Update jenkinsfile (#114)

* Setting up CD

Needed for convenience plugin releases.

* updaing maven strategy matrix

* Fixing spotbug finding

* update Jenkins version and remove Java 8 config

.github/workflows/maven.yml

@@ -8,15 +8,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [1.8, 11]
-        jenkins-version: [2.138.4, 2.190.1]
+        java: [11]
+        jenkins-version: [2.361]
         os: [ubuntu-latest, windows-latest]
-        include:
-        - jenkins-version: '2.190.1'
-          flags: '--define jenkins.version=2.190.1 --define slf4jVersion=1.7.26'
-        exclude:
-        - java: '11'
-          jenkins-version: '2.138.4'
 
     steps:
     - uses: actions/checkout@v1

Jenkinsfile

@@ -1,13 +1,9 @@
 #!/usr/bin/env groovy
 
 /* `buildPlugin` step provided by: https://github.com/jenkins-infra/pipeline-library */
-def recentLTS = "2.176.4"
+def recentLTS = "2.361"
 def configurations = [
-    [ platform: "linux", jdk: "8", jenkins: null ],
-    [ platform: "linux", jdk: "8", jenkins: recentLTS ],
     [ platform: "linux", jdk: "11", jenkins: recentLTS ],
-    [ platform: "windows", jdk: "8", jenkins: null ],
-    [ platform: "windows", jdk: "8", jenkins: recentLTS ],
     [ platform: "windows", jdk: "11", jenkins: recentLTS ],
 ]
 buildPlugin(configurations: configurations)

src/main/java/jenkins/plugins/accurev/AccurevTool.java

@@ -47,13 +47,12 @@ public AccurevTool(String name, String home, List<? extends ToolProperty<?>> pro
   }
 
   private static AccurevTool[] getInstallations(DescriptorImpl descriptor) {
-    AccurevTool[] installations;
-    try {
-      installations = descriptor.getInstallations();
-    } catch (NullPointerException e) {
-      installations = new AccurevTool[0];
+
+    if (descriptor == null) {
+      return new AccurevTool[0];
+    } else {
+      return descriptor.getInstallations();
     }
-    return installations;
   }
 
   /**