Only call shutdownLogsIntake at shutdown if we previously called mayb…

…eStartLogsIntake at startup.

This avoids a ClassNotFoundException when shutting down native images - the native-image won't
contain the LogsIntakeSystem class because it wasn't started when the native-image was built,
therefore we should avoid trying to shut it down unconditionally.

dd-java-agent/agent-bootstrap/src/main/java/datadog/trace/bootstrap/Agent.java

@@ -145,6 +145,7 @@ public boolean isEnabledByDefault() {
   private static boolean usmEnabled = false;
   private static boolean telemetryEnabled = true;
   private static boolean debuggerEnabled = false;
+  private static boolean logsIntakeStarted = false;
 
   public static void start(final Instrumentation inst, final URL agentJarURL, String agentArgs) {
     StaticEventLogger.begin("Agent");
@@ -362,7 +363,9 @@ public static void shutdown(final boolean sync) {
     if (telemetryEnabled) {
       stopTelemetry();
     }
-    shutdownLogsIntake();
+    if (logsIntakeStarted) {
+      shutdownLogsIntake();
+    }
   }
 
   public static synchronized Class<?> installAgentCLI() throws Exception {
@@ -808,6 +811,7 @@ private static void maybeStartLogsIntake(Class<?> scoClass, Object sco) {
           AGENT_CLASSLOADER.loadClass("datadog.trace.logging.intake.LogsIntakeSystem");
       final Method logsIntakeInstallerMethod = logsIntakeSystemClass.getMethod("start", scoClass);
       logsIntakeInstallerMethod.invoke(null, sco);
+      logsIntakeStarted = true;
     } catch (final Throwable e) {
       log.warn("Not starting Logs Intake subsystem", e);
     }