sonarqube hosted over https giving certificate not found

[geekabhi]

Running "sonarRunner:analysis" (sonarRunner) task
Effective Sonar Options

sonar.host.url=https://sonarqube.com
sonar.host.login=MYID
sonar.host.password=XXXXXX
sonar.host.keystoreFile=/Users/localadmin/workspace/../myTrustStore.jks
sonar.host.keyPass=changeit
sonar.host.keystorePass=changeit
sonar.host.keystoreType=JKS
sonar.projectKey=sonar:grunt-sonar-runner:0.1.0
sonar.projectName=Grunt Sonar Runner
sonar.projectVersion=0.10
sonar.sources=test
sonar.language=js
sonar.sourceEncoding=UTF-8
Sonar client configured
sonar-runner exec: java -jar "/Users/localadmin/workspace/../node_modules/grunt-sonar-runner/tasks/../sonar-runner-2.4/lib/sonar-runner-dist-2.4.jar" -Drunner.home="/Users/localadmin/workspace/../node_modules/grunt-sonar-runner/tasks/../sonar-runner-2.4"
SonarQube Runner 2.4
Java 1.8.0_66 Oracle Corporation (64-bit)
Mac OS X 10.11.6 x86_64
INFO: Runner configuration file: /Users/localadmin/workspace/../node_modules/grunt-sonar-runner/tasks/../sonar-runner-2.4/conf/sonar-runner.properties
INFO: Project configuration file: NONE
INFO: Default locale: "en_US", source code encoding: "UTF-8"
INFO: Work directory: /Users/localadmin/workspace/.././.sonar
INFO: SonarQube Server 5.6.1
10:46:35.232 INFO - Load global repositories
INFO: ------------------------------------------------------------------------
INFO: EXECUTION FAILURE
INFO: ------------------------------------------------------------------------
Total time: 2.708s
Final Memory: 9M/245M
INFO: ------------------------------------------------------------------------

ERROR: Error during Sonar runner execution
ERROR: Unable to execute Sonar
ERROR: Caused by: Unable to load component class org.sonar.batch.bootstrap.BatchPluginInstaller
ERROR: Caused by: Unable to load component class org.sonar.home.cache.FileCache
ERROR: Caused by: Unable to load component class org.sonar.batch.bootstrap.GlobalSettings
ERROR: Caused by: Unