diff --git a/build.sbt b/build.sbt
index 8f35bc84c071f04a473a614e23c63562734396f5..428ef36b76577fbd0ebafcc1c3e47dca722b20d2 100755
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ lazy val commonSettings = Seq(
   version          := "1.1",
   organization     := "fr.univ-lille.cristal",
   scalaVersion     := "2.11.6",
-  scalacOptions    := Seq("-unchecked", "-deprecation", "-encoding", "utf8", "-language:postfixOps"),
+  scalacOptions    := Seq("-unchecked", "-deprecation", "-encoding", "utf8", "-language:postfixOps", "-Xmax-classfile-name","78"),
 
  /********************************************************************************************************************
   * Dependecy information
diff --git a/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/AERLabelViewer.scala b/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/AERLabelViewer.scala
index ad4a5450ed2b90730f9100a886f0dabf7fe26c4b..810b02f476e5ddc12ae08e3d2bcf3cfd3d205baf 100755
--- a/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/AERLabelViewer.scala
+++ b/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/AERLabelViewer.scala
@@ -39,7 +39,7 @@ class AERLabelViewerView(aerFile : String, labelFile : String) extends JFrame {
 
   setVisible(true)
   setSize(400, 400)
-  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)
+  setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE)
 
   val frame = this
   addKeyListener(new KeyListener {
diff --git a/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/ActivityViewver.scala b/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/ActivityViewver.scala
index 5e994bc415e1774a389dc3eefc3f46506fce0c95..1607388ec7894f64d8dd4b968c8728eb8277f2a9 100644
--- a/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/ActivityViewver.scala
+++ b/n2s3_examples/src/main/scala/fr/univ_lille/cristal/emeraude/n2s3/apps/tool/ActivityViewver.scala
@@ -96,7 +96,7 @@ class ActivityViewer(filename : String, xIndex : Int, yIndex : Int, valueFunctio
 
   setSize(300, 400)
   setVisible(true)
-  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)
+  setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE)
 
 
   // Data