maven工程下导入的jar坐标
org.elasticsearch
elasticsearch
5.6.8
org.elasticsearch.client
transport
5.6.8
org.apache.logging.log4j
log4j-to-slf4j
2.10.0
org.slf4j
slf4j-api
1.7.25
org.slf4j
slf4j-simple
1.7.5
log4j
log4j
1.2.12
junit
junit
4.12
com.fasterxml.jackson.core
jackson-databind
2.9.6
com.fasterxml.jackson.core
jackson-annotations
2.9.0
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