TS still comes with 1.8 and we have a plugin, lets build compatible

java_console/ui/src/main/java/com/rusefi/ui/util/JustOneInstance.java

@@ -3,6 +3,7 @@ package com.rusefi.ui.util;
 import com.devexperts.logging.Logging;
 
 import java.io.IOException;
+import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
@@ -58,8 +59,8 @@ public class JustOneInstance {
     }
 
     private static void handleConnection(Socket clientSocket) throws IOException {
-        try (clientSocket) {
-            PrintWriter networkWriter = new PrintWriter(clientSocket.getOutputStream(), true);
+        try (OutputStream outputStream = clientSocket.getOutputStream()) {
+            PrintWriter networkWriter = new PrintWriter(outputStream, true);
             String msg = new Date() + "Already running " + ProcessHandle.current().pid() + "\r\n";
             log.info(msg);
             networkWriter.println(msg);

java_tools/build.gradle

@@ -8,9 +8,9 @@ allprojects {
 
     plugins.withType(JavaPlugin) {
         java {
-          // let's be vocal that 1.8 is not enough
-          sourceCompatibility = '11'
-          targetCompatibility = '11'
+          // TS still comes with 1.8 and we have a plugin, lets build compatible
+          sourceCompatibility = '8'
+          targetCompatibility = '8'
         }
 
         dependencies {