diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/api/CommitCommand.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/api/CommitCommand.java
index c25de01d0..565ce4769 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/api/CommitCommand.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/api/CommitCommand.java
@@ -73,8 +73,8 @@ import com.fr.third.eclipse.jgit.treewalk.FileTreeIterator;
 import com.fr.third.eclipse.jgit.treewalk.TreeWalk;
 import com.fr.third.eclipse.jgit.treewalk.TreeWalk.OperationType;
 import com.fr.third.eclipse.jgit.util.ChangeIdUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * A class used to execute a {@code Commit} command. It has setters for all
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/dircache/DirCacheCheckout.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/dircache/DirCacheCheckout.java
index 8694abb38..8334c5f17 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/dircache/DirCacheCheckout.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/dircache/DirCacheCheckout.java
@@ -75,8 +75,8 @@ import com.fr.third.eclipse.jgit.util.IntList;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
 import com.fr.third.eclipse.jgit.util.SystemReader;
 import com.fr.third.eclipse.jgit.util.io.EolStreamTypeUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * This class handles checking out one or two trees merging with the index.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/FastIgnoreRule.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/FastIgnoreRule.java
index cb3f623de..33ce605aa 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/FastIgnoreRule.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/FastIgnoreRule.java
@@ -19,8 +19,8 @@ import java.text.MessageFormat;
 import com.fr.third.eclipse.jgit.errors.InvalidPatternException;
 import com.fr.third.eclipse.jgit.ignore.internal.PathMatcher;
 import com.fr.third.eclipse.jgit.internal.JGitText;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * "Fast" (compared with IgnoreRule) git ignore rule implementation supporting
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/IgnoreNode.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/IgnoreNode.java
index f98b29966..de156f6be 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/IgnoreNode.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/ignore/IgnoreNode.java
@@ -23,8 +23,8 @@ import java.util.List;
 import com.fr.third.eclipse.jgit.annotations.Nullable;
 import com.fr.third.eclipse.jgit.errors.InvalidPatternException;
 import com.fr.third.eclipse.jgit.internal.JGitText;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Represents a bundle of ignore rules inherited from a base directory.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/diffmergetool/ToolException.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/diffmergetool/ToolException.java
index a4510354c..35536849b 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/diffmergetool/ToolException.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/diffmergetool/ToolException.java
@@ -12,8 +12,8 @@ package com.fr.third.eclipse.jgit.internal.diffmergetool;
 
 import com.fr.third.eclipse.jgit.util.FS.ExecutionResult;
 import com.fr.third.eclipse.jgit.util.SystemReader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Tool exception for differentiation.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileRepository.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileRepository.java
index 67cddbbea..5290bc697 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileRepository.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileRepository.java
@@ -66,8 +66,8 @@ import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
 import com.fr.third.eclipse.jgit.util.StringUtils;
 import com.fr.third.eclipse.jgit.util.SystemReader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Represents a Git repository. A repository holds all objects and refs used for
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileSnapshot.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileSnapshot.java
index 1f82337c2..97cabfce8 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileSnapshot.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/FileSnapshot.java
@@ -28,8 +28,8 @@ import java.util.concurrent.TimeUnit;
 import com.fr.third.eclipse.jgit.annotations.NonNull;
 import com.fr.third.eclipse.jgit.util.FS;
 import com.fr.third.eclipse.jgit.util.FS.FileStoreAttributes;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Caches when a file was last read, making it possible to detect future edits.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/GC.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/GC.java
index 93a05c6e5..812ab484d 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/GC.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/GC.java
@@ -87,8 +87,8 @@ import com.fr.third.eclipse.jgit.treewalk.filter.TreeFilter;
 import com.fr.third.eclipse.jgit.util.FileUtils;
 import com.fr.third.eclipse.jgit.util.GitDateParser;
