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Posted to dev@kafka.apache.org by "Dmitry (Jira)" <ji...@apache.org> on 2020/04/07 04:32:00 UTC

[jira] [Created] (KAFKA-9827) MM2 doesnt replicate data

Dmitry created KAFKA-9827:
-----------------------------

             Summary: MM2 doesnt replicate data
                 Key: KAFKA-9827
                 URL: https://issues.apache.org/jira/browse/KAFKA-9827
             Project: Kafka
          Issue Type: Bug
          Components: mirrormaker
    Affects Versions: 2.4.1, 2.4.0
            Reporter: Dmitry
         Attachments: mm2.log

I have 2 servers with different node count:
 # 2.4.0 version, 3 nodes, broker port plaintext:9090
 # 2.4.0 version, 1 nodes, broker port plaintext:9999

I want to transfer data from cluster 1 -> cluster 2 by mirror maker 2.

MM2 configuration:

 
{code:java}
name = mm2-backupFlow
topics = .*
groups = .*

# specify any number of cluster aliases
clusters = m1-source, m1-backup
# connection information for each cluster
m1-source.bootstrap.servers = 172.17.165.49:9090, 172.17.165.50:9090, 172.17.165.51:9090
m1-backup.bootstrap.servers = 172.17.165.52:9999
# enable and configure individual replication flows
m1-source->m1-backup.enabled = true
m1-soruce->m1-backup.emit.heartbeats.enabled = false
{code}
 

When i start MM2 on each clusters created 3 topics:
 * heartbeat
 * *.internal

And thats all. Nothing to happend.

I watching next ERROR's:
{code:java}
[2020-04-07 07:19:16,821] ERROR Plugin class loader for connector: 'org.apache.kafka.connect.mirror.MirrorHeartbeatConnector' was not found. Returning: org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader@1e5f4170 (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader:165)
{code}
{code:java}
[2020-04-07 07:19:18,312] ERROR Plugin class loader for connector: 'org.apache.kafka.connect.mirror.MirrorCheckpointConnector' was not found. Returning: org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader@1e5f4170 (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader:165)
{code}
{code:java}
[2020-04-07 07:19:16,807] ERROR Plugin class loader for connector: 'org.apache.kafka.connect.mirror.MirrorSourceConnector' was not found. Returning: org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader@1e5f4170 (org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader:165){code}
Full log in attach

What i missed ? Help please



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