How do I use jdk.net.hosts.file and fallback to default NS resolution?

Question

After I added -Djdk.net.hosts.file property my app cannot resolve the name of my local machine. Is there a way to make it fallback to default resolution when nothing found in the hosts file I provided?

Lothar · Accepted Answer · 2022-05-04 15:09:49Z

2

Looking at the Java sources it seems that there is no fallback, i.e. it's either the file based name resolution or the system's.

answered May 4, 2022 at 15:09

Lothar

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Tasos P. Over a year ago

Worth noting that according to JEP 418: "An application can use the non-standard, JDK-specific system property jdk.net.hosts.file [...] This feature is useful for testing but it is not a general purpose solution since the complete list of host names is not always known in advance."

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