diff --git a/config/config.go b/config/config.go
index e118451..bcf8117 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,10 +1,13 @@
 package config
 
 import (
+	"errors"
 	"math"
 	"strconv"
 	"time"
 
+	"github.com/Trendyol/go-dcp/logger"
+
 	"github.com/Trendyol/go-dcp/config"
 	"github.com/Trendyol/go-dcp/helpers"
 	"github.com/segmentio/kafka-go"
@@ -50,13 +53,17 @@ func (k *Kafka) GetBalancer() kafka.Balancer {
 	case "Murmur2Balancer":
 		return kafka.Murmur2Balancer{}
 	default:
-		panic("invalid kafka balancer method, given: " + k.Balancer)
+		err := errors.New("invalid kafka balancer method, given: " + k.Balancer)
+		logger.Log.Error("error while get kafka balancer, err: %v", err)
+		panic(err)
 	}
 }
 
 func (k *Kafka) GetCompression() int8 {
 	if k.Compression < 0 || k.Compression > 4 {
-		panic("invalid kafka compression method, given: " + strconv.Itoa(int(k.Compression)))
+		err := errors.New("invalid kafka compression method, given: " + strconv.Itoa(int(k.Compression)))
+		logger.Log.Error("error while get kafka compression, err: %v", err)
+		panic(err)
 	}
 	return k.Compression
 }
diff --git a/connector.go b/connector.go
index e74e5c7..55dab73 100644
--- a/connector.go
+++ b/connector.go
@@ -123,7 +123,12 @@ func (c *connector) getTopicName(collectionName string, messageTopic string) str
 
 	topic := c.config.Kafka.CollectionTopicMapping[collectionName]
 	if topic == "" {
-		panic(fmt.Sprintf("there is no topic mapping for collection: %s on your configuration", collectionName))
+		err := fmt.Errorf(
+			"there is no topic mapping for collection: %s on your configuration",
+			collectionName,
+		)
+		logger.Log.Error("error while get topic name, err: %v", err)
+		panic(err)
 	}
 	return topic
 }
diff --git a/docker-compose.yml b/docker-compose.yml
index 6e7b8fe..4579ff9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,41 +7,49 @@ services:
       - "8091:8091"
       - "11210:11210"
     healthcheck:
-      test: [ "CMD", "curl", "-f", "http://user:123456@localhost:8091/pools/default/buckets/dcp-test" ]
+      test: [ "CMD", "curl", "-f", "http://user:password@localhost:8091/pools/default/buckets/dcp-test" ]
       interval: 2s
       timeout: 3s
       retries: 60
-  redpanda:
-    image: docker.redpanda.com/redpandadata/redpanda
-    container_name: redpanda-1
-    command:
-      - redpanda
-      - start
-      - --smp
-      - '1'
-      - --reserve-memory
-      - 0M
-      - --overprovisioned
-      - --node-id
-      - '0'
-      - --kafka-addr
-      - PLAINTEXT://0.0.0.0:29092,OUTSIDE://0.0.0.0:9092
-      - --advertise-kafka-addr
-      - PLAINTEXT://redpanda:29092,OUTSIDE://localhost:9092
-      - --pandaproxy-addr
-      - PLAINTEXT://0.0.0.0:28082,OUTSIDE://0.0.0.0:8082
-      - --advertise-pandaproxy-addr
-      - PLAINTEXT://redpanda:28082,OUTSIDE://localhost:8082
+  zookeeper:
+    image: confluentinc/cp-zookeeper:7.6.1
+    container_name: zookeeper
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+  broker:
+    image: confluentinc/cp-kafka:7.6.1
+    container_name: broker
     ports:
-      - 8081:8081
-      - 8082:8082
-      - 9092:9092
-      - 28082:28082
-      - 29092:29092
+      - "9092:9092"
+    depends_on:
+      - zookeeper
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092,PLAINTEXT_INTERNAL://broker:29092
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
+      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
+      KAFKA_AUTO_CREATE_TOPICS_ENABLE: true
+  kowl:
+    image: quay.io/cloudhut/kowl:master-59f68da
+    container_name: kowl
+    depends_on:
+      - broker
+    ports:
+      - "8081:8080"
+    environment:
+      KAFKA_BROKERS: 'broker:29092'
+    healthcheck:
+      test: wget --no-verbose --tries=1 --spider http://localhost:8080/api/topics/topicname/partitions || exit 1
+      interval: 2s
+      timeout: 3s
+      retries: 60
   redpanda-topic-create:
-    image: docker.redpanda.com/redpandadata/redpanda
+    image: docker.redpanda.com/redpandadata/redpanda:v24.2.8
     container_name: redpanda-topic-create
-    entrypoint: [ "bash", "-c", "sleep 5 && rpk topic create test --brokers redpanda:29092" ]
     depends_on:
-      - redpanda
-    restart: "no"
+      - kowl
+    entrypoint: [ "bash", "-c", "sleep 10 && rpk topic create topicname -c max.message.bytes=10485760 --brokers broker:29092" ]
\ No newline at end of file
diff --git a/example/simple/main.go b/example/simple/main.go
index dcbeac9..6d7db15 100644
--- a/example/simple/main.go
+++ b/example/simple/main.go
@@ -23,11 +23,11 @@ type sinkResponseHandler struct {
 }
 
