diff --git a/pdb-ui/src/main/resources/log4j2.xml b/pdb-ui/src/main/resources/log4j2.xml
index 14be0c0..7fa98f9 100644
--- a/pdb-ui/src/main/resources/log4j2.xml
+++ b/pdb-ui/src/main/resources/log4j2.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Configuration
-	monitorInterval="10">
-	
+    monitorInterval="10">
+  
   <Properties>
     <Property name="LOG_DIR">${sys:logDir:-logs}</Property>
   </Properties>
@@ -13,19 +13,19 @@
     <RollingRandomAccessFile name="logfile" 
             fileName="${LOG_DIR}/pdb.log" 
             filePattern="${LOG_DIR}/pdb.%d{yyyy-MM-dd_HHmmss}.log.zip">
-            <PatternLayout pattern="%d %5p [%-20.20t] %-30.30c{1.} : %m%n"
-                           charset="UTF-8"/>
-            <Policies>
-                <OnStartupTriggeringPolicy/>
-                <CronTriggeringPolicy schedule="0 0 0 * * ?"/><!-- triggers every day at midnight -->
-            </Policies>
-			<DefaultRolloverStrategy>
-				<Delete basePath="${LOG_DIR}" maxDepth="1">
-					<IfFileName glob="*/pdb.*.log.zip" />
-					<IfLastModified age="30d" />
-				</Delete>
-			</DefaultRolloverStrategy>
-        </RollingRandomAccessFile>
+      <PatternLayout pattern="%d %5p [%-20.20t] %-30.30c{1.} : %m%n"
+                     charset="UTF-8"/>
+      <Policies>
+        <OnStartupTriggeringPolicy/>
+        <CronTriggeringPolicy schedule="0 0 0 * * ?"/><!-- triggers every day at midnight -->
+      </Policies>
+      <DefaultRolloverStrategy>
+        <Delete basePath="${LOG_DIR}" maxDepth="1">
+          <IfFileName glob="*/pdb.*.log.zip" />
+          <IfLastModified age="30d" />
+        </Delete>
+      </DefaultRolloverStrategy>
+    </RollingRandomAccessFile>
   </Appenders>
   <Loggers>
     <Root level="INFO">
@@ -33,22 +33,22 @@
       <AppenderRef ref="logfile"/>
     </Root>
     <!-- 
-    	An example of how to reconfigure the log level for a logger.
-    	This example is a no-op.
+      An example of how to reconfigure the log level for a logger.
+      This example is a no-op.
+     -->
+    <logger name="org.lucares.performance.db" level="INFO" additivity="false">
+      <AppenderRef ref="Console"/>
+    </logger>
+    <logger name="org.lucares.metrics.ingestion.block" level="DEBUG" />
+    <logger name="org.lucares.metrics.proposals" level="DEBUG" />
+    <logger name="org.lucares.metrics.plotter" level="DEBUG" />
+    <logger name="org.lucares.metrics.gnuplot" level="DEBUG" />
+    <logger name="org.lucares.metrics.aggregator.parallelRequests" level="DEBUG" />
+    <!-- 
+    <logger name="org.lucares.metrics.ingestion.tagsToFile.newPdbWriter" level="DEBUG" />
+    <logger name="org.lucares.metrics.dataStore" level="DEBUG" />
+    <logger name="org.lucares.pdb.datastore.lang.QueryCompletionPdbLangParser" level="TRACE" />
+    <logger name="org.lucares.pdb.datastore.lang.ExpressionToDocIdVisitor" level="TRACE" />
      -->
-  	<logger name="org.lucares.performance.db" level="INFO" additivity="false">
-  		<AppenderRef ref="Console"/>
-  	</logger>
-  	<logger name="org.lucares.metrics.ingestion.block" level="DEBUG" />
-  	<logger name="org.lucares.metrics.proposals" level="DEBUG" />
-  	<logger name="org.lucares.metrics.plotter" level="DEBUG" />
-  	<logger name="org.lucares.metrics.gnuplot" level="DEBUG" />
-  	<logger name="org.lucares.metrics.aggregator.parallelRequests" level="DEBUG" />
-  	<!-- 
-  	<logger name="org.lucares.metrics.ingestion.tagsToFile.newPdbWriter" level="DEBUG" />
-  	<logger name="org.lucares.metrics.dataStore" level="DEBUG" />
-  	<logger name="org.lucares.pdb.datastore.lang.QueryCompletionPdbLangParser" level="TRACE" />
-  	<logger name="org.lucares.pdb.datastore.lang.ExpressionToDocIdVisitor" level="TRACE" />
-  	 -->
   </Loggers>
 </Configuration>
\ No newline at end of file