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I want to use eclipse marketplace for adding svn plugin but when i try to do it i have this exception :

Cannot open Eclipse Marketplace
Cannot install remote marketplace locations: Unable to read repository at marketplace.eclipse.org/catalogs/api/p.
Unable to read repository at marketplace.eclipse.org/catalogs/api/p.
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
Unable to read repository at marketplace.eclipse.org/catalogs/api/p.
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

I use eclipse kepler.

have you any suggestions ?

thank you

Chandrayya G K
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as_taous
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1 Answers1

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I am afraid, it is not proxy. Nor the antivirus. I had the same problem and neither helped. But your Eclipse simply can't reach a site because java 7 by default makes Eclpse to reach it throught the protocol IP6, that is not really supported by Eclipse, at least in versions till 4.3.

Go to cmd, use 

setx _JAVA_OPTIONS -Djava.net.preferIPv4Stack=true

restart eclipse and it will work.

Gangnus
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  • This didn't work for me, I'm behind a proxy and the certificate I see is coming from the proxy. So I need to import this certificate somewhere in eclipse i suppose. – aliopi Nov 15 '17 at 14:47
  • Surely, you have Eclipse newer than 4.3. I am afraid, now the reason could be different. Find your, recent way and publish it here as another answer. – Gangnus Nov 15 '17 at 15:08
  • BTW, does your jvm has the certificate for the URL you are trying to reach? – Gangnus Nov 15 '17 at 15:10
  • I have `Eclipse Oxygen.1a (4.7.1a)`, I imported the certificate into `cacerts` of my JVM, and I set the `-vm` parameter in the `eclipse.ini` but no luck. Sorry if I commented at the wrong answer! – aliopi Nov 15 '17 at 15:18
  • The following reference is about different vm key, but the main thought remains the same - to change ini IS NOT ENOUGH! https://stackoverflow.com/a/10814631/715269 – Gangnus Nov 15 '17 at 15:27