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marketplace error after fresh install of 2020-06 [message #1828822]

Fri, 19 June 2020 05:29

Eclipse User

Fresh install of 2020-06 , fresh workspace, go to login to access my list of favourite plugins after not using eclipse for more than a year, and error.

Any ideas out there ?

MarketplaceDiscoveryStrategy failed with an error
Cannot complete request to https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&client.version=1.8.3.v20200522-1533&os=macosx&ws=cocoa&nl=en_US&java.version=13.0.2&product=org.eclipse.epp.package.java.product&product.version=4.16.0.I20200604-0540&runtime.version=3.18.0.v20200506-2143&platform.version=4.16.0.v20200604-0540: Invalid response content: The markup in the document preceding the root element must be well-formed.
Invalid response content: The markup in the document preceding the root element must be well-formed.
The markup in the document preceding the root element must be well-formed.
Received response begins with:

1: <!doctype html public "-//w3c//dtd html 4.0 transitional//en">
2: <html>
3:   <head>

Re: marketplace error after fresh install of 2020-06 [message #1828855 is a reply to message #1828822]

Sat, 20 June 2020 00:54

Eclipse User

Perhaps this was a transient server problem because when I visit that URL it yields content that starts like this:

<marketplace>
  <market name="Eclipse Project" id="3891" url="https://marketplace.eclipse.org/category/markets/eclipse-project">
    <category id="6" count="5" url="https://marketplace.eclipse.org/taxonomy/term/6%2C3891" name="Editor"/>

Re: marketplace error after fresh install of 2020-06 [message #1839618 is a reply to message #1828822]

Wed, 24 March 2021 11:38

Eclipse User

I have the same problem, but with 2021-03:
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=4.19: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

I see the XML when I go to https://marketplace.eclipse.org/api/p?client=org.eclipse.epp.mpc.core&os=win32&platform.version=4.19 in a web browser, but Eclipse fails.

Re: marketplace error after fresh install of 2020-06 [message #1839645 is a reply to message #1839618]

Thu, 25 March 2021 02:02

Eclipse User

PKIX errors are caused by the JRE you are using to run the IDE missing the root certificate associated with the site being accessed. Updating your JRE to a newer one should help.

Re: marketplace error after fresh install of 2020-06 [message #1849432 is a reply to message #1839645]

Wed, 19 January 2022 12:08

Eclipse User

hello,
I use in eclipse2021-12 and with jdk 17 and I get error when I try to access the Market place:
org.eclipse.core.runtime.CoreException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at org.eclipse.epp.internal.mpc.core.transport.httpclient.HttpClientTransport.stream(HttpClientTransport.java:117)
at org.eclipse.epp.internal.mpc.core.util.FallbackTransportFactory$FallbackTransport.stream(FallbackTransportFactory.java:74)
at org.eclipse.epp.internal.mpc.core.service.RemoteMarketplaceService.processRequest(RemoteMarketplaceService.java:165)
at org.eclipse.epp.internal.mpc.core.service.RemoteMarketplaceService.processRequest(RemoteMarketplaceService.java:130)
at org.eclipse.epp.internal.mpc.core.service.RemoteMarketplaceService.processRequest(RemoteMarketplaceService.java:117)
at org.eclipse.epp.internal.mpc.core.service.DefaultMarketplaceService.listMarkets(DefaultMarketplaceService.java:195)
at org.eclipse.epp.internal.mpc.core.service.CachingMarketplaceService.listMarkets(CachingMarketplaceService.java:73)
at org.eclipse.epp.internal.mpc.ui.catalog.MarketplaceDiscoveryStrategy.findMarketplaceCategory(MarketplaceDiscoveryStrategy.java:917)
at org.eclipse.epp.internal.mpc.ui.catalog.MarketplaceDiscoveryStrategy.performDiscovery(MarketplaceDiscoveryStrategy.java:232)
at org.eclipse.equinox.internal.p2.discovery.Catalog.performDiscovery(Catalog.java:88)
at org.eclipse.epp.internal.mpc.ui.catalog.MarketplaceCatalog.performDiscovery(MarketplaceCatalog.java:432)
at org.eclipse.equinox.internal.p2.ui.discovery.wizards.CatalogViewer.lambda$1(CatalogViewer.java:568)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)

I try to add the marketPlace certificate to cacerts in jdk but it didn't solve the problem?
Someone can help me with this?

Re: marketplace error after fresh install of 2020-06 [message #1851930 is a reply to message #1849432]

Thu, 21 April 2022 15:18

Eclipse User

I did following two things (not sure which one worked)
First I use chrome browser's address bar's lock button to view the certificate and import it to base64 .cer file, then I imported that cer to cacert that belong's to the jre that my eclipse was using, I thought this would solve the problem, but it was still showing that error, so I went to preference and set the manual proxy (my workplace's proxy setting). After that I could go to marketplace successfully using eclipse context menu.

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