 import com.fr.third.eclipse.jgit.util.SystemReader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * A garbage collector for git
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LockFile.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LockFile.java
index 1f7384c74..ff11650fa 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LockFile.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LockFile.java
@@ -36,8 +36,8 @@ import com.fr.third.eclipse.jgit.lib.ObjectId;
 import com.fr.third.eclipse.jgit.util.FS;
 import com.fr.third.eclipse.jgit.util.FS.LockToken;
 import com.fr.third.eclipse.jgit.util.FileUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Git style file locking and replacement.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LooseObjects.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LooseObjects.java
index dfdfa9c86..47b077e98 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LooseObjects.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/LooseObjects.java
@@ -28,8 +28,8 @@ import com.fr.third.eclipse.jgit.lib.Constants;
 import com.fr.third.eclipse.jgit.lib.ObjectId;
 import com.fr.third.eclipse.jgit.lib.ObjectLoader;
 import com.fr.third.eclipse.jgit.util.FileUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Traditional file system based loose objects handler.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/Pack.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/Pack.java
index 994df1f39..2cad11814 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/Pack.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/Pack.java
@@ -59,8 +59,8 @@ import com.fr.third.eclipse.jgit.lib.ObjectLoader;
 import com.fr.third.eclipse.jgit.util.LongList;
 import com.fr.third.eclipse.jgit.util.NB;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * A Git version 2 pack file representation. A pack file contains Git objects in
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/PackDirectory.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/PackDirectory.java
index 2f028c965..23fb3e44c 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/PackDirectory.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/PackDirectory.java
@@ -45,8 +45,8 @@ import com.fr.third.eclipse.jgit.lib.ConfigConstants;
 import com.fr.third.eclipse.jgit.lib.ObjectId;
 import com.fr.third.eclipse.jgit.lib.ObjectLoader;
 import com.fr.third.eclipse.jgit.util.FileUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Traditional file system packed objects directory handler.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectory.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectory.java
index 07be48de1..7970421af 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectory.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectory.java
@@ -77,8 +77,8 @@ import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
 import com.fr.third.eclipse.jgit.util.RefList;
 import com.fr.third.eclipse.jgit.util.RefMap;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Traditional file system based {@link com.fr.third.eclipse.jgit.lib.RefDatabase}.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectoryRename.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectoryRename.java
index 536c35e56..504366c56 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectoryRename.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/storage/file/RefDirectoryRename.java
@@ -23,8 +23,8 @@ import com.fr.third.eclipse.jgit.lib.RefUpdate;
 import com.fr.third.eclipse.jgit.lib.RefUpdate.Result;
 import com.fr.third.eclipse.jgit.revwalk.RevWalk;
 import com.fr.third.eclipse.jgit.util.FileUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Rename any reference stored by {@link RefDirectory}.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/transport/http/NetscapeCookieFile.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/transport/http/NetscapeCookieFile.java
index 76500cdc3..130bcbe3f 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/transport/http/NetscapeCookieFile.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/internal/transport/http/NetscapeCookieFile.java
@@ -39,8 +39,8 @@ import com.fr.third.eclipse.jgit.storage.file.FileBasedConfig;
 import com.fr.third.eclipse.jgit.util.FileUtils;
 import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Wraps all cookies persisted in a <strong>Netscape Cookie File Format</strong>
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSignatureVerifierFactory.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSignatureVerifierFactory.java
index d80c725d5..eb97c54ff 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSignatureVerifierFactory.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSignatureVerifierFactory.java
@@ -13,8 +13,8 @@ import java.util.Iterator;
 import java.util.ServiceConfigurationError;
 import java.util.ServiceLoader;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * A {@code GpgSignatureVerifierFactory} creates {@link GpgSignatureVerifier} instances.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSigner.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSigner.java
