SSL Exception

[mighani]

tried to run spark interpreter command sc.version results in an exception:

:: problems summary ::
:::: WARNINGS
module not found: org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5

==== local-m2-cache: tried

  file:/root/.m2/repository/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.pom

  -- artifact org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5!elasticsearch-spark-20_2.11.jar:

  file:/root/.m2/repository/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.jar

==== local-ivy-cache: tried

  /root/.ivy2/local/org.elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/ivys/ivy.xml

  -- artifact org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5!elasticsearch-spark-20_2.11.jar:

  /root/.ivy2/local/org.elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/jars/elasticsearch-spark-20_2.11.jar

==== central: tried

  https://repo1.maven.org/maven2/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.pom

  -- artifact org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5!elasticsearch-spark-20_2.11.jar:

  https://repo1.maven.org/maven2/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.jar

==== spark-packages: tried

  http://dl.bintray.com/spark-packages/maven/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.pom

  -- artifact org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5!elasticsearch-spark-20_2.11.jar:

  http://dl.bintray.com/spark-packages/maven/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.jar

	::::::::::::::::::::::::::::::::::::::::::::::

	::          UNRESOLVED DEPENDENCIES         ::

	::::::::::::::::::::::::::::::::::::::::::::::

	:: org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5: not found

	::::::::::::::::::::::::::::::::::::::::::::::

:::: ERRORS
Server access error at url https://repo1.maven.org/maven2/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.pom (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)

Server access error at url https://repo1.maven.org/maven2/org/elasticsearch/elasticsearch-spark-20_2.11/5.0.0-alpha5/elasticsearch-spark-20_2.11-5.0.0-alpha5.jar (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)

:: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
Exception in thread "main" java.lang.RuntimeException: [unresolved dependency: org.elasticsearch#elasticsearch-spark-20_2.11;5.0.0-alpha5: not found]
at org.apache.spark.deploy.SparkSubmitUtils$.resolveMavenCoordinates(SparkSubmit.scala:1177)
at org.apache.spark.deploy.SparkSubmit$.prepareSubmitEnvironment(SparkSubmit.scala:298)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:153)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:119)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)

at org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess.start(RemoteInterpreterManagedProcess.java:143)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess.reference(RemoteInterpreterProcess.java:73)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.open(RemoteInterpreter.java:265)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.getFormType(RemoteInterpreter.java:430)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.getFormType(LazyOpenInterpreter.java:111)
at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:387)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:329)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)

Inside the docker container i issued a curl command against the maven repo library with following result:
curl: (60) SSL certificate problem: self signed certificate in certificate chain
More details here: http://curl.haxx.se/docs/sslcerts.html

Any ideas how to resolve?