Zuul egress-gateway throws socket hang ups intermittently

[shreddy99]

Hi Community,

Need help with zuul egress-gateway. We are seeing intermittent "socket hang ups" for our microservices from zuul gateway. Below is the zuul configuartion, kindly let me know if anything needs to be updated/changed.

Java version: openjdk version "1.8.0_262"

#For eureka clients running in eureka server, it needs to connect to servers in other zones
eureka.preferSameZone=false
 

Dont register locally running instances.

eureka.registration.enabled=false
 

Loading Filters

zuul.filters.root=com/companyname/zuul/filters
zuul.filters.locations=com/citizensbank/zuul/filters/inbound,com/companyname/zuul/filters/endpoint,com/companyname/zuul/filters/outbound
zuul.filters.packages=com.netflix.zuul.filters.common
 

Load balancing backends without Eureka

eureka.shouldFetchRegistry=false
#not using cloud so dont have that set
eureka.validateInstanceId=false
 
#Base config for API Connect
apigateway.ribbon.listOfServers=APIConnectdmzsit.internal.companyname.com:443
apigateway.ribbon.client.NIWSServerListClassName=com.netflix.loadbalancer.ConfigurationBasedServerList
apigateway.ribbon.DeploymentContextBasedVipAddresses=apigateway-localhost:443
#apigateway.ribbon.ReadTimeout=10000
#support https on outbound
apigateway.ribbon.IsSecure=true
apigateway.ribbon.MaxConnectionsPerHost=150
#generic config
api.ribbon.MaxConnectionsPerHost=150
zuul.origin.api.concurrency.protect.enabled=false
zuul.server.netty.threads.acceptor=5
zuul.server.netty.threads.worker=8