Java app unable to resolve DNS , alpine 3.19

[debadutta24]

In alpine 3.19, nslookup is working but when we try to resolve DNS from our application, it throws an exception.

2024-11-21 02:06:10,557 main ERROR Unable to invoke factory method in class com.imi.dvp.vxi.notify.common.DVPKafkaAppender for element DVPKafkaAppender: java.lang.RuntimeException: java.net.UnknownHostException: ip-172-19-30-189.proeu.imiconnect.com: ip-172-19-30-189.proeu.imiconnect.com: Name has no usable address java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:138)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1122)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1047)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1039)
at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:651)
at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:249)

When I set

dnsConfig:
options:
- name: ndots
value: "1"

It works properly. Is this expected behaviour ?