Go to Manage Jenkins » Manage Plugins » Advanced and click 'Check Now'. If that doesn't help, check the log at /log/all for possibly relevant messages.
Are you in China or a neighboring country? On 24.03.2015, at 09:59, Clifford Sanders <clifford...@gmail.com> wrote: > We use version 1.594 and have the same problem. I attached a screenshot. > > Clifford > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jenkinsci-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-users/49458490-11c5-493c-aa6e-c5a66c7fb463%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > <JDK_installer.png> -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/8754BA45-31A0-440E-9EE7-91DC86F31427%40beckweb.net. For more options, visit https://groups.google.com/d/optout.