I use elasticsearch version is 6.4.2,
display question is reject join new node
[2018-10-25T17:24:23,641][WARN ][o.e.d.z.ZenDiscovery ] [xyy-elastic-master-01] failed to validate incoming join request from node [{xyy-elastic-master-02}{KaD_YJDvSI2a7K4AeKrbxA}{2XqM7JiASUmU8kOifbmLYQ}{ dns}{ ipLport}{xpack.installed=true}]
org.elasticsearch.transport.RemoteTransportException: [xyy-elastic-master-02][ip:port][internal:discovery/zen/join/validate]
Caused by: org.elasticsearch.common.io.stream.NotSerializableExceptionWrapper: buffer_underflow_exception: null
my elasticsearch cluster setting is
cluster.name:
node.name: "xyy-elastic-master-02"
node role
node.master: true
node.data: false
node.ingest: false
search.remote.connect: false
node.ml: false
path.logs:
http.max_content_length: 1024mb
bootstrap.memory_lock: true
network.host: dns-name
transport.tcp.port: 28100
http.port: 29100
gateway.recover_after_nodes: 3
gateway.recover_after_time: 30s
discovery.zen.ping.unicast.hosts:
discovery.zen.ping_timeout: 80s
discovery.zen.fd.ping_timeout: 120s
indices.breaker.total.limit: 70%
indices.breaker.fielddata.limit: 60%
indices.breaker.request.limit: 10%
network.breaker.inflight_requests.limit: 100%
indices.fielddata.cache.size: 50%
indices.queries.cache.size: 10%
indices.memory.index_buffer_size: 10%
indices.requests.cache.size: 1%
http.cors.enabled: true
http.cors.allow-origin: "*"
search.default_search_timeout: 150s
thread_pool.bulk.queue_size: 4096
thread_pool.index.queue_size: 1024
thread_pool.search.queue_size: 1024
thread_pool.get.queue_size: 1024
action.auto_create_index: true
action.destructive_requires_name: true
display xpack security
xpack.security.enabled: true
xpack.ssl.key: certs/xyy-elastic-master-02.key
xpack.ssl.certificate: certs/xyy-elastic-master-02.crt
xpack.ssl.certificate_authorities: certs/ca.crt
xpack.security.transport.ssl.enabled: true
xpack.security.http.ssl.enabled: true