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From "Ranjeet Ranjan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-6985) Error connection between cluster node
Date Sat, 02 Jun 2018 09:11:00 GMT
Ranjeet Ranjan created KAFKA-6985:
-------------------------------------

             Summary: Error connection between cluster node
                 Key: KAFKA-6985
                 URL: https://issues.apache.org/jira/browse/KAFKA-6985
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
         Environment: Centos-7
            Reporter: Ranjeet Ranjan


Hi Have setup multi-node Kafka cluster but getting an error while connecting one node to another
although there is an issue with firewall or port. I am able to telnet 

WARN [ReplicaFetcherThread-0-1], Error in fetch Kafka.server.ReplicaFetcherThread$FetchRequest@8395951
(Kafka.server.ReplicaFetcherThread)

java.io.IOException: Connection to Kafka-1:9092 (id: 1 rack: null) failed

 
{code:java}
 

at kafka.utils.NetworkClientBlockingOps$.awaitReady$1(NetworkClientBlockingOps.scala:84)

at kafka.utils.NetworkClientBlockingOps$.blockingReady$extension(NetworkClientBlockingOps.scala:94)

at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:244)

at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)

at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)

at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)

at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)

at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)



{code}
Here you go server.properties

Node:1

 
{code:java}
############################# Server Basics #############################

# The id of the broker. This must be set to a unique integer for each broker.
broker.id=1

# Switch to enable topic deletion or not, default value is false
delete.topic.enable=true

############################# Socket Server Settings #############################


listeners=PLAINTEXT://kafka-1:9092

advertised.listeners=PLAINTEXT://kafka-1:9092

#listener.security.protocol.map=PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL

# The number of threads handling network requests
num.network.threads=3

# The number of threads doing disk I/O
num.io.threads=8

# The send buffer (SO_SNDBUF) used by the socket server
socket.send.buffer.bytes=102400

# The receive buffer (SO_RCVBUF) used by the socket server
socket.receive.buffer.bytes=102400

# The maximum size of a request that the socket server will accept (protection against OOM)
socket.request.max.bytes=104857600


############################# Log Basics #############################

# A comma seperated list of directories under which to store log files
log.dirs=/var/log/kafka

# The default number of log partitions per topic. More partitions allow greater
# parallelism for consumption, but this will also result in more files across
# the brokers.
num.partitions=1

# The number of threads per data directory to be used for log recovery at startup and flushing
at shutdown.
# This value is recommended to be increased for installations with data dirs located in RAID
array.
num.recovery.threads.per.data.dir=1




############################# Log Retention Policy #############################


# The minimum age of a log file to be eligible for deletion due to age
log.retention.hours=48

# A size-based retention policy for logs. Segments are pruned from the log as long as the
remaining
# segments don't drop below log.retention.bytes. Functions independently of log.retention.hours.
log.retention.bytes=1073741824

# The maximum size of a log segment file. When this size is reached a new log segment will
be created.
log.segment.bytes=1073741824

# The interval at which log segments are checked to see if they can be deleted according
# to the retention policies
log.retention.check.interval.ms=300000

############################# Zookeeper #############################

# root directory for all kafka znodes.
zookeeper.connect=10.130.82.28:2181

# Timeout in ms for connecting to zookeeper
zookeeper.connection.timeout.ms=6000

{code}
 

 

Node-2
{code:java}
############################# Server Basics #############################

# The id of the broker. This must be set to a unique integer for each broker.
broker.id=2

# Switch to enable topic deletion or not, default value is false
delete.topic.enable=true

############################# Socket Server Settings #############################


listeners=PLAINTEXT://kafka-2:9092

advertised.listeners=PLAINTEXT://kafka-2:9092

#listener.security.protocol.map=PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL

# The number of threads handling network requests
num.network.threads=3

# The number of threads doing disk I/O
num.io.threads=8

# The send buffer (SO_SNDBUF) used by the socket server
socket.send.buffer.bytes=102400

# The receive buffer (SO_RCVBUF) used by the socket server
socket.receive.buffer.bytes=102400

# The maximum size of a request that the socket server will accept (protection against OOM)
socket.request.max.bytes=104857600


############################# Log Basics #############################

# A comma seperated list of directories under which to store log files
log.dirs=/var/log/kafka

# The default number of log partitions per topic. More partitions allow greater
# parallelism for consumption, but this will also result in more files across
# the brokers.
num.partitions=1

# The number of threads per data directory to be used for log recovery at startup and flushing
at shutdown.
# This value is recommended to be increased for installations with data dirs located in RAID
array.
num.recovery.threads.per.data.dir=1




############################# Log Retention Policy #############################


# The minimum age of a log file to be eligible for deletion due to age
log.retention.hours=48

# A size-based retention policy for logs. Segments are pruned from the log as long as the
remaining
# segments don't drop below log.retention.bytes. Functions independently of log.retention.hours.
log.retention.bytes=1073741824

# The maximum size of a log segment file. When this size is reached a new log segment will
be created.
log.segment.bytes=1073741824

# The interval at which log segments are checked to see if they can be deleted according
# to the retention policies
log.retention.check.interval.ms=300000

############################# Zookeeper #############################

# root directory for all kafka znodes.
zookeeper.connect=10.130.82.28:2181

# Timeout in ms for connecting to zookeeper
zookeeper.connection.timeout.ms=6000
{code}
 

Node- 3

 
{code:java}
############################# Server Basics #############################

# The id of the broker. This must be set to a unique integer for each broker.
broker.id=3

# Switch to enable topic deletion or not, default value is false
delete.topic.enable=true

############################# Socket Server Settings #############################


listeners=PLAINTEXT://kafka-3:9092

advertised.listeners=PLAINTEXT://kafka-3:9092

#listener.security.protocol.map=PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL

# The number of threads handling network requests
num.network.threads=3

# The number of threads doing disk I/O
num.io.threads=8

# The send buffer (SO_SNDBUF) used by the socket server
socket.send.buffer.bytes=102400

# The receive buffer (SO_RCVBUF) used by the socket server
socket.receive.buffer.bytes=102400

# The maximum size of a request that the socket server will accept (protection against OOM)
socket.request.max.bytes=104857600


############################# Log Basics #############################

# A comma seperated list of directories under which to store log files
log.dirs=/var/log/kafka

# The default number of log partitions per topic. More partitions allow greater
# parallelism for consumption, but this will also result in more files across
# the brokers.
num.partitions=1

# The number of threads per data directory to be used for log recovery at startup and flushing
at shutdown.
# This value is recommended to be increased for installations with data dirs located in RAID
array.
num.recovery.threads.per.data.dir=1




############################# Log Retention Policy #############################


# The minimum age of a log file to be eligible for deletion due to age
log.retention.hours=48

# A size-based retention policy for logs. Segments are pruned from the log as long as the
remaining
# segments don't drop below log.retention.bytes. Functions independently of log.retention.hours.
log.retention.bytes=1073741824

# The maximum size of a log segment file. When this size is reached a new log segment will
be created.
log.segment.bytes=1073741824

# The interval at which log segments are checked to see if they can be deleted according
# to the retention policies
log.retention.check.interval.ms=300000

############################# Zookeeper #############################

# root directory for all kafka znodes.
zookeeper.connect=10.130.82.28:2181

# Timeout in ms for connecting to zookeeper
zookeeper.connection.timeout.ms=6000
{code}



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