diff --git a/plugins/org.eclipse.actf.visualization.blind.html/.classpath b/plugins/org.eclipse.actf.visualization.blind.html/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.blind.html/.classpath
+++ b/plugins/org.eclipse.actf.visualization.blind.html/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.blind.html/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.blind.html/META-INF/MANIFEST.MF
index f8cb605..35d6786 100644
--- a/plugins/org.eclipse.actf.visualization.blind.html/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.blind.html/META-INF/MANIFEST.MF
@@ -6,5 +6,5 @@
 Bundle-Vendor: Eclipse ACTF Project
 Bundle-Localization: plugin
 Fragment-Host: org.eclipse.actf.visualization.blind;bundle-version="0.0.1"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.blind.html
diff --git a/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/.classpath b/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/.classpath
+++ b/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/META-INF/MANIFEST.MF
index be50e2b..dc2bad8 100644
--- a/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.blind.odfbyhtml/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Vendor: Eclipse ACTF Project
 Bundle-Localization: plugin
 Fragment-Host: org.eclipse.actf.visualization.blind;bundle-version="0.0.1"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Require-Bundle: org.eclipse.actf.model.ui.editors.ooo,
  org.eclipse.actf.model.ui.editors.ooo.initializer
 Automatic-Module-Name: org.eclipse.actf.visualization.blind.odfbyhtml
diff --git a/plugins/org.eclipse.actf.visualization.blind/.classpath b/plugins/org.eclipse.actf.visualization.blind/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.blind/.classpath
+++ b/plugins/org.eclipse.actf.visualization.blind/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.blind/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.blind/META-INF/MANIFEST.MF
index 604fa9b..4ace74a 100644
--- a/plugins/org.eclipse.actf.visualization.blind/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.blind/META-INF/MANIFEST.MF
@@ -18,5 +18,5 @@
  com.ibm.icu
 Bundle-ActivationPolicy: lazy
 Export-Package: org.eclipse.actf.visualization.blind
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.blind
diff --git a/plugins/org.eclipse.actf.visualization.engines.blind.html/.classpath b/plugins/org.eclipse.actf.visualization.engines.blind.html/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.engines.blind.html/.classpath
+++ b/plugins/org.eclipse.actf.visualization.engines.blind.html/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.engines.blind.html/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.engines.blind.html/META-INF/MANIFEST.MF
index a662142..d64f8f6 100644
--- a/plugins/org.eclipse.actf.visualization.engines.blind.html/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.engines.blind.html/META-INF/MANIFEST.MF
@@ -19,5 +19,5 @@
  org.eclipse.actf.visualization.engines.blind.html.ui.actions,
  org.eclipse.actf.visualization.engines.blind.html.ui.elementViewer,
  org.eclipse.actf.visualization.engines.blind.html.util
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.engines.blind.html
diff --git a/plugins/org.eclipse.actf.visualization.engines.blind/.classpath b/plugins/org.eclipse.actf.visualization.engines.blind/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.engines.blind/.classpath
+++ b/plugins/org.eclipse.actf.visualization.engines.blind/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.engines.blind/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.engines.blind/META-INF/MANIFEST.MF
index d2e7318..2f079b6 100644
--- a/plugins/org.eclipse.actf.visualization.engines.blind/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.engines.blind/META-INF/MANIFEST.MF
@@ -18,5 +18,5 @@
 Export-Package: org.eclipse.actf.visualization.engines.blind,
  org.eclipse.actf.visualization.engines.blind.eval,
  org.eclipse.actf.visualization.engines.blind.ui.actions
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.engines.blind
diff --git a/plugins/org.eclipse.actf.visualization.engines.lowvision/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.engines.lowvision/META-INF/MANIFEST.MF
index 7bf7c77..282e770 100644
--- a/plugins/org.eclipse.actf.visualization.engines.lowvision/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.engines.lowvision/META-INF/MANIFEST.MF
@@ -15,5 +15,5 @@
 Export-Package: org.eclipse.actf.visualization.engines.lowvision,
  org.eclipse.actf.visualization.engines.lowvision.image
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.engines.lowvision
diff --git a/plugins/org.eclipse.actf.visualization.engines.voicebrowser/.classpath b/plugins/org.eclipse.actf.visualization.engines.voicebrowser/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.engines.voicebrowser/.classpath
+++ b/plugins/org.eclipse.actf.visualization.engines.voicebrowser/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.engines.voicebrowser/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.engines.voicebrowser/META-INF/MANIFEST.MF
index 576e0f7..02c7ab4 100644
--- a/plugins/org.eclipse.actf.visualization.engines.voicebrowser/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.engines.voicebrowser/META-INF/MANIFEST.MF
@@ -8,5 +8,5 @@
  org.eclipse.core.runtime,
  org.eclipse.actf.ai.voice
 Export-Package: org.eclipse.actf.visualization.engines.voicebrowser
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.engines.voicebrowser
diff --git a/plugins/org.eclipse.actf.visualization.eval/.classpath b/plugins/org.eclipse.actf.visualization.eval/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.eval/.classpath
+++ b/plugins/org.eclipse.actf.visualization.eval/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.eval/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.eval/META-INF/MANIFEST.MF
index 7fa9ce1..9594256 100644
--- a/plugins/org.eclipse.actf.visualization.eval/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.eval/META-INF/MANIFEST.MF
@@ -17,5 +17,5 @@
  org.eclipse.actf.visualization.eval.html,
