From: Christian Babeux <christian.babeux@efficios.com>
Date: Fri, 31 Oct 2014 19:33:59 +0000 (-0400)
Subject: Fix: Warn when log4j version is too old
X-Git-Tag: v2.7.0-rc1~79
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=0bc36e5dfad79b745fe45c4176b8474ab69cf758;p=lttng-ust.git

Fix: Warn when log4j version is too old

Signed-off-by: Christian Babeux <christian.babeux@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/liblttng-ust-java-agent/java/org/lttng/ust/agent/LTTngAgent.java b/liblttng-ust-java-agent/java/org/lttng/ust/agent/LTTngAgent.java
index 47b45197..f7e1e386 100644
--- a/liblttng-ust-java-agent/java/org/lttng/ust/agent/LTTngAgent.java
+++ b/liblttng-ust-java-agent/java/org/lttng/ust/agent/LTTngAgent.java
@@ -119,6 +119,7 @@ public class LTTngAgent {
 		try {
 			logging.getDeclaredMethod("getTimeStamp");
 		} catch (NoSuchMethodException e) {
+			System.err.println("Warning: The loaded log4j library is too old. Log4j tracing with LTTng will be disabled.");
 			return false;
 		} catch (NullPointerException e) {
 			/* Should never happen */