Fixed the argument handler in the Indexer.

Change-Id: Iafd413a0b581f1cfb150144aa359e568e647a9e5
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index b46d82c..1554002 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -1,4 +1,4 @@
-log4j.rootLogger = ERROR, stdout
+log4j.rootLogger = DEBUG, stdout
 
 # Queries:
 # log4j.logger.de.ids_mannheim.korap.query.SpanNextQuery = TRACE, stdout
@@ -42,6 +42,7 @@
 # Server
 # log4j.category.org.glassfish.jersey = TRACE, stdout
 
+log4j.appender.stdout.Target=System.out
 log4j.appender.stdout = org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern = %5p (%F:%L) -> %m%n