chore: Remove code-paths for Java versions <=8 (#7297)

Author: aikebah

core/pom.xml

@@ -299,10 +299,6 @@ Copyright (c) 2012 Jeremy Long. All Rights Reserved.
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.module</groupId>
-            <artifactId>jackson-module-afterburner</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>
             <artifactId>jackson-module-blackbird</artifactId>

core/src/main/java/org/owasp/dependencycheck/Engine.java

@@ -86,7 +86,6 @@
 import static org.owasp.dependencycheck.analyzer.AnalysisPhase.PRE_INFORMATION_COLLECTION;
 import org.owasp.dependencycheck.analyzer.DependencyBundlingAnalyzer;
 import org.owasp.dependencycheck.dependency.naming.Identifier;
-import org.owasp.dependencycheck.utils.Utils;
 
 /**
  * Scans files, directories, etc. for Dependencies. Analyzers are loaded and
@@ -191,8 +190,6 @@ public Engine(@NotNull final ClassLoader serviceClassLoader, @NotNull final Mode
         this.mode = mode;
         this.accessExternalSchema = System.getProperty("javax.xml.accessExternalSchema");
 
-        checkRuntimeVersion();
-
         initializeEngine();
     }
 
@@ -1286,19 +1283,6 @@ private boolean identifiersMatch(Set<Identifier> left, Set<Identifier> right) {
         return false;
     }
 
-    /**
-     * Checks that if Java 8 is being used, it is at least update 251. This is
-     * required as a new method was introduced that is used by Apache HTTP
-     * Client. See
-     * https://stackoverflow.com/questions/76226322/exception-in-thread-httpclient-dispatch-1-java-lang-nosuchmethoderror-javax-n#comment134427003_76226322
-     */
-    private void checkRuntimeVersion() {
-        if (Utils.getJavaVersion() == 8 && Utils.getJavaUpdateVersion() < 251) {
-            LOGGER.error("Non-supported Java Runtime: dependency-check requires at least Java 8 update 251 or higher.");
-            throw new RuntimeException("dependency-check requires Java 8 update 251 or higher");
-        }
-    }
-
     /**
      * {@link Engine} execution modes.
      */

core/src/main/java/org/owasp/dependencycheck/data/update/cisa/KnownExploitedVulnerabilityParser.java

@@ -19,10 +19,8 @@
 
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.Module;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectReader;
-import com.fasterxml.jackson.module.afterburner.AfterburnerModule;
 import com.fasterxml.jackson.module.blackbird.BlackbirdModule;
 import java.io.EOFException;
 import java.io.IOException;
@@ -33,7 +31,6 @@
 import org.owasp.dependencycheck.data.knownexploited.json.KnownExploitedVulnerabilitiesSchema;
 import org.owasp.dependencycheck.data.update.exception.CorruptedDatastreamException;
 import org.owasp.dependencycheck.data.update.exception.UpdateException;
-import org.owasp.dependencycheck.utils.Utils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -61,13 +58,7 @@ public class KnownExploitedVulnerabilityParser {
     public KnownExploitedVulnerabilitiesSchema parse(InputStream in) throws UpdateException, CorruptedDatastreamException {
 
         final ObjectMapper objectMapper = new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-        final Module module;
-        if (Utils.getJavaVersion() <= 8) {
-            module = new AfterburnerModule();
-        } else {
-            module = new BlackbirdModule();
-        }
-        objectMapper.registerModule(module);
+        objectMapper.registerModule(new BlackbirdModule());
 
         final ObjectReader objectReader = objectMapper.readerFor(KnownExploitedVulnerabilitiesSchema.class);