Web UI fails to connect to DNS name in esp.router.routes.esp.target

Products

• ESP Workload Automation

Issue/Introduction

Web UI fails to connect to DNS name in esp.router.routes.esp.target

Environment

Component: ESP Workload Automation
Release: ALL

Cause

WEBUI using JAVA 17 error  io.netty.resolver.dns.DnsNameResolverTimeoutException
The problem is caused by internal IBM Java 17+ changes (how domain names are resolved) in combination with a particular system setup

Resolution

Update CYBWUI03 member

IJO="$IJO ${JVM_SECURITY_PROP}${JVM_SECURITY_PATH}"
IJO="$IJO="$IJO -Dio.netty.resolver.dns.defaultNameServerFallback=<insert primary DNS IP address>,<insert secondary DNS IP address>"