Upgrade log4j to clear security issue

Vulnerability id is CVE-2017-5645

Issue-ID: POLICY-507
Change-Id: Ifed6ae8991edfa1d0e9b8c38afe19f5b43cf0b46
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/LogParser/pom.xml b/LogParser/pom.xml
index db47245..b7f3f1e 100644
--- a/LogParser/pom.xml
+++ b/LogParser/pom.xml
@@ -74,7 +74,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.4</version>
+			<version>2.8.2</version>
 		</dependency>
 		<dependency>
 			<groupId>org.eclipse.persistence</groupId>