 func (s *sinkResponseHandler) OnSuccess(ctx *kafka.SinkResponseHandlerContext) {
-	fmt.Printf("OnSuccess %v\n", string(ctx.Message.Value))
+	fmt.Printf("OnSuccess Key: %v, Len: %v\n", string(ctx.Message.Key), len(ctx.Message.Value))
 }
 
 func (s *sinkResponseHandler) OnError(ctx *kafka.SinkResponseHandlerContext) {
-	fmt.Printf("OnError %v\n", string(ctx.Message.Value))
+	fmt.Printf("OnError Key: %v, Len: %v, Err: %v\n", string(ctx.Message.Key), len(ctx.Message.Value), ctx.Err)
 }
 
 func main() {
diff --git a/kafka/client.go b/kafka/client.go
index 69903b3..35d4350 100644
--- a/kafka/client.go
+++ b/kafka/client.go
@@ -300,6 +300,7 @@ func NewClient(config *config.Connector) Client {
 			config.Kafka.InterCA,
 		)
 		if err != nil {
+			logger.Log.Error("error while creating new tls content, err: %v", err)
 			panic(err)
 		}
 
diff --git a/test/couchbase/Dockerfile b/test/couchbase/Dockerfile
index 2ab3ddb..d7b9015 100644
--- a/test/couchbase/Dockerfile
+++ b/test/couchbase/Dockerfile
@@ -1,4 +1,4 @@
-FROM couchbase:community-7.6.1
+FROM couchbase:7.6.3
 
 ADD configure.sh /configure.sh
 RUN chmod +x /configure.sh
diff --git a/test/couchbase/configure.sh b/test/couchbase/configure.sh
index 7f8a842..5b3812f 100644
--- a/test/couchbase/configure.sh
+++ b/test/couchbase/configure.sh
@@ -30,11 +30,12 @@ until [[ $(check_db) = 0 ]]; do
 done
 
 couchbase-cli cluster-init -c localhost --cluster-name Cluster --cluster-username user \
-  --cluster-password 123456 --services data --cluster-ramsize 1024
+  --cluster-password password --services data --cluster-ramsize 1024
 
-couchbase-cli bucket-create -c couchbase --username user --password 123456 --bucket dcp-test --bucket-type couchbase --bucket-ramsize 1024
+couchbase-cli bucket-create -c couchbase --username user --password password --bucket dcp-test --bucket-type couchbase --bucket-ramsize 768
+couchbase-cli bucket-create -c couchbase --username user --password password --bucket checkpoint-bucket-name --bucket-type couchbase --bucket-ramsize 256
 
-cbimport json -c couchbase://127.0.0.1 -u user -p 123456 --bucket-quota 1024 -b dcp-test -d file://opt/couchbase/samples/travel-sample.zip -f sample
+cbimport json -c couchbase://127.0.0.1 -u user -p password --bucket-quota 768 -b dcp-test -d file://opt/couchbase/samples/travel-sample.zip -f sample
 
 echo "couchbase-dev started"
 
diff --git a/test/integration/config.yml b/test/integration/config.yml
index b4128ed..0aee836 100644
--- a/test/integration/config.yml
+++ b/test/integration/config.yml
@@ -1,7 +1,7 @@
 hosts:
   - localhost:8091
 username: user
-password: 123456
+password: password
 bucketName: dcp-test
 rollbackMitigation:
   disabled: true
@@ -21,7 +21,7 @@ metadata:
     collection: _default
 kafka:
   collectionTopicMapping:
-    _default: test
+    _default: topicname
   brokers:
     - "localhost:9092"
   readTimeout: 30s
@@ -31,4 +31,4 @@ kafka:
   producerBatchTickerDuration: 5s
   metadataTTL: 2400s
   metadataTopics:
-    - "test"
\ No newline at end of file
+    - "topicname"
\ No newline at end of file