From 10154c6f0978cf6f33ae7153e85a02607b6f65ed Mon Sep 17 00:00:00 2001
From: Scott Wegner <swegner@google.com>
Date: Thu, 9 Jun 2016 08:46:37 -0700
Subject: [PATCH] Disable exec-maven-plugin cleanupDaemonThreads

exec-maven-plugin has a bad interaction with DataflowPipelineRunner
when waiting on daemon threads. When running example pipelines,
Maven will emit a warning saying background threads are alive
after being aborted. This looks to users like an error while there's
actually no harm to it. Disabling cleanupDaemonThreads suppresses
this warning.
---
 pom.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pom.xml b/pom.xml
index e7cc5f727b01..49b77fa0ae97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -754,6 +754,7 @@
             </execution>
           </executions>
           <configuration>
+            <cleanupDaemonThreads>false</cleanupDaemonThreads>
             <systemProperties>
               <systemProperty>
                 <key>java.util.logging.config.file</key>