diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
index def154171..361b455a0 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
@@ -70,4 +70,19 @@
          version="0.0.0"
          unpack="false"/>
 
+   <plugin
+         id="org.slf4j.impl.log4j12"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         fragment="true"
+         unpack="false"/>
+
+   <plugin
+         id="org.apache.log4j"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
 </feature>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.3.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.3.target
index 76361d88f..44be1e513 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.3.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.3.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.3" sequenceNumber="1424129461">
+<target name="jgit-4.3" sequenceNumber="1424129720">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="7.6.14.v20131031"/>
@@ -55,6 +55,8 @@
       <unit id="org.tukaani.xz.source" version="1.3.0.v201308270617"/>
       <unit id="org.slf4j.api" version="1.7.2.v20121108-1250"/>
       <unit id="org.slf4j.api.source" version="1.7.2.v20121108-1250"/>
+      <unit id="org.slf4j.impl.log4j12" version="1.7.2.v20131105-2200"/>
+      <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20150124073747/repository/"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.4.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.4.target
index 8f7053d05..38e25a416 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.4.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.4.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.4" sequenceNumber="1424129435">
+<target name="jgit-4.4" sequenceNumber="1424129605">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="7.6.14.v20131031"/>
@@ -55,6 +55,8 @@
       <unit id="org.tukaani.xz.source" version="1.3.0.v201308270617"/>
       <unit id="org.slf4j.api" version="1.7.2.v20121108-1250"/>
       <unit id="org.slf4j.api.source" version="1.7.2.v20121108-1250"/>
+      <unit id="org.slf4j.impl.log4j12" version="1.7.2.v20131105-2200"/>
+      <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20150124073747/repository/"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
index 4909416f7..e5d14330e 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.5" sequenceNumber="1424129206">
+<target name="jgit-4.5" sequenceNumber="1424129587">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="7.6.14.v20131031"/>
@@ -55,6 +55,8 @@
       <unit id="org.tukaani.xz.source" version="1.3.0.v201308270617"/>
       <unit id="org.slf4j.api" version="1.7.2.v20121108-1250"/>
       <unit id="org.slf4j.api.source" version="1.7.2.v20121108-1250"/>
+      <unit id="org.slf4j.impl.log4j12" version="1.7.2.v20131105-2200"/>
+      <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/S20150202203538/repository/"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20150124073747-Luna-SR2.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20150124073747-Luna-SR2.tpd
index 683a8c7ce..d79b41ade 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20150124073747-Luna-SR2.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20150124073747-Luna-SR2.tpd
@@ -34,4 +34,6 @@ location "http://download.eclipse.org/tools/orbit/downloads/drops/R2015012407374
 	org.tukaani.xz.source [1.3.0.v201308270617,1.3.0.v201308270617]
 	org.slf4j.api [1.7.2.v20121108-1250,1.7.2.v20121108-1250]
 	org.slf4j.api.source [1.7.2.v20121108-1250,1.7.2.v20121108-1250]
+	org.slf4j.impl.log4j12 [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
+	org.slf4j.impl.log4j12.source [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
 }
\ No newline at end of file
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20150202203538-Mars-M5.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20150202203538-Mars-M5.tpd
index 415fdca5d..3ec1001c9 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20150202203538-Mars-M5.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20150202203538-Mars-M5.tpd
@@ -34,4 +34,6 @@ location "http://download.eclipse.org/tools/orbit/downloads/drops/S2015020220353
 	org.tukaani.xz.source [1.3.0.v201308270617,1.3.0.v201308270617]
 	org.slf4j.api [1.7.2.v20121108-1250,1.7.2.v20121108-1250]
 	org.slf4j.api.source [1.7.2.v20121108-1250,1.7.2.v20121108-1250]
+	org.slf4j.impl.log4j12 [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
+	org.slf4j.impl.log4j12.source [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
 }
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 128d79377..a60d863d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -190,6 +190,7 @@
     <clirr-version>2.6.1</clirr-version>
     <httpclient-version>4.1.3</httpclient-version>
     <slf4j-version>1.7.2</slf4j-version>
+    <log4j-version>1.2.15</log4j-version>
     <maven-javadoc-plugin-version>2.9.1</maven-javadoc-plugin-version>
 
     <!-- Properties to enable jacoco code coverage analysis -->
@@ -544,11 +545,24 @@
         <artifactId>httpclient</artifactId>
         <version>${httpclient-version}</version>
       </dependency>
+
       <dependency>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-api</artifactId>
         <version>${slf4j-version}</version>
       </dependency>
+
+      <dependency>
+        <groupId>org.slf4j</groupId>
+        <artifactId>slf4j-log4j12</artifactId>
+        <version>${slf4j-version}</version>
+      </dependency>
+
+      <dependency>
+        <groupId>log4j</groupId>
+        <artifactId>log4j</artifactId>
+        <version>${log4j-version}</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>