From 896f9559786a2a10c5219015e91cefd27edf335e Mon Sep 17 00:00:00 2001
From: Thorsten Vitt <thorsten.vitt@uni-wuerzburg.de>
Date: Fri, 1 Jul 2016 15:43:42 +0200
Subject: [PATCH] Only log STDERR again.

Some components seem to dump stack traces to STDERR, so we only write it
to the log file as it was before the new logging.
---
 .../de/tudarmstadt/ukp/dariah/pipeline/RunPipeline.java     | 6 ++++--
 src/main/resources/log4j2.xml                               | 3 +++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/tudarmstadt/ukp/dariah/pipeline/RunPipeline.java b/src/main/java/de/tudarmstadt/ukp/dariah/pipeline/RunPipeline.java
index a9393cb..21cfa43 100644
--- a/src/main/java/de/tudarmstadt/ukp/dariah/pipeline/RunPipeline.java
+++ b/src/main/java/de/tudarmstadt/ukp/dariah/pipeline/RunPipeline.java
@@ -44,10 +44,12 @@
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.MarkerManager;
 import org.apache.logging.log4j.io.IoBuilder;
 import org.apache.uima.UIMAException;
 import org.apache.uima.analysis_component.AnalysisComponent;
 import org.apache.uima.analysis_engine.AnalysisEngineDescription;
+import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
 import org.apache.uima.collection.CollectionReaderDescription;
 import org.apache.uima.fit.component.NoOpAnnotator;
 import org.apache.uima.fit.pipeline.SimplePipeline;
@@ -434,8 +436,8 @@ public static void main(String[] args)  {
 		logger.debug("==== Starting new session ====");
 		logger.debug("Arguments: " + Joiner.on(' ').join(args));
 
-		System.setErr(IoBuilder.forLogger(logger.getName() + ".stderr").setLevel(Level.WARN).buildPrintStream());
-		System.setOut(IoBuilder.forLogger(logger.getName() + ".stdout").setLevel(Level.INFO).buildPrintStream());
+		System.setErr(IoBuilder.forLogger(logger.getName() + ".stderr").setLevel(Level.WARN).setMarker(MarkerManager.getMarker("STDERR")).buildPrintStream());
+		System.setOut(IoBuilder.forLogger(logger.getName() + ".stdout").setLevel(Level.INFO).setMarker(MarkerManager.getMarker("STDOUT")).buildPrintStream());
 		
 		try {
 			if(!parseArgs(args)) {
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
index 99e2c59..4079499 100644
--- a/src/main/resources/log4j2.xml
+++ b/src/main/resources/log4j2.xml
@@ -6,6 +6,9 @@
 				alwaysWriteExceptions="false"
 			    noConsoleNoAnsi="true"
 				pattern="%highlight{%level:} %msg%replace{%throwable{short.className}}{.+}{ See error.log for more details.}%n"/>
+			<Filters>
+				<MarkerFilter marker="STDERR" onMatch="DENY" onMismatch="NEUTRAL"/>
+			</Filters>
 		</Console>
 		<File name="File" fileName="error.log">
 			<PatternLayout pattern="%date{ISO8601}\t%level\t%logger\t%msg%n%xEx{full}"/>