From 21a322d64c62a9323963d2ae09b723dc57bbfeec Mon Sep 17 00:00:00 2001
From: Keegan Witt <keeganwitt@gmail.com>
Date: Mon, 21 Oct 2019 01:51:41 -0400
Subject: [PATCH] Allow system exits by default (closes #145) and mention
 thread-safety in JavaDoc

---
 .../java/org/codehaus/gmavenplus/mojo/AbstractToolsMojo.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/codehaus/gmavenplus/mojo/AbstractToolsMojo.java b/src/main/java/org/codehaus/gmavenplus/mojo/AbstractToolsMojo.java
index b4a940862..58b4ab980 100644
--- a/src/main/java/org/codehaus/gmavenplus/mojo/AbstractToolsMojo.java
+++ b/src/main/java/org/codehaus/gmavenplus/mojo/AbstractToolsMojo.java
@@ -70,11 +70,12 @@ public abstract class AbstractToolsMojo extends AbstractGroovyMojo {
     protected Properties properties = new Properties();
 
     /**
-     * Whether to allow System.exit() to be used.
+     * Whether to allow System.exit() to be used. Should not be set to <code>false</code> when using parallel
+     * execution, as it isn't thread-safe.
      *
      * @since 1.2
      */
-    @Parameter(defaultValue = "false")
+    @Parameter(defaultValue = "true")
     protected boolean allowSystemExits;
 
     /**