Downloading yml settings file from https source

[philwinder]

If in docker mode and if using a https source, like: https://gist.githubusercontent.com/tymofii-polekhin/3bf5674b294130eb3b3e/raw/elasticsearch.yml

There is a strange ssl error:

javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
    at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949)
    at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1906)
    at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1889)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1410)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
    at java.net.URL.openStream(URL.java:1038)
    at org.apache.mesos.elasticsearch.executor.Configuration.getUserESSettings(Configuration.java:56)
    at org.apache.mesos.elasticsearch.executor.mesos.ElasticsearchExecutor.launchTask(ElasticsearchExecutor.java:86)

Seems to be related to this:
http://stackoverflow.com/questions/6784463/error-trustanchors-parameter-must-be-non-empty

[frankscholten]

Closing as the executor will be removed in 0.8.0