Add exception info.

1 files changed, 1 insertions, 1 deletions

diff --git a/searchcore/src/apps/vespa-proton-cmd/vespa-proton-cmd.cpp b/searchcore/src/apps/vespa-proton-cmd/vespa-proton-cmd.cpp
index b5dfeea8e20..50a2aecce76 100644
--- a/searchcore/src/apps/vespa-proton-cmd/vespa-proton-cmd.cpp
+++ b/searchcore/src/apps/vespa-proton-cmd/vespa-proton-cmd.cpp
@@ -160,7 +160,7 @@ public:
             fprintf(stderr, "ERROR: failed to get service location broker configuration\n");
             std::_Exit(1);
         } catch (vespalib::IllegalStateException& e) {
-            fprintf(stderr, "ERROR: empty or invalid service location broker configuration\n");
+            fprintf(stderr, "ERROR: empty or invalid service location broker configuration: %s\n", e.what());
             std::_Exit(2);
         }
         return "";