diff --git a/org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/CachingKeyPairProvider.java b/org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/CachingKeyPairProvider.java
index 2ce6990..79b3637 100644
--- a/org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/CachingKeyPairProvider.java
+++ b/org.eclipse.jgit.ssh.apache/src/org/eclipse/jgit/internal/transport/sshd/CachingKeyPairProvider.java
@@ -170,7 +170,7 @@
 				} catch (CancellationException cancelled) {
 					throw cancelled;
 				} catch (Exception other) {
-					log.warn(other.toString());
+					log.warn(other.getMessage(), other);
 				}
 			}
 			return nextItem != null;