From 0daef026349369238cba58efa05b31eec9cf92c8 Mon Sep 17 00:00:00 2001
From: Martin Bickel <martin.bickel@continental-corporation.com>
Date: Mon, 1 Oct 2018 18:13:48 +0200
Subject: [PATCH] Skip default parameters that are null, to avoid NPE later.

---
 src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java b/src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java
index 5ba3e756f..8abcdda05 100644
--- a/src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java
+++ b/src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java
@@ -483,7 +483,9 @@ private ArrayList<ParameterValue> getDefaultParameters() {
         ParametersDefinitionProperty pdp = this.job.getProperty(ParametersDefinitionProperty.class);
         if (pdp != null) {
             for (ParameterDefinition pd : pdp.getParameterDefinitions()) {
-                values.add(pd.getDefaultParameterValue());
+                if (pd.getDefaultParameterValue() != null) {
+                    values.add(pd.getDefaultParameterValue());
+                }
             }
         }
         return values;