Elasticsearch exception

[zhangy-bs]

Please answer these questions before submitting your issue.

• Why do you submit this issue?
• [* ] Question or discussion
• Bug
• Requirement
• Feature or performance improvement

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Question

• What do you want to know?
  Why are there conflicts？Does it matter？

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Bug

• Which version of SkyWalking, OS and JRE?
  OS: centos 7.4
  ES: 6.6.0 [three node]
  ZK: 3.4.14 [three node]
  Skywalking: 6.1.0 [three node]

• Which company or project?

• What happen?
  org.apache.skywalking.oap.server.core.register.worker.RegisterPersistentWorker - 113 [DataCarrier.REGISTER_L2.BulkConsumePool.0.Thread] ERROR [] - Elasticsearch exce
  ption [type=version_conflict_engine_exception, reason=[type][tenant-service_0_0]: version conflict, current version [259191] is different than the one provided [259190]]

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Requirement or improvement

• Please describe about your requirements or improvement suggestions.

[wu-sheng]

This is OK, because we use Optimistic Lock. So it fails sometimes.