diff --git a/java_console/io/src/main/java/com/rusefi/io/tcp/BinaryProtocolServer.java b/java_console/io/src/main/java/com/rusefi/io/tcp/BinaryProtocolServer.java
index b4f5d5d0fe..a46115b42a 100644
--- a/java_console/io/src/main/java/com/rusefi/io/tcp/BinaryProtocolServer.java
+++ b/java_console/io/src/main/java/com/rusefi/io/tcp/BinaryProtocolServer.java
@@ -211,7 +211,7 @@ public class BinaryProtocolServer implements BinaryProtocolCommands {
         int crc = in.readInt();
         int fromPacket = IoHelper.getCrc32(packet);
         if (crc != fromPacket)
-            throw new IllegalStateException("CRC mismatch " + crc + " vs " + fromPacket + " " + IoStream.printHexBinary(packet));
+            throw new IllegalStateException("CRC mismatch crc=" + Integer.toString(crc, 16) + " vs packet=" + Integer.toString(fromPacket, 16) + " len=" + packet.length + " data: " + IoStream.printHexBinary(packet));
         return new Packet(packet, crc);
     }
 
diff --git a/java_console/ui/src/test/java/com/rusefi/ServerTest.java b/java_console/ui/src/test/java/com/rusefi/ServerTest.java
index d163c7c899..f6652c20f4 100644
--- a/java_console/ui/src/test/java/com/rusefi/ServerTest.java
+++ b/java_console/ui/src/test/java/com/rusefi/ServerTest.java
@@ -121,7 +121,7 @@ public class ServerTest {
         int serverPortForRemoteUsers = 6800;
 
         UserDetailsResolver userDetailsResolver = authToken -> new UserDetails(authToken.substring(0, 5), authToken.charAt(6));
-        int httpPort = 8001;
+        int httpPort = 8002;
 
         CountDownLatch disconnectedCountDownLatch = new CountDownLatch(1);
 
@@ -158,7 +158,7 @@ public class ServerTest {
         CountDownLatch controllerRegistered = new CountDownLatch(1);
 
         UserDetailsResolver userDetailsResolver = authToken -> new UserDetails(authToken.substring(0, 5), userId);
-        int httpPort = 8001;
+        int httpPort = 8003;
         try (Backend backend = new Backend(userDetailsResolver, httpPort, logger) {
             @Override
             protected void onRegister(ControllerConnectionState controllerConnectionState) {