From 2a953481821fcbfefbdd235a2c5b7f7e7ef8a6b7 Mon Sep 17 00:00:00 2001
From: saivr1t <alexansavon@gmail.com>
Date: Mon, 14 May 2018 15:11:10 +0300
Subject: [PATCH] AMQ-6959 Avoid creating a Throwable in case of non-trace
 logging

---
 .../src/main/java/org/apache/activemq/ActiveMQSession.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java b/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
index 1e82af8cca..af043d027f 100644
--- a/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
+++ b/activemq-client/src/main/java/org/apache/activemq/ActiveMQSession.java
@@ -950,7 +950,9 @@ public class ActiveMQSession implements Session, QueueSession, TopicSession, Sta
 
                             @Override
                             public void afterRollback() throws Exception {
-                                LOG.trace("rollback {}", ack, new Throwable("here"));
+                                if (LOG.isTraceEnabled()) {
+                                    LOG.trace("rollback {}", ack, new Throwable("here"));
+                                }
                                 // ensure we don't filter this as a duplicate
                                 connection.rollbackDuplicate(ActiveMQSession.this, md.getMessage());