Main Tutorials

How to configure Proxy Settings in Eclipse

Often times, Eclipse IDE may need access to the Internet for some plugins install and update. If your computer is behind a proxy server, most company do, Eclipse will keep hanging and take very long time to process and failed at the end. You have to configure the proxy settings in Eclipse in order to pass through it.

Howh to configure Proxy Settings in Eclipse

1) In Eclipse IDE, select “Window –> Preferences”

2) Preferences box prompt out, choose “Network Connections”.

3) Select “Manual” from Action Provider drop down list

How-to-configure-Proxy-Settings-in-Eclipse-1

4) Select Http in the List and click “Edit” button

5) Fill in the proxy server host and port number, (fill in the username and password if any)

How-to-configure-Proxy-Settings-in-Eclipse-2

6) Ok, Done.

Now, Eclipse is able to connect to Internet and pass through Proxy server.

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Founder of Mkyong.com, love Java and open source stuff. Follow him on Twitter. If you like my tutorials, consider make a donation to these charities.

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Valeriy Pogrebitskiy
8 years ago

Eclipse’s proxy configuration requires both HOST and PORT. But what about auto proxy configuration *scripts*? In other words, if IT provides proxy configuration script (let’s say http://myhost.com/autoproxy.cgi) – how can that be used in Eclipse? I was not able to use such script …

Ashritha
3 years ago

1.When I am trying to create new maven project, getting the below error:

Could not resolve archetype org.apache.maven.archetypes:maven-archetype-quickstart:1.1 from any of the configured repositories.
Could not resolve artifact org.apache.maven.archetypes:maven-archetype-quickstart:pom:1.1

2.When trying to access eclipse marketplace getting below error:

MarketplaceDiscoveryStrategy failed with an error
Cannot complete request to https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&os=win32&platform.version=4.17: Unable to read repository at https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&os=win32&platform.version=4.17.
Unable to read repository at https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&os=win32&platform.version=4.17.
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

My company is not using proxy. But when I use at home eclipse works fine. Please guide me through it

dbnex
2 years ago
Reply to  Ashritha

we use proxy and I get the same errors you got. Going through these steps did not resolve the issue for me.

dbnex
2 years ago
Reply to  Ashritha

my company is using proxy and I have same issues as you described. I dont know solution yet

ibo
10 years ago

proxy bypass, you have to remove them, localhost and 127.1.1.0, and it will work.

dbnex
2 years ago
Reply to  ibo

removing proxy bypass (both localhost and 127.1.1.0) did not resolve issue for me which is
“PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target”

Nithin
7 years ago
Reply to  ibo

it worked for me , thanks

jameskaron
7 years ago

Thank you. Useful. I fogot to restart so I try many times and not work.

Pasacl97_
4 years ago

thanks you very much. Amazing skills. Amazing post. What a release.

Ayca AKBOYRAZ
5 years ago

Hello,

I chose manual in the menu but all the boxes are already selected and I can’t deselect any of them. What could be the reason?

Rafael
5 years ago

thanks!

Shindo
8 years ago

Thank you so much Mkyong! Everytime I have a question I find the answer on your page!

Srinivasan
9 years ago

Nice. it solved my problem. Thanks man…

Alex
9 years ago

I did use authentication, so maybe thats why i had to restart..?

Alex
9 years ago

Dont forget to restart eclipse. For me it only worked after setting proxy settings, and then restarting eclipse. Thanks for the tutorial!

kandy
9 years ago

Thanx….All ur tutorials are very usefull….

Markus M
9 years ago

Thank you!
Workes like a miracle. First time ever, i was able to enter the eclipse marketplace from behind a firewall.

farouk1301
10 years ago

thank for this Tuto

Dude
10 years ago

You’re very clear dude! Cool!

Iven
10 years ago

thanks

Herick
10 years ago

I was having trouble with Eclipse Marketplace, turns out the proxy settings did it. Thank you for this.

Cyril
10 years ago

Thank you very much it is worked for me…

ibo
10 years ago

you have to delete localhost and 127.1.1.0, it will work. it works with me.
withtout server and port,… only delete down , the localhost and 127.1.1.0
have a nice day,

dbnex
2 years ago
Reply to  ibo

not solving issue for me, deleted them and restarted eclipse, same issue
“PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target”

Harsha
10 years ago

Hi, I am not able to still connect through eclipse. I am not able to uncheck the socks connection and keeping it manual and running it gives an error saying UnreachableBrowserException. Error contacting the remote browser. It may have died. Is there any other thing or option to configure??

Walter C
10 years ago

thanks

Alfred Bfred
10 years ago

This works quite perfect. Thanks alot

Victor S
10 years ago

Great help. Thanks.

Marek Sebera
10 years ago

Good point is not to configure SOCKS proxy if the proxy actually doesn’t support it.
Configure just HTTP and HTTPS and clear SOCKS

http://stackoverflow.com/questions/5857499/how-do-i-have-to-configure-the-proxy-settings-so-eclipse-can-download-new-plugin

Xenomorph
4 years ago
Reply to  Marek Sebera

Thanks bro 😉

yodamad
9 years ago
Reply to  Marek Sebera

Yes ! that was the solution !!! Thx !

Chirag
9 years ago
Reply to  Marek Sebera

Hey, thanks this works for me… 🙂

AjayKumarBasuthkar
10 years ago
Reply to  Marek Sebera

Hi Marek Sebera,

After three days of fiddling this really worked!!!
Kind of you.

Nashrul
10 years ago

hello, this is nice tutorial. thanks a lot

corporategirl
11 years ago

Hello, nice documentment, how do you trace the proxy connection from eclipse?
What trace strings should we set in the .options file?
should that be org.eclipse.core.net/debug=true
and org.eclipse.core.net.proxy/debug=true?
Thank in advance

Rujvendra
11 years ago

thanks,one of the nice tutorial

Ehab
11 years ago

thank you, very helpful

Harry
11 years ago

Thanks for your trouble, appreciate it.

mike
11 years ago

Just interesting.
When i want to update eclipse i set “active provider” to “manual”.
If i want to connect to inner svn server i should check “active provider” to “native”.
Then all works fine.
Is there any way to do it automatically?