How many times have you tried? That download tends to be flaky.
Sent via the PANTECH Discover, an AT&T 4G LTE smartphone. Maurice Amsellem <maurice.amsel...@systar.com> wrote: Hi, I have tried build 4.11 SDK RC2 on Windows and got the following error while downloading https://java.net/downloads/javacc/javacc-5.0.tar.gz. D:\ApacheFlex\dist\sdk_411_RC2\sdk_src\modules\downloads.xml:162: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174) Google says it's related to missing sites in keystore, but the same build.xml / downloads.mxml works perfectly from the develop branch working dir. Did I miss something ? Maurice Amsellem SYSTAR R&D - BusinessBridgeFX