index 599469050..46a2ae486 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSigner.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/GpgSigner.java
@@ -17,8 +17,8 @@ import com.fr.third.eclipse.jgit.annotations.NonNull;
 import com.fr.third.eclipse.jgit.annotations.Nullable;
 import com.fr.third.eclipse.jgit.api.errors.CanceledException;
 import com.fr.third.eclipse.jgit.transport.CredentialsProvider;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Creates GPG signatures for Git objects.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/Repository.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/Repository.java
index 6bae6e101..146d11700 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/Repository.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/Repository.java
@@ -67,8 +67,8 @@ import com.fr.third.eclipse.jgit.util.FileUtils;
 import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
 import com.fr.third.eclipse.jgit.util.SystemReader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Represents a Git repository.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/RepositoryCache.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/RepositoryCache.java
index e699bb0b5..799975846 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/RepositoryCache.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/lib/RepositoryCache.java
@@ -27,8 +27,8 @@ import com.fr.third.eclipse.jgit.lib.internal.WorkQueue;
 import com.fr.third.eclipse.jgit.util.FS;
 import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Cache of active {@link com.fr.third.eclipse.jgit.lib.Repository} instances.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/HttpConfig.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/HttpConfig.java
index 647dbe80f..b6e1c0d50 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/HttpConfig.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/HttpConfig.java
@@ -27,8 +27,8 @@ import com.fr.third.eclipse.jgit.lib.Config;
 import com.fr.third.eclipse.jgit.lib.StoredConfig;
 import com.fr.third.eclipse.jgit.util.StringUtils;
 import com.fr.third.eclipse.jgit.util.SystemReader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * A representation of the "http.*" config values in a git
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineIn.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineIn.java
index 10c817b61..068323a75 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineIn.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineIn.java
@@ -25,8 +25,8 @@ import com.fr.third.eclipse.jgit.internal.JGitText;
 import com.fr.third.eclipse.jgit.lib.MutableObjectId;
 import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Read Git style pkt-line formatting from an input stream.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineOut.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineOut.java
index bd7c00ada..88ec1509f 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineOut.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/PacketLineOut.java
@@ -19,8 +19,8 @@ import java.io.OutputStream;
 
 import com.fr.third.eclipse.jgit.lib.Constants;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Write Git style pkt-line formatting to an output stream.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/SideBandInputStream.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/SideBandInputStream.java
index 2b534a1f4..d67e84495 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/SideBandInputStream.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/SideBandInputStream.java
@@ -28,8 +28,8 @@ import com.fr.third.eclipse.jgit.internal.JGitText;
 import com.fr.third.eclipse.jgit.lib.ProgressMonitor;
 import com.fr.third.eclipse.jgit.util.IO;
 import com.fr.third.eclipse.jgit.util.RawParseUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Unmultiplexes the data portion of a side-band channel.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/TransportHttp.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/TransportHttp.java
index 8df0475fe..8d803233a 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/TransportHttp.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/transport/TransportHttp.java
@@ -109,8 +109,8 @@ import com.fr.third.eclipse.jgit.util.SystemReader;
 import com.fr.third.eclipse.jgit.util.TemporaryBuffer;
 import com.fr.third.eclipse.jgit.util.io.DisabledOutputStream;
 import com.fr.third.eclipse.jgit.util.io.UnionInputStream;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Transport over HTTP and FTP protocols.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS.java
index 9d20d7a70..2ffed12fb 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS.java
@@ -78,8 +78,8 @@ import com.fr.third.eclipse.jgit.treewalk.FileTreeIterator.FileEntry;
 import com.fr.third.eclipse.jgit.treewalk.FileTreeIterator.FileModeStrategy;
 import com.fr.third.eclipse.jgit.treewalk.WorkingTreeIterator.Entry;
