diff --git a/compiler/cpp/src/generate/t_java_generator.cc b/compiler/cpp/src/generate/t_java_generator.cc
index d6329c8..32e9b54 100644
--- a/compiler/cpp/src/generate/t_java_generator.cc
+++ b/compiler/cpp/src/generate/t_java_generator.cc
@@ -294,7 +294,8 @@
     "import java.util.HashSet;\n" +
     "import java.util.Collections;\n" +
     "import java.util.BitSet;\n" +
-    "import org.apache.log4j.Logger;\n\n";
+    "import org.slf4j.Logger;\n" +
+    "import org.slf4j.LoggerFactory;\n\n";
 }
 
 /**
@@ -1932,7 +1933,7 @@
     "public static class Processor" << extends_processor << " implements TProcessor {" << endl;
   indent_up();
 
-  indent(f_service_) << "private static final Logger LOGGER = Logger.getLogger(Processor.class.getName());" << endl;
+  indent(f_service_) << "private static final Logger LOGGER = LoggerFactory.getLogger(Processor.class.getName());" << endl;
 
   indent(f_service_) <<
     "public Processor(Iface iface)" << endl;
diff --git a/configure.ac b/configure.ac
index 8951750..6ab49db 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,11 +70,13 @@
 if test "$with_java" = "yes";  then
   AX_JAVAC_AND_JAVA
   AC_PATH_PROG([ANT], [ant])
-  AX_CHECK_JAVA_CLASS(org.apache.log4j.Logger)
-  have_log4j="$success"
+  AX_CHECK_JAVA_CLASS(org.slf4j.Logger)
+  have_slf4j="$success"
+  AX_CHECK_JAVA_CLASS(org.slf4j.impl.SimpleLogger)
+  have_slf4j_simple="$success"
   AX_CHECK_JAVA_CLASS(org.apache.commons.lang.builder.HashCodeBuilder)
   have_hashcode="$success"
-  if test "x$have_log4j" = "xyes" && test "x$have_hashcode" = "xyes" ; then
+  if test "x$have_slf4j_simple" = "xyes" && test "x$have_slf4j" = "xyes" && test "x$have_hashcode" = "xyes" ; then
     ANT_FLAGS="$ANT_FLAGS -Dnoivy="
   fi
   AC_SUBST(CLASSPATH)
diff --git a/lib/java/ivy.xml b/lib/java/ivy.xml
index 0b1be5d..64203b9 100644
--- a/lib/java/ivy.xml
+++ b/lib/java/ivy.xml
@@ -1,7 +1,8 @@
 <ivy-module version="1.0">
     <info organisation="jayasoft" module="hello-ivy" />
     <dependencies>
-       <dependency org="log4j" name="log4j" rev="1.2.15" conf="default->master"/> 
+       <dependency org="org.slf4j" name="slf4j-api" rev="1.5.8" conf="* -> *,!sources,!javadoc"/>
+       <dependency org="org.slf4j" name="slf4j-simple" rev="1.5.8" conf="* -> *,!sources,!javadoc"/>
        <dependency org="commons-lang" name="commons-lang" rev="2.4" conf="* -> *,!sources,!javadoc"/>
     </dependencies>
 </ivy-module>
diff --git a/lib/java/src/org/apache/thrift/server/TNonblockingServer.java b/lib/java/src/org/apache/thrift/server/TNonblockingServer.java
index 6d040a7..02fed33 100644
--- a/lib/java/src/org/apache/thrift/server/TNonblockingServer.java
+++ b/lib/java/src/org/apache/thrift/server/TNonblockingServer.java
@@ -30,7 +30,8 @@
 import java.util.Iterator;
 import java.util.Set;
 
-import org.apache.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import org.apache.thrift.TByteArrayOutputStream;
 import org.apache.thrift.TException;
@@ -59,7 +60,7 @@
  */
 public class TNonblockingServer extends TServer {
   private static final Logger LOGGER =
-    Logger.getLogger(TNonblockingServer.class.getName());
+    LoggerFactory.getLogger(TNonblockingServer.class.getName());
 
