expose errors

Author: yeikel

.dev/dev_arm64.yaml

@@ -1,5 +1,5 @@
 # This is a compose file designed for arm64/Apple Silicon systems
-# To adapt this to x86 please find and replace ".arm64" with empty
+# To adapt this to x86 please find and replace "" with empty
 
 # ARM64 supported images for kafka can be found here
 # https://hub.docker.com/r/confluentinc/cp-kafka/tags?page=1&name=arm64
@@ -9,36 +9,37 @@ name: "kafbat-ui-dev"
 
 services:
 
-  kafbat-ui:
-    container_name: kafbat-ui
-    image: ghcr.io/kafbat/kafka-ui:latest
-    ports:
-      - 8080:8080
-    depends_on:
-      - kafka0
-      - schema-registry0
-      - kafka-connect0
-      - ksqldb0
-    environment:
-      KAFKA_CLUSTERS_0_NAME: local
-      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka0:29092
-      KAFKA_CLUSTERS_0_METRICS_PORT: 9997
-      KAFKA_CLUSTERS_0_SCHEMAREGISTRY: http://schema-registry0:8085
-      KAFKA_CLUSTERS_0_KAFKACONNECT_0_NAME: first
-      KAFKA_CLUSTERS_0_KAFKACONNECT_0_ADDRESS: http://kafka-connect0:8083
-      KAFKA_CLUSTERS_0_KSQLDBSERVER: http://ksqldb0:8088
-      DYNAMIC_CONFIG_ENABLED: 'true'
-      KAFKA_CLUSTERS_0_AUDIT_TOPICAUDITENABLED: 'true'
-      KAFKA_CLUSTERS_0_AUDIT_CONSOLEAUDITENABLED: 'true'
+  #kafbat-ui:
+  #  container_name: kafbat-ui
+  #  image: ghcr.io/kafbat/kafka-ui:latest
+  #  ports:
+  #    - 8080:8080
+  #  depends_on:
+  #    - kafka0
+  #    - schema-registry0
+  #    - kafka-connect0
+  #    - ksqldb0
+ #   environment:
+ #     KAFKA_CLUSTERS_0_NAME: local
+ #     KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka0:29092
+ #     KAFKA_CLUSTERS_0_METRICS_PORT: 9997
+ #     KAFKA_CLUSTERS_0_SCHEMAREGISTRY: http://schema-registry0:8085
+ #     KAFKA_CLUSTERS_0_KAFKACONNECT_0_NAME: first
+ #     KAFKA_CLUSTERS_0_KAFKACONNECT_0_ADDRESS: http://kafka-connect0:8083
+ #     KAFKA_CLUSTERS_0_KSQLDBSERVER: http://ksqldb0:8088
+ #     DYNAMIC_CONFIG_ENABLED: 'true'
+ #     KAFKA_CLUSTERS_0_AUDIT_TOPICAUDITENABLED: 'true'
+ #     KAFKA_CLUSTERS_0_AUDIT_CONSOLEAUDITENABLED: 'true'
 
   kafka0:
-    image: confluentinc/cp-kafka:7.6.0.arm64
+    image: confluentinc/cp-kafka:7.6.0
     user: "0:0"
     hostname: kafka0
     container_name: kafka0
     ports:
       - 9092:9092
       - 9997:9997
+      - 29092:29092
     environment:
       KAFKA_BROKER_ID: 1
       KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
@@ -55,12 +56,12 @@ services:
       KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
       KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
       KAFKA_JMX_PORT: 9997
-#      KAFKA_JMX_HOSTNAME: localhost # uncomment this line and comment the next one if running with kafka-ui as a jar
+      KAFKA_JMX_HOSTNAME: localhost # uncomment this line and comment the next one if running with kafka-ui as a jar
       KAFKA_JMX_OPTS: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=kafka0 -Dcom.sun.management.jmxremote.rmi.port=9997
       CLUSTER_ID: 'MkU3OEVBNTcwNTJENDM2Qk'
 
   schema-registry0:
-    image: confluentinc/cp-schema-registry:7.6.0.arm64
+    image: confluentinc/cp-schema-registry:7.6.0
     ports:
       - 8085:8085
     depends_on:
@@ -76,7 +77,7 @@ services:
       SCHEMA_REGISTRY_KAFKASTORE_TOPIC: _schemas
 
   kafka-connect0:
-    image: confluentinc/cp-kafka-connect:7.6.0.arm64
+    image: confluentinc/cp-kafka-connect:7.6.0
     ports:
       - 8083:8083
     depends_on:
@@ -101,7 +102,7 @@ services:
       CONNECT_PLUGIN_PATH: "/usr/share/java,/usr/share/confluent-hub-components,/usr/local/share/kafka/plugins,/usr/share/filestream-connectors"
 
   ksqldb0:
-    image: confluentinc/cp-ksqldb-server:7.6.0.arm64
+    image: confluentinc/cp-ksqldb-server:7.6.0
     depends_on:
       - kafka0
       - kafka-connect0
@@ -119,7 +120,7 @@ services:
       KSQL_CACHE_MAX_BYTES_BUFFERING: 0
 
   kafka-init-topics:
-    image: confluentinc/cp-kafka:7.6.0.arm64
+    image: confluentinc/cp-kafka:7.6.0
     volumes:
       - ../documentation/compose/data/message.json:/data/message.json
     depends_on:

api/src/main/java/io/kafbat/ui/client/RetryingKafkaConnectClient.java

@@ -1,5 +1,7 @@
 package io.kafbat.ui.client;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import io.kafbat.ui.config.ClustersProperties;
 import io.kafbat.ui.connect.ApiClient;
 import io.kafbat.ui.connect.api.KafkaConnectClientApi;
@@ -17,6 +19,7 @@
 import java.time.Duration;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import javax.annotation.Nullable;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
@@ -56,10 +59,21 @@ private static <T> Flux<T> withRetryOnConflict(Flux<T> publisher) {
     return publisher.retryWhen(conflictCodeRetry());
   }
 
+  // Adapted from https://github.com/apache/kafka/blob/a0a501952b6d61f6f273bdb8f842346b51e9dfce/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/rest/entities/ErrorMessage.java#L35
+  private record ErrorMessage(@JsonProperty("message") String message) {
+  }
+
   private static <T> Mono<T> withBadRequestErrorHandling(Mono<T> publisher) {
     return publisher
-        .onErrorResume(WebClientResponseException.BadRequest.class, e ->
-            Mono.error(new ValidationException("Invalid configuration")))
+        .onErrorResume(WebClientResponseException.BadRequest.class, e -> {
+          final var errorMessage = e.getResponseBodyAs(ErrorMessage.class);
+
+          if (errorMessage != null && errorMessage.message() != null) {
+            return Mono.error(new ValidationException(errorMessage.message()));
+          }
+
+          return Mono.error(new ValidationException("Invalid configuration"));
+        })
         .onErrorResume(WebClientResponseException.InternalServerError.class, e ->
             Mono.error(new ValidationException("Invalid configuration")));
   }