrace();
 			}
 		}