Fix Java (UnknownHostException) Issue with Linux App

Greetings and salutations, I have looked at the file you provided and have come up with a solution. First of all, you are right, and it is a DNS issue, and it is only a matter of tracking down which DNS component is causing the problems (my guess is that it is the hosts file). However, Java is a bit tricky for one reason, and that is that JVM has its own networking cache, which includes DNS. Lucky for you, flushing the cache is easy. That is all i can say based on the info i was given, but please do feel free to contact me if you are interested. Until then, best regards.

Hi i am a software engineer having 13+ professional experience. i will help you in solving this issue. We can discus more over chat and fix the issue. Thanks Kamran.

I have 6+ years of experience in the Linux and AWS server. I can help you to fix the unhost issue. thanks

A Network Solutions Engineer Specialized in Cisco , Microsoft Based Solutions and linux. Working in Networking and Technical Training Fields. Qualifications: - CCNA (R&S). - Microsoft Certified Solutions Administrator (MCSA). - Microsoft Certified Solutions expert (MCSE). - linux (ubuntu , fedora , redhat) - CCNP (R&S). - HCNA R&S - HCNA Cloud - HCNP R&S -CCNA Security -CCNP Security -CCNP Collaboration - Advanced Route (BGP & MPLS) - Preparing for CCIE R&S - Preparing for Cisco (Security & Data Center) Tracks. - Preparing for ITIL Foundation. - System analysis If you want to work with me, feel free to contact me for more information.

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Hey Let me check your issue. I have worked on many Java networking application which uses client and sever java programs. I owe expertise in both Java and Linux networking. The error seems to occur due to invalid host/wrong port. please give me an opportunity to resolve this. Thank you.