Merge branch 'release/2.6.0'

.github/dependabot.yml

@@ -0,0 +1,8 @@
+# Documentation: https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "maven" # See documentation for possible values
+    directory: "/"
+    schedule:
+      interval: "weekly"

CHANGELOG.adoc

@@ -1,5 +1,10 @@
 = Changelog
 
+== Version 2.6.0
+
+* If the package can't resolve a property an exception is no longer thrown. This behaviour is now logged with a
+  warning and the packaging mojo continues.
+
 == Version 2.5.1
 
 * Ignore `Set-Cookie` header of responses in the `deploy` goal

pom.xml

@@ -4,15 +4,15 @@
 
 	<groupId>com.deviceinsight.helm</groupId>
 	<artifactId>helm-maven-plugin</artifactId>
-	<version>2.5.1</version>
+	<version>2.6.0</version>
 	<packaging>maven-plugin</packaging>
 
 	<name>Helm Maven Plugin</name>
 	<description>A Maven Plugin for Helm Charts</description>
 	<url>https://github.com/deviceinsight/helm-maven-plugin</url>
 
 	<properties>
-		<kotlin.version>1.3.72</kotlin.version>
+		<kotlin.version>1.4.10</kotlin.version>
 		<kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
@@ -25,13 +25,13 @@
 		<jackson.version>2.11.2</jackson.version>
 		<httpclient.version>4.5.12</httpclient.version>
 
-		<junit.jupiter.version>5.6.2</junit.jupiter.version>
-		<assertj-core.version>3.16.1</assertj-core.version>
+		<junit.jupiter.version>5.7.0</junit.jupiter.version>
+		<assertj-core.version>3.17.2</assertj-core.version>
 
-		<dokka-maven-plugin.version>0.9.17</dokka-maven-plugin.version>
-		<maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
-		<maven-source-plugin.version>3.0.1</maven-source-plugin.version>
-		<gitflow-maven-plugin.version>1.13.0</gitflow-maven-plugin.version>
+		<dokka-maven-plugin.version>1.4.0</dokka-maven-plugin.version>
+		<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
+		<maven-source-plugin.version>3.2.1</maven-source-plugin.version>
+		<gitflow-maven-plugin.version>1.14.0</gitflow-maven-plugin.version>
 		<nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
 		<maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
 	</properties>

src/main/kotlin/com/deviceinsight/helm/PackageMojo.kt

@@ -157,7 +157,7 @@ class PackageMojo : AbstractHelmMojo() {
 			else -> project.properties.getProperty(property)
 		}
 		if (result == null) {
-			throw IllegalStateException("Could not resolve property: '$property' used in file: '$fileName'")
+			log.warn("Could not resolve property: '$property' used in file: '$fileName'")
 		} else {
 			log.debug("Resolved property: '$property' as: '$result'")
 		}