如何解决无法将Fluend连接到ElasticSearch
我正在按照说明从HERE将FluentD连接到Elastic。
不幸的是，当我部署守护程序集时，出现以下错误：
2020-11-05 09:13:19 +0000 [warn]: #0 [out_es] Could not communicate to Elasticsearch,resetting connection and trying again. no implicit conversion of nil into String (TypeError)
2020-11-05 09:13:19 +0000 [warn]: #0 [out_es] Remaining retry: 14. Retry to communicate after 2 second(s).
2020-11-05 09:13:23 +0000 [warn]: #0 [out_es] Could not communicate to Elasticsearch,resetting connection and trying again. no implicit conversion of nil into String (TypeError)
2020-11-05 09:13:23 +0000 [warn]: #0 [out_es] Remaining retry: 13. Retry to communicate after 4 second(s).
2020-11-05 09:13:31 +0000 [warn]: #0 [out_es] Could not communicate to Elasticsearch,resetting connection and trying again. no implicit conversion of nil into String (TypeError)
2020-11-05 09:13:31 +0000 [warn]: #0 [out_es] Remaining retry: 12. Retry to communicate after 8 second(s).
2020-11-05 09:13:47 +0000 [warn]: #0 [out_es] Could not communicate to Elasticsearch,resetting connection and trying again. no implicit conversion of nil into String (TypeError)
2020-11-05 09:13:47 +0000 [warn]: #0 [out_es] Remaining retry: 11. Retry to communicate after 16 second(s).
2020-11-05 09:14:24 +0000 [warn]: #0 [out_es] Could not communicate to Elasticsearch,resetting connection and trying again. no implicit conversion of nil into String (TypeError)
2020-11-05 09:14:24 +0000 [warn]: #0 [out_es] Remaining retry: 10. Retry to communicate after 32 second(s).
2020-11-05 09:15:28 +0000 [warn]: #0 [out_es] Could not communicate to Elasticsearch,resetting connection and trying again. no implicit conversion of nil into String (TypeError)
2020-11-05 09:15:28 +0000 [warn]: #0 [out_es] Remaining retry: 9. Retry to communicate after 64 second(s).
#<Thread:0x00007fcf20f41a40@/fluentd/vendor/bundle/ruby/2.6.0/gems/fluent-plugin-kubernetes_Metadata_filter-2.3.0/lib/fluent/plugin/filter_kubernetes_Metadata.rb:265 run> terminated with exception (report_on_exception is true):
/usr/local/lib/ruby/2.6.0/openssl/buffering.rb:125:in `sysread': error reading from socket: Connection reset by peer (HTTP::ConnectionError)
from /usr/local/lib/ruby/2.6.0/openssl/buffering.rb:125:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/timeout/null.rb:45:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/connection.rb:212:in `read_more'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/connection.rb:92:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/response/body.rb:30:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/response/body.rb:36:in `each'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/kubeclient-4.9.1/lib/kubeclient/watch_stream.rb:25:in `each'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/fluent-plugin-kubernetes_Metadata_filter-2.3.0/lib/fluent/plugin/kubernetes_Metadata_watch_namespaces.rb:36:in `start_namespace_watch'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/fluent-plugin-kubernetes_Metadata_filter-2.3.0/lib/fluent/plugin/filter_kubernetes_Metadata.rb:265:in `block in configure'
/usr/local/lib/ruby/2.6.0/openssl/buffering.rb:125:in `sysread': Connection reset by peer (Errno::ECONNRESET)
from /usr/local/lib/ruby/2.6.0/openssl/buffering.rb:125:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/timeout/null.rb:45:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/connection.rb:212:in `read_more'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/connection.rb:92:in `readpartial'
from /fluentd/vendor/bundle/ruby/2.6.0/gems/http-4.4.1/lib/http/response/body.rb:30:in `readpartial'
我为此标志尝试了true和false：
- name: FLUENT_ELASTICSEARCH_SSL_VERIFY
value: "false"
也没有运气。
对于可能出现问题的任何指示，我将不胜感激。
解决方法
您正在将一个env变量传递一个空白值。更新它。
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