Updated log4j to log4j2

Change-Id: Ia00e41a9f26b515eb24dc7a6d5e7cd052a1cbeb7
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..2528735
--- /dev/null
+++ b/src/main/resources/log4j2.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+  <Appenders>
+    <Console name="Console" target="SYSTEM_OUT">
+      <PatternLayout pattern="%5p (%F:%L) -> %m%n"/>
+    </Console>
+  </Appenders>
+  <Loggers>
+    <Root level="error">
+      <AppenderRef ref="Console"/>
+    </Root>
+    <!--
+    <Logger name="org.glassfish.grizzly.http.server.NetworkListener"
+            level="trace">
+      <AppenderRef ref="Console"/>
+    </Logger>
+    <Logger name="de.ids_mannheim.korap.KrillIndex"
+            level="trace">
+      <AppenderRef ref="Console"/>
+    </Logger>
+    -->
+  </Loggers>
+</Configuration>