 import com.fr.third.eclipse.jgit.util.ProcessResult.Status;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Abstraction to support various file system operations not in Java.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_POSIX.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_POSIX.java
index ddf438553..ee89615b6 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_POSIX.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_POSIX.java
@@ -42,8 +42,8 @@ import com.fr.third.eclipse.jgit.errors.ConfigInvalidException;
 import com.fr.third.eclipse.jgit.internal.JGitText;
 import com.fr.third.eclipse.jgit.lib.Repository;
 import com.fr.third.eclipse.jgit.lib.StoredConfig;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Base FS for POSIX based systems
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32.java
index 5de1a64f2..697d58cf2 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32.java
@@ -29,8 +29,8 @@ import com.fr.third.eclipse.jgit.errors.CommandFailedException;
 import com.fr.third.eclipse.jgit.treewalk.FileTreeIterator.FileEntry;
 import com.fr.third.eclipse.jgit.treewalk.FileTreeIterator.FileModeStrategy;
 import com.fr.third.eclipse.jgit.treewalk.WorkingTreeIterator.Entry;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 
 /**
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32_Cygwin.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32_Cygwin.java
index deff7b244..ebc82e962 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32_Cygwin.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FS_Win32_Cygwin.java
@@ -23,8 +23,8 @@ import java.util.List;
 import com.fr.third.eclipse.jgit.api.errors.JGitInternalException;
 import com.fr.third.eclipse.jgit.errors.CommandFailedException;
 import com.fr.third.eclipse.jgit.lib.Repository;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * FS implementation for Cygwin on Windows
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FileUtils.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FileUtils.java
index d6c686fb6..db577c047 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FileUtils.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/FileUtils.java
@@ -49,8 +49,8 @@ import java.util.stream.Stream;
 import com.fr.third.eclipse.jgit.internal.JGitText;
 import com.fr.third.eclipse.jgit.lib.Constants;
 import com.fr.third.eclipse.jgit.util.FS.Attributes;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * File Utilities
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/HttpSupport.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/HttpSupport.java
index 827385854..84a4d5a1a 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/HttpSupport.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/HttpSupport.java
@@ -36,8 +36,8 @@ import javax.net.ssl.TrustManager;
 import com.fr.third.eclipse.jgit.internal.JGitText;
 import com.fr.third.eclipse.jgit.transport.http.HttpConnection;
 import com.fr.third.eclipse.jgit.transport.http.NoCheckX509TrustManager;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Extra utilities to support usage of HTTP.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/Monitoring.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/Monitoring.java
index 37f4c7986..81d3811fa 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/Monitoring.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/Monitoring.java
@@ -24,8 +24,8 @@ import javax.management.ObjectName;
 import com.fr.third.eclipse.jgit.annotations.Nullable;
 import com.fr.third.eclipse.jgit.errors.ConfigInvalidException;
 import com.fr.third.eclipse.jgit.lib.ConfigConstants;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Enables monitoring JGit via JMX
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/SystemReader.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/SystemReader.java
index ed62707a5..98a8447bc 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/SystemReader.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/SystemReader.java
@@ -41,8 +41,8 @@ import com.fr.third.eclipse.jgit.lib.StoredConfig;
 import com.fr.third.eclipse.jgit.storage.file.FileBasedConfig;
 import com.fr.third.eclipse.jgit.util.time.MonotonicClock;
 import com.fr.third.eclipse.jgit.util.time.MonotonicSystemClock;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Interface to read values from the system.
diff --git a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/sha1/SHA1.java b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/sha1/SHA1.java
index 0dd29e9de..6c8f843c8 100644
--- a/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/sha1/SHA1.java
+++ b/fine-jgit/src/main/java/com/fr/third/eclipse/jgit/util/sha1/SHA1.java
@@ -23,8 +23,8 @@ import com.fr.third.eclipse.jgit.lib.MutableObjectId;
 import com.fr.third.eclipse.jgit.lib.ObjectId;
 import com.fr.third.eclipse.jgit.util.NB;
 import com.fr.third.eclipse.jgit.util.SystemReader;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fr.third.slf4j.Logger;
+import com.fr.third.slf4j.LoggerFactory;
 
 /**
  * Pure Java implementation of SHA-1 from FIPS 180-1 / RFC 3174.