From 045f19415c5516de5fd7d5da3e571177ef51c780 Mon Sep 17 00:00:00 2001
From: jvican <jorgevc@fastmail.es>
Date: Sun, 22 Oct 2017 16:15:40 +0200
Subject: [PATCH] Fix #436: Remove annoying log4j scripted exception

---
 project/Scripted.scala | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/project/Scripted.scala b/project/Scripted.scala
index a2df1d7bc6..d018b64b69 100644
--- a/project/Scripted.scala
+++ b/project/Scripted.scala
@@ -75,6 +75,8 @@ object Scripted {
                  bufferLog: Boolean,
                  prescripted: File => Unit): Unit = {
     System.err.println(s"About to run tests: ${args.mkString("\n * ", "\n * ", "\n")}")
+    // Force Log4J to not use a thread context classloader otherwise it throws a CCE
+    sys.props(org.apache.logging.log4j.util.LoaderUtil.IGNORE_TCCL_PROPERTY) = "true"
     val noJLine = new classpath.FilteredLoader(scriptedSbtInstance.loader, "jline." :: Nil)
     val loader = classpath.ClasspathUtilities.toLoader(scriptedSbtClasspath.files, noJLine)
     val bridgeClass = Class.forName("sbt.internal.inc.IncScriptedRunner", true, loader)