Index: lucene/build.xml
===================================================================
--- lucene/build.xml	(revision 1389477)
+++ lucene/build.xml	(working copy)
@@ -225,9 +225,10 @@
   <target name="javadocs" description="Generate javadoc" depends="javadocs-lucene-core, javadocs-modules, javadocs-test-framework"/>
 
   <!-- we check for broken links across all documentation -->
-  <target name="documentation-lint" depends="compile-test-framework,documentation">
+  <target name="documentation-lint" depends="compile-test-framework,documentation,-ecj-resolve">
     <sequential>
       <subant target="-ecj-javadoc-lint" failonerror="true" inheritall="false">
+        <propertyset refid="uptodate.and.compiled.properties"/>
         <fileset dir="core" includes="build.xml"/>
         <fileset dir="test-framework" includes="build.xml"/>
       </subant>
Index: lucene/common-build.xml
===================================================================
--- lucene/common-build.xml	(revision 1389477)
+++ lucene/common-build.xml	(working copy)
@@ -1478,17 +1478,25 @@
 
   <target name="-ecj-javadoc-lint" depends="-ecj-javadoc-lint-src,-ecj-javadoc-lint-tests"/>
 
-  <target name="-ecj-javadoc-lint-src">
+  <target name="-ecj-javadoc-lint-src" depends="-ecj-resolve">
     <ecj-macro srcdir="${src.dir}" configuration="${common.dir}/tools/javadoc/ecj.javadocs.prefs">
       <classpath refid="classpath"/>
     </ecj-macro>
   </target>
 
-  <target name="-ecj-javadoc-lint-tests" if="module.has.tests">
+  <target name="-ecj-javadoc-lint-tests" depends="-ecj-resolve" if="module.has.tests">
     <ecj-macro srcdir="${tests.src.dir}" configuration="${common.dir}/tools/javadoc/ecj.javadocs.prefs">
       <classpath refid="test.classpath"/>
     </ecj-macro>
   </target>
+  
+  <target name="-ecj-resolve" unless="ecj.loaded" depends="ivy-availability-check,ivy-fail,ivy-configure">
+    <ivy:cachepath organisation="org.eclipse.jdt.core.compiler" module="ecj" revision="3.7.2"
+     inline="true" conf="master" type="jar" pathid="ecj.classpath" />
+    <componentdef classname="org.eclipse.jdt.core.JDTCompilerAdapter"
+     classpathref="ecj.classpath" name="ecj-component"/>
+    <property name="ecj.loaded" value="true"/>
+  </target>
 
   <macrodef name="ecj-macro">
     <attribute name="srcdir"/>
@@ -1499,22 +1507,20 @@
     <element name="nested" implicit="yes" optional="yes"/>
 
     <sequential>
-      <ivy:cachepath
-        organisation="org.eclipse.jdt.core.compiler" module="ecj"
-        revision="3.7.2" inline="true" conf="master" type="jar"
-        pathid="ecj.classpath" log="download-only" />
       <javac
-        compiler="org.eclipse.jdt.core.JDTCompilerAdapter"
         includeAntRuntime="@{includeantruntime}"
         encoding="${build.encoding}"
         srcdir="@{srcdir}"
         source="@{javac.source}"
-        target="@{javac.source}">
+        target="@{javac.source}"
+        taskname="ecj-lint">
+        <ecj-component/>
         <nested/>
-        <compilerclasspath>
-          <path refid="ecj.classpath"/>
-        </compilerclasspath>
-        <compilerarg line="-d none -enableJavadoc -properties @{configuration}"/>
+        <compilerarg value="-d"/>
+        <compilerarg value="none"/>
+        <compilerarg value="-enableJavadoc"/>
+        <compilerarg value="-properties"/>
+        <compilerarg value="@{configuration}"/>
       </javac>
     </sequential>
   </macrodef>
Index: solr/build.xml
===================================================================
--- solr/build.xml	(revision 1389477)
+++ solr/build.xml	(working copy)
@@ -522,8 +522,9 @@
 
   <!-- TODO: does solr have any other docs we should check? -->
   <!-- TODO: also integrate checkJavaDocs.py, which does more checks -->
-  <target name="documentation-lint" depends="compile-solr-test-framework,documentation">
+  <target name="documentation-lint" depends="compile-solr-test-framework,documentation,-ecj-resolve">
     <subant target="-ecj-javadoc-lint" failonerror="true" inheritall="false">
+      <propertyset refid="uptodate.and.compiled.properties"/>
       <fileset dir="core" includes="build.xml"/>
       <fileset dir="solrj" includes="build.xml"/>
       <fileset dir="test-framework" includes="build.xml"/>
Index: solr/solrj/build.xml
===================================================================
--- solr/solrj/build.xml	(revision 1389477)
+++ solr/solrj/build.xml	(working copy)
@@ -50,7 +50,7 @@
        (even though it doesnt compile with it) 
        TODO: would be nice to fix this up better, but its hard because of
        the different ways solr links to lucene javadocs -->
-  <target name="-ecj-javadoc-lint-src">
+  <target name="-ecj-javadoc-lint-src" depends="-ecj-resolve">
     <ecj-macro srcdir="${src.dir}" configuration="${common.dir}/tools/javadoc/ecj.javadocs.prefs">
       <classpath>
         <path refid="classpath"/>