Move WebGoat to Java 15

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        java: [11, 15]
+        java: [15]
     steps:
       - uses: actions/checkout@v2
       - name: Set up JDK ${{ matrix.java }}

.github/workflows/release.yml

@@ -16,10 +16,10 @@ jobs:
         id: tag
         uses: dawidd6/action-get-tag@v1
 
-      - name: Set up JDK 11
+      - name: Set up JDK 15
         uses: actions/setup-java@v1
         with:
-          java-version: 11
+          java-version: 15
           architecture: x64
 
       - name: Cache Maven packages
@@ -111,10 +111,10 @@ jobs:
           ref: develop
           token: ${{ secrets.WEBGOAT_DEPLOYER_TOKEN }}
 
-      - name: Set up JDK 11
+      - name: Set up JDK 15
         uses: actions/setup-java@v1
         with:
-          java-version: 11
+          java-version: 15
           architecture: x64
 
       - name: Set version to next snapshot

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:11.0.1-jre-slim-stretch
+FROM openjdk:15.0.2-slim
 
 ARG webgoat_version=v8.2.0-SNAPSHOT
 ENV webgoat_version_env=${webgoat_version}

docker/Readme.md

@@ -2,7 +2,7 @@
 
 ## Docker build
 
-	docker build --no-cache --build-arg webgoat_version=v8.2.0-SNAPSHOT -t webgoat/goatandwolf:latest .
+	docker build --no-cache --build-arg webgoat_version=8.2.0-SNAPSHOT -t webgoat/goatandwolf:latest .
 	
 ## Docker run
 	

pom.xml

@@ -115,8 +115,8 @@
         <!-- Use UTF-8 Encoding -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>15</maven.compiler.source>
+        <maven.compiler.target>15</maven.compiler.target>
 
         <!-- This build number will be ubdated by Travis-CI -->
         <build.number>build</build.number>
@@ -134,6 +134,7 @@
         <maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
         <maven-source-plugin.version>3.1.0</maven-source-plugin.version>
         <maven-surefire-plugin.version>3.0.0-M4</maven-surefire-plugin.version>
+        <java.version>15</java.version>
     </properties>
 
     <modules>