   // Flag for stopping the server
   private volatile boolean stopped_;
diff --git a/lib/java/src/org/apache/thrift/server/TSimpleServer.java b/lib/java/src/org/apache/thrift/server/TSimpleServer.java
index b3ee5ad..585865c 100644
--- a/lib/java/src/org/apache/thrift/server/TSimpleServer.java
+++ b/lib/java/src/org/apache/thrift/server/TSimpleServer.java
@@ -28,7 +28,9 @@
 import org.apache.thrift.transport.TTransport;
 import org.apache.thrift.transport.TTransportFactory;
 import org.apache.thrift.transport.TTransportException;
-import org.apache.log4j.Logger;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Simple singlethreaded server for testing.
@@ -36,7 +38,7 @@
  */
 public class TSimpleServer extends TServer {
 
-  private static final Logger LOGGER = Logger.getLogger(TSimpleServer.class.getName());
+  private static final Logger LOGGER = LoggerFactory.getLogger(TSimpleServer.class.getName());
 
   private boolean stopped_ = false;
 
diff --git a/lib/java/src/org/apache/thrift/server/TThreadPoolServer.java b/lib/java/src/org/apache/thrift/server/TThreadPoolServer.java
index ebc5a9b..5b442a0 100644
--- a/lib/java/src/org/apache/thrift/server/TThreadPoolServer.java
+++ b/lib/java/src/org/apache/thrift/server/TThreadPoolServer.java
@@ -29,8 +29,9 @@
 import org.apache.thrift.transport.TTransport;
 import org.apache.thrift.transport.TTransportException;
 import org.apache.thrift.transport.TTransportFactory;
-import org.apache.log4j.Logger;
-import org.apache.log4j.Level;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -46,7 +47,7 @@
  */
 public class TThreadPoolServer extends TServer {
 
-  private static final Logger LOGGER = Logger.getLogger(TThreadPoolServer.class.getName());
+  private static final Logger LOGGER = LoggerFactory.getLogger(TThreadPoolServer.class.getName());
 
   // Executor service for handling client connections
   private ExecutorService executorService_;
diff --git a/lib/java/src/org/apache/thrift/transport/TIOStreamTransport.java b/lib/java/src/org/apache/thrift/transport/TIOStreamTransport.java
index 89cdb58..fa5b6d7 100644
--- a/lib/java/src/org/apache/thrift/transport/TIOStreamTransport.java
+++ b/lib/java/src/org/apache/thrift/transport/TIOStreamTransport.java
@@ -19,7 +19,8 @@
 
 package org.apache.thrift.transport;
 
-import org.apache.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -34,7 +35,7 @@
  */
 public class TIOStreamTransport extends TTransport {
 
-  private static final Logger LOGGER = Logger.getLogger(TIOStreamTransport.class.getName());
+  private static final Logger LOGGER = LoggerFactory.getLogger(TIOStreamTransport.class.getName());
 
   /** Underlying inputStream */
   protected InputStream inputStream_ = null;
diff --git a/lib/java/src/org/apache/thrift/transport/TServerSocket.java b/lib/java/src/org/apache/thrift/transport/TServerSocket.java
index 796cd65..3eca7bc 100644
--- a/lib/java/src/org/apache/thrift/transport/TServerSocket.java
+++ b/lib/java/src/org/apache/thrift/transport/TServerSocket.java
@@ -19,7 +19,8 @@
 
 package org.apache.thrift.transport;
 
-import org.apache.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -33,7 +34,7 @@
  */
 public class TServerSocket extends TServerTransport {
 
-  private static final Logger LOGGER = Logger.getLogger(TServerSocket.class.getName());
+  private static final Logger LOGGER = LoggerFactory.getLogger(TServerSocket.class.getName());
 
   /**
    * Underlying serversocket object
diff --git a/lib/java/src/org/apache/thrift/transport/TSocket.java b/lib/java/src/org/apache/thrift/transport/TSocket.java
index cdf1bcc..75ceddc 100644
--- a/lib/java/src/org/apache/thrift/transport/TSocket.java
+++ b/lib/java/src/org/apache/thrift/transport/TSocket.java
@@ -19,7 +19,8 @@
 
 package org.apache.thrift.transport;
 
-import org.apache.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ -34,7 +35,7 @@
  */
 public class TSocket extends TIOStreamTransport {
 
-  private static final Logger LOGGER = Logger.getLogger(TSocket.class.getName());
+  private static final Logger LOGGER = LoggerFactory.getLogger(TSocket.class.getName());
 
   /**
    * Wrapped Socket object