Allocate all groups in one go

With many groups and dynamic allocation allocating group by
group is too slow.

1 files changed, 2 insertions, 0 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/yolean/Exceptions.java b/vespajlib/src/main/java/com/yahoo/yolean/Exceptions.java
index 4f3f048eb0c..a50ea2b97c1 100644
--- a/vespajlib/src/main/java/com/yahoo/yolean/Exceptions.java
+++ b/vespajlib/src/main/java/com/yahoo/yolean/Exceptions.java
@@ -27,6 +27,8 @@ public class Exceptions {
         for (; t != null; t = t.getCause()) {
             message = getMessage(t);
             if (message == null) continue;
+            message = message.trim();
+            if (message.isEmpty()) continue;
             if (message.equals(lastMessage)) continue;
             if (b.length() > 0) {
                 b.append(": ");