--- misc/build/lucene-2.9.4/common-build.xml	2018-03-05 06:13:00.041924900 +0200
+++ misc/build/lucene-2.9.4/common-build.xml	2018-03-05 06:34:48.448742000 +0200
@@ -58,8 +58,8 @@
 
   <property name="javac.deprecation" value="off"/>
   <property name="javac.debug" value="on"/>
-  <property name="javac.source" value="1.4"/>
-  <property name="javac.target" value="1.4"/>
+  <property name="javac.source" value="1.6"/>
+  <property name="javac.target" value="1.6"/>
 
   <property name="javadoc.link" value="http://java.sun.com/j2se/1.4/docs/api/"/>
   <property name="javadoc.access" value="protected"/>
--- misc/build/lucene-2.9.4/contrib/analyzers/common/build.xml	2010-11-28 02:22:13.000000000 +0200
+++ misc/build/lucene-2.9.4/contrib/analyzers/common/build.xml	2018-03-05 06:39:48.913151800 +0200
@@ -23,8 +23,8 @@
     Additional Analyzers
   </description>
 
-  <property name="javac.source" value="1.4" />
-  <property name="javac.target" value="1.4" />
+  <property name="javac.source" value="1.6" />
+  <property name="javac.target" value="1.6" />
 	
   <property name="build.dir" location="../../../build/contrib/analyzers/common" />
   <property name="dist.dir" location="../../../dist/contrib/analyzers/common" />
--- misc/build/lucene-2.9.4/contrib/analyzers/smartcn/build.xml	2010-11-28 02:22:11.000000000 +0200
+++ misc/build/lucene-2.9.4/contrib/analyzers/smartcn/build.xml	2018-03-05 06:41:07.207097100 +0200
@@ -23,8 +23,8 @@
     Smart Chinese Analyzer
   </description>
 
-  <property name="javac.source" value="1.4" />
-  <property name="javac.target" value="1.4" />
+  <property name="javac.source" value="1.6" />
+  <property name="javac.target" value="1.6" />
 	
   <property name="build.dir" location="../../../build/contrib/analyzers/smartcn" />
   <property name="dist.dir" location="../../../dist/contrib/analyzers/smartcn" />