Send Spark INFO logs to a file in SparkR tests

R/BUILDING.md

@@ -9,6 +9,5 @@ include Rtools and R in `PATH`.
 `JAVA_HOME` in the system environment variables.
 3. Download and install [Maven](http://maven.apache.org/download.html). Also include the `bin`
 directory in Maven in `PATH`.
-4. Get SparkR source code either using [`git`](http://git-scm.com/downloads) or by downloading a
-source zip from github.
-5. Open a command shell (`cmd`) in the SparkR directory and run `install-dev.bat`
+4. Set `MAVEN_OPTS` as described in [Building Spark](http://spark.apache.org/docs/latest/building-spark.html).
+5. Open a command shell (`cmd`) in the Spark directory and run `mvn -DskipTests -Psparkr package`

R/log4j.properties

@@ -0,0 +1,28 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Set everything to be logged to the file target/unit-tests.log
+log4j.rootCategory=INFO, file
+log4j.appender.file=org.apache.log4j.FileAppender
+log4j.appender.file.append=true
+log4j.appender.file.file=R-unit-tests.log
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss.SSS} %t %p %c{1}: %m%n
+
+# Ignore messages below warning level from Jetty, because it's a bit verbose
+log4j.logger.org.eclipse.jetty=WARN
+org.eclipse.jetty.LEVEL=WARN

R/pkg/inst/profile/shell.R

@@ -18,7 +18,6 @@
 .First <- function() {
   home <- Sys.getenv("SPARK_HOME")
   .libPaths(c(file.path(home, "R", "lib"), .libPaths()))
-  cat(.libPaths())
   Sys.setenv(NOAWT=1)
 
   require(utils)

R/run-tests.sh

@@ -20,10 +20,10 @@
 FWDIR="$(cd `dirname $0`; pwd)"
 
 FAILED=0
-LOGFILE=unit-tests.log
+LOGFILE=$FWDIR/unit-tests.out
 rm -f $LOGFILE
 
-SPARK_TESTING=1 $FWDIR/../bin/sparkR $FWDIR/pkg/tests/run-all.R >$LOGFILE 2>&1
+SPARK_TESTING=1 $FWDIR/../bin/sparkR --driver-java-options "-Dlog4j.configuration=file:$FWDIR/log4j.properties" $FWDIR/pkg/tests/run-all.R 2>&1 | tee -a $LOGFILE
 FAILED=$((PIPESTATUS[0]||$FAILED))
 
 if [[ $FAILED != 0 ]]; then