Java learning series: add parameters for program operation to force the access IP format to be converted to IPv4 format

Scenes

When starting the Proxifierexternal network to access the company's internal network resources, after the program is started, a connection error is reported. This blog post is mainly aimed at solving this situation.

surroundings

software	version
JDK	1.8

text

Add the following statement in the startup script:

 -Djava.net.preferIPv4Stack=true

to sum up

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