Merge pull request #181 from eed3si9n/wip/jdk11

openjdk11

.travis.yml

@@ -15,7 +15,7 @@ script: sbt -Dfile.encoding=UTF8 -J-XX:ReservedCodeCacheSize=256M
 matrix:
   include:
   - scala: 2.12.6
-    jdk: oraclejdk9
+    jdk: openjdk11
   - scala: 2.10.6
     script: sbt -Dfile.encoding=UTF8 -J-XX:ReservedCodeCacheSize=256M "++$TRAVIS_SCALA_VERSION compile"
 

internal/util-logging/src/main/scala/sbt/internal/util/ConsoleAppender.scala

@@ -8,6 +8,7 @@ import org.apache.logging.log4j.{ Level => XLevel }
 import org.apache.logging.log4j.message.{ Message, ObjectMessage, ReusableObjectMessage }
 import org.apache.logging.log4j.core.{ LogEvent => XLogEvent }
 import org.apache.logging.log4j.core.appender.AbstractAppender
+import scala.collection.immutable.StringOps
 
 import ConsoleAppender._
 
@@ -389,7 +390,7 @@ class ConsoleAppender private[ConsoleAppender] (
       message: String
   ): Unit =
     out.lockObject.synchronized {
-      message.lines.foreach { line =>
+      new StringOps(message).lines.foreach { line =>
         val builder = new java.lang.StringBuilder(
           labelColor.length + label.length + messageColor.length + line.length + reset.length * 3 + 3)
         def fmted(a: String, b: String) = builder.append(reset).append(a).append(b).append(reset)