I don't believe that this is specifically a problem with the vSphere Cloud 
plugin.  I believe that this is a problem with your installed Java 
attempting to contact the vSphere server using SSL.  Recent versions of 
Java have been deprecating and disabling (be default) certain low-security 
cryptographic algorithms and hashes.  Unfortunately, some of those hashes 
and such are still being used by certificates, particularly the one that is 
being used by your vSphere.  I suspect that if you used a real-world 
certificate rather than the self-generated one vSphere is using - that 
might help.  Or re-enabling the disable algorithms/hashes in Java.  Doing a 
google search on "Certificates does not conform to algorithm constraints" 
will return a number of other folks with the same problem - and the 
solutions that they used to resolve the problem.
Jason

On Thursday, January 30, 2014 1:43:36 AM UTC-8, ashesh mamidi wrote:
>
> I am a new to Jenkins and started learning about few plugins.
> I installed the Vsphere cloud plugin and tried to configure the vSphere 
> Cloud settings in the Jenkins 'Configure System' menu.
> https://wiki.jenkins-ci.org/display/JENKINS/vSphere+Cloud+Plugin
>
>
>
> But after clicking on Test Connection, I see an error. 
> Please let me know how I can get rid of the error. I guess it is related 
> to certificates, but I'm not sure.
>
> *Error*:
>
> A problem occurred while processing the request. Please check our bug 
> tracker <https://issues.jenkins-ci.org/> to see if a similar problem has 
> already been reported. If it is already reported, please vote and put a 
> comment on it to let us gauge the impact of the problem. If you think this 
> is a new issue, please file a new issue. When you file an issue, make sure 
> to add the entire stack trace, along with the version of Jenkins and 
> relevant plugins. The users 
> list<http://jenkins-ci.org/content/mailing-lists>might be also useful in 
> understanding what has happened.
> Stack trace
>
> javax.servlet.ServletException: java.lang.RuntimeException: 
> org.jenkinsci.plugins.vsphere.tools.VSphereException: 
> java.rmi.RemoteException: VI SDK invoke 
> exception:javax.net.ssl.SSLHandshakeException: 
> java.security.cert.CertificateException: Certificates does not conform to 
> algorithm constraints
>       at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:778)
>       at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
>       at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:248)
>       at 
> org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
>       at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
>       at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
>       at org.kohsuke.stapler.Stapler.invoke(Stapler.java:631)
>       at org.kohsuke.stapler.Stapler.service(Stapler.java:225)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
>       at 
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
>       at 
> hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96)
>       at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
>       at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
>       at 
> hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
>       at 
> hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
>       at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
>       at 
> org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:46)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
>       at 
> hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
>       at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
>       at 
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
>       at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
>       at 
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
>       at 
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
>       at 
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
>       at 
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
>       at 
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
>       at 
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
>       at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
>       at 
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
>       at org.eclipse.jetty.server.Server.handle(Server.java:370)
>       at 
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
>       at 
> org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:960)
>       at 
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1021)
>       at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
>       at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
>       at 
> org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
>       at 
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
>       at 
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
>       at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
>       at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
>       at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>       at java.lang.Thread.run(Unknown Source)
> Caused by: java.lang.RuntimeException: 
> org.jenkinsci.plugins.vsphere.tools.VSphereException: 
> java.rmi.RemoteException: VI SDK invoke 
> exception:javax.net.ssl.SSLHandshakeException: 
> java.security.cert.CertificateException: Certificates does not conform to 
> algorithm constraints
>       at 
> org.jenkinsci.plugins.vSphereCloud$DescriptorImpl.doTestConnection(vSphereCloud.java:262)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>       at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>       at java.lang.reflect.Method.invoke(Unknown Source)
>       at 
> org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
>       at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
>       at 
> org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
>       at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:120)
>       at 
> org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
>       at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
>       ... 46 more
> Caused by: org.jenkinsci.plugins.vsphere.tools.VSphereException: 
> java.rmi.RemoteException: VI SDK invoke 
> exception:javax.net.ssl.SSLHandshakeException: 
> java.security.cert.CertificateException: Certificates does not conform to 
> algorithm constraints
>       at org.jenkinsci.plugins.vsphere.tools.VSphere.<init>(VSphere.java:52)
>       at org.jenkinsci.plugins.vsphere.tools.VSphere.connect(VSphere.java:65)
>       at 
> org.jenkinsci.plugins.vSphereCloud$DescriptorImpl.doTestConnection(vSphereCloud.java:258)
>       ... 56 more
> Caused by: java.rmi.RemoteException: VI SDK invoke 
> exception:javax.net.ssl.SSLHandshakeException: 
> java.security.cert.CertificateException: Certificates does not conform to 
> algorithm constraints
>       at com.vmware.vim25.ws.WSClient.invoke(WSClient.java:183)
>       at com.vmware.vim25.ws.WSClient.invoke(WSClient.java:125)
>       at com.vmware.vim25.ws.VimStub.retrieveServiceContent(VimStub.java:1409)
>       at com.vmware.vim25.mo.ServiceInstance.<init>(ServiceInstance.java:85)
>       at com.vmware.vim25.mo.ServiceInstance.<init>(ServiceInstance.java:69)
>       at org.jenkinsci.plugins.vsphere.tools.VSphere.<init>(VSphere.java:50)
>       ... 58 more
>
>
>
>

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