diff --git a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitAddTask.java b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitAddTask.java
index b9a868826..fdd419bd6 100644
--- a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitAddTask.java
+++ b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitAddTask.java
@@ -53,6 +53,7 @@
 import org.apache.tools.ant.types.resources.Union;
 import org.eclipse.jgit.api.AddCommand;
 import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.lib.RepositoryCache;
@@ -135,7 +136,7 @@ public void execute() throws BuildException {
 				gitAdd.addFilepattern(toAdd);
 			}
 			gitAdd.call();
-		} catch (Exception e) {
+		} catch (IOException | GitAPIException e) {
 			throw new BuildException("Could not add files to index." + src, e);
 		}
 
diff --git a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCloneTask.java b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCloneTask.java
index f23f3b753..b2cb35cbe 100644
--- a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCloneTask.java
+++ b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCloneTask.java
@@ -49,12 +49,14 @@
 import org.apache.tools.ant.Task;
 import org.eclipse.jgit.api.CloneCommand;
 import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.eclipse.jgit.api.errors.JGitInternalException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.transport.URIish;
 
 /**
  * Clone a repository into a new directory.
- * 
+ *
  * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-clone.html"
  *      >git-clone(1)</a>
  */
@@ -76,9 +78,9 @@ public void setUri(String uri) {
 	/**
 	 * The optional directory associated with the clone operation. If the
 	 * directory isn't set, a name associated with the source uri will be used.
-	 * 
+	 *
 	 * @see URIish#getHumanishName()
-	 * 
+	 *
 	 * @param destination
 	 *            the directory to clone to
 	 */
@@ -105,12 +107,12 @@ public void setBranch(String branch) {
 	@Override
 	public void execute() throws BuildException {
 		log("Cloning repository " + uri);
-		
+
 		CloneCommand clone = Git.cloneRepository();
 		try {
 			clone.setURI(uri).setDirectory(destination).setBranch(branch).setBare(bare);
 			clone.call().getRepository().close();
-		} catch (Exception e) {
+		} catch (GitAPIException | JGitInternalException e) {
 			log("Could not clone repository: " + e, e, Project.MSG_ERR);
 			throw new BuildException("Could not clone repository: " + e.getMessage(), e);
 		}