diff --git a/org.eclipse.jgit.pgm/pom.xml b/org.eclipse.jgit.pgm/pom.xml
index 02d346365..a889a5453 100644
--- a/org.eclipse.jgit.pgm/pom.xml
+++ b/org.eclipse.jgit.pgm/pom.xml
@@ -69,6 +69,7 @@
     <dependency>
       <groupId>args4j</groupId>
       <artifactId>args4j</artifactId>
+      <version>[2.0.12,2.1.0)</version>
     </dependency>
 
     <dependency>
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
index ca9710491..6e028ec06 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
@@ -109,7 +109,8 @@ public class AbstractTreeIteratorHandler extends
 			try {
 				dirc = DirCache.read(new File(name), FS.DETECTED);
 			} catch (IOException e) {
-				throw new CmdLineException(MessageFormat.format(CLIText.get().notAnIndexFile, name), e);
+				throw new CmdLineException(owner, MessageFormat.format(
+						CLIText.get().notAnIndexFile, name), e);
 			}
 			setter.addValue(new DirCacheIterator(dirc));
 			return 1;
@@ -119,21 +120,25 @@ public class AbstractTreeIteratorHandler extends
 		try {
 			id = clp.getRepository().resolve(name);
 		} catch (IOException e) {
-			throw new CmdLineException(e.getMessage());
+			throw new CmdLineException(owner, e.getMessage());
 		}
 		if (id == null)
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notATree, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notATree, name));
 
 		final CanonicalTreeParser p = new CanonicalTreeParser();
 		final ObjectReader curs = clp.getRepository().newObjectReader();
 		try {
 			p.reset(curs, clp.getRevWalk().parseTree(id));
 		} catch (MissingObjectException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notATree, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notATree, name));
 		} catch (IncorrectObjectTypeException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notATree, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notATree, name));
 		} catch (IOException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().cannotReadBecause, name, e.getMessage()));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().cannotReadBecause, name, e.getMessage()));
 		} finally {
 			curs.release();
 		}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java
index f6550a5d8..fada8fc07 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java
@@ -86,14 +86,15 @@ public class ObjectIdHandler extends OptionHandler<ObjectId> {
 		try {
 			id = clp.getRepository().resolve(name);
 		} catch (IOException e) {
-			throw new CmdLineException(e.getMessage());
+			throw new CmdLineException(owner, e.getMessage());
 		}
 		if (id != null) {
 			setter.addValue(id);
 			return 1;
 		}
 
-		throw new CmdLineException(MessageFormat.format(CLIText.get().notAnObject, name));
+		throw new CmdLineException(owner, MessageFormat.format(
+				CLIText.get().notAnObject, name));
 	}
 
 	@Override
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
index bf1753634..b7a2314db 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
@@ -96,7 +96,8 @@ public class RevCommitHandler extends OptionHandler<RevCommit> {
 		final int dot2 = name.indexOf("..");
 		if (dot2 != -1) {
 			if (!option.isMultiValued())
-				throw new CmdLineException(MessageFormat.format(CLIText.get().onlyOneMetaVarExpectedIn
+				throw new CmdLineException(owner, MessageFormat.format(
+						CLIText.get().onlyOneMetaVarExpectedIn
 					, option.metaVar(), name));
 
 			final String left = name.substring(0, dot2);
@@ -116,20 +117,24 @@ public class RevCommitHandler extends OptionHandler<RevCommit> {
 		try {
 			id = clp.getRepository().resolve(name);
 		} catch (IOException e) {
-			throw new CmdLineException(e.getMessage());
+			throw new CmdLineException(owner, e.getMessage());
 		}
 		if (id == null)
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notACommit, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notACommit, name));
 
 		final RevCommit c;
 		try {
 			c = clp.getRevWalk().parseCommit(id);
 		} catch (MissingObjectException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notACommit, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notACommit, name));
 		} catch (IncorrectObjectTypeException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notACommit, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notACommit, name));
 		} catch (IOException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().cannotReadBecause, name, e.getMessage()));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().cannotReadBecause, name, e.getMessage()));
 		}
 
 		if (interesting)
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
index 0b607ee06..2798c5b9d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
@@ -89,20 +89,24 @@ public class RevTreeHandler extends OptionHandler<RevTree> {
 		try {
 			id = clp.getRepository().resolve(name);
 		} catch (IOException e) {
-			throw new CmdLineException(e.getMessage());
+			throw new CmdLineException(owner, e.getMessage());
 		}
 		if (id == null)
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notATree, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notATree, name));
 
 		final RevTree c;
 		try {
 			c = clp.getRevWalk().parseTree(id);
 		} catch (MissingObjectException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notATree, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notATree, name));
 		} catch (IncorrectObjectTypeException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().notATree, name));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().notATree, name));
 		} catch (IOException e) {
-			throw new CmdLineException(MessageFormat.format(CLIText.get().cannotReadBecause, name, e.getMessage()));
+			throw new CmdLineException(owner, MessageFormat.format(
+					CLIText.get().cannotReadBecause, name, e.getMessage()));
 		}
 		setter.addValue(c);
 		return 1;
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java
index 35ed22bd3..08d01f4f0 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java
@@ -82,7 +82,7 @@ public class SubcommandHandler extends OptionHandler<TextBuiltin> {
 		final String name = params.getParameter(0);
 		final CommandRef cr = CommandCatalog.get(name);
 		if (cr == null)
-			throw new CmdLineException(MessageFormat.format(
+			throw new CmdLineException(owner, MessageFormat.format(
 					CLIText.get().notAJgitCommand, name));
 
 		// Force option parsing to stop. Everything after us should