  org.eclipse.actf.visualization.eval.html.statistics,
  org.eclipse.actf.visualization.eval.problem
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.eval
diff --git a/plugins/org.eclipse.actf.visualization.flash/.classpath b/plugins/org.eclipse.actf.visualization.flash/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.flash/.classpath
+++ b/plugins/org.eclipse.actf.visualization.flash/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.flash/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.flash/META-INF/MANIFEST.MF
index 9cb98eb..0da1050 100644
--- a/plugins/org.eclipse.actf.visualization.flash/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.flash/META-INF/MANIFEST.MF
@@ -16,5 +16,5 @@
  org.eclipse.actf.util.win32.comclutch,
  com.ibm.icu
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.flash
diff --git a/plugins/org.eclipse.actf.visualization.gui/.classpath b/plugins/org.eclipse.actf.visualization.gui/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.gui/.classpath
+++ b/plugins/org.eclipse.actf.visualization.gui/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.gui/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.gui/META-INF/MANIFEST.MF
index b07f264..613cf90 100644
--- a/plugins/org.eclipse.actf.visualization.gui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.gui/META-INF/MANIFEST.MF
@@ -18,5 +18,5 @@
  com.ibm.icu
 Bundle-ActivationPolicy: lazy
 Export-Package:  org.eclipse.actf.visualization.gui
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.gui
diff --git a/plugins/org.eclipse.actf.visualization.lowvision/.classpath b/plugins/org.eclipse.actf.visualization.lowvision/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.lowvision/.classpath
+++ b/plugins/org.eclipse.actf.visualization.lowvision/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.lowvision/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.lowvision/META-INF/MANIFEST.MF
index 78c78ed..0fea70a 100644
--- a/plugins/org.eclipse.actf.visualization.lowvision/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.lowvision/META-INF/MANIFEST.MF
@@ -17,5 +17,5 @@
  org.eclipse.actf.model.dom.dombycom,
  org.eclipse.actf.util.vocab
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.lowvision
diff --git a/plugins/org.eclipse.actf.visualization.presentation/.classpath b/plugins/org.eclipse.actf.visualization.presentation/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.presentation/.classpath
+++ b/plugins/org.eclipse.actf.visualization.presentation/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.presentation/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.presentation/META-INF/MANIFEST.MF
index ce69a45..0deb37e 100644
--- a/plugins/org.eclipse.actf.visualization.presentation/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.presentation/META-INF/MANIFEST.MF
@@ -15,5 +15,5 @@
  org.eclipse.actf.ui
 Bundle-ActivationPolicy: lazy
 Export-Package: org.eclipse.actf.visualization.presentation
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.presentation
diff --git a/plugins/org.eclipse.actf.visualization.sdk/.classpath b/plugins/org.eclipse.actf.visualization.sdk/.classpath
index 075009d..c835067 100644
--- a/plugins/org.eclipse.actf.visualization.sdk/.classpath
+++ b/plugins/org.eclipse.actf.visualization.sdk/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.ui.pdt/.classpath b/plugins/org.eclipse.actf.visualization.ui.pdt/.classpath
index eca7bdb..64c5e31 100644
--- a/plugins/org.eclipse.actf.visualization.ui.pdt/.classpath
+++ b/plugins/org.eclipse.actf.visualization.ui.pdt/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/plugins/org.eclipse.actf.visualization.ui.pdt/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.ui.pdt/META-INF/MANIFEST.MF
index e11e4b4..103f902 100644
--- a/plugins/org.eclipse.actf.visualization.ui.pdt/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.ui.pdt/META-INF/MANIFEST.MF
@@ -4,7 +4,7 @@
 Bundle-SymbolicName: org.eclipse.actf.visualization.ui.pdt;singleton:=true
 Bundle-Version: 1.5.1.qualifier
 Bundle-Vendor: Eclipse ACTF Project
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-localization: plugin
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.ui,
diff --git a/plugins/org.eclipse.actf.visualization.ui.report/.classpath b/plugins/org.eclipse.actf.visualization.ui.report/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization.ui.report/.classpath
+++ b/plugins/org.eclipse.actf.visualization.ui.report/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization.ui.report/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization.ui.report/META-INF/MANIFEST.MF
index b243700..b113264 100644
--- a/plugins/org.eclipse.actf.visualization.ui.report/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization.ui.report/META-INF/MANIFEST.MF
@@ -13,5 +13,5 @@
  org.eclipse.actf.ui
 Bundle-ActivationPolicy: lazy
 Export-Package: org.eclipse.actf.visualization.ui.report.table
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization.ui.report
diff --git a/plugins/org.eclipse.actf.visualization.ui.wst/.classpath b/plugins/org.eclipse.actf.visualization.ui.wst/.classpath
index 075009d..c835067 100644
--- a/plugins/org.eclipse.actf.visualization.ui.wst/.classpath
+++ b/plugins/org.eclipse.actf.visualization.ui.wst/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization/.classpath b/plugins/org.eclipse.actf.visualization/.classpath
index 22f3064..304e861 100644
--- a/plugins/org.eclipse.actf.visualization/.classpath
+++ b/plugins/org.eclipse.actf.visualization/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.actf.visualization/META-INF/MANIFEST.MF b/plugins/org.eclipse.actf.visualization/META-INF/MANIFEST.MF
index e71599f..ab10c96 100644
--- a/plugins/org.eclipse.actf.visualization/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.actf.visualization/META-INF/MANIFEST.MF
@@ -11,5 +11,5 @@
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.ui,
  org.eclipse.actf.mediator;visibility:=reexport
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Automatic-Module-Name: org.eclipse.actf.visualization