Java7 to Java8 upgrde
diff --git a/java/pom.xml b/java/pom.xml
index a69396c..d73e269 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -162,7 +162,7 @@
         <version>2.3.2</version>
         <configuration>
           <source>1.7</source>
-	  <target>1.7</target>
+	  <target>1.8</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/common/pom.xml b/tools/java/common/pom.xml
index 9c9afb3..9262544 100644
--- a/tools/java/common/pom.xml
+++ b/tools/java/common/pom.xml
@@ -32,7 +32,7 @@
         <version>2.0.2</version>
         <configuration>
           <source>1.7</source>
-          <target>1.7</target>
+          <target>1.8</target>
           <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/cpp-build/pom.xml b/tools/java/cpp-build/pom.xml
index 6373ef7..6d7ec50 100644
--- a/tools/java/cpp-build/pom.xml
+++ b/tools/java/cpp-build/pom.xml
@@ -28,7 +28,7 @@
         <version>2.0.2</version>
         <configuration>
           <source>1.7</source>
-	  <target>1.7</target>
+	  <target>1.8</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/data/pom.xml b/tools/java/data/pom.xml
index e5992c8..42a05c4 100644
--- a/tools/java/data/pom.xml
+++ b/tools/java/data/pom.xml
@@ -50,7 +50,7 @@
         <version>2.0.2</version>
         <configuration>
           <source>1.7</source>
-	  <target>1.7</target>
+	  <target>1.8</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/tools/java/java-build/pom.xml b/tools/java/java-build/pom.xml
index 92eca06..522f244 100644
--- a/tools/java/java-build/pom.xml
+++ b/tools/java/java-build/pom.xml
@@ -50,7 +50,7 @@
         <version>2.0.2</version>
         <configuration>
           <source>1.7</source>
-	  <target>1.7</target>
+	  <target>1.8</target>
 	  <encoding>UTF-8</encoding>
         </configuration>
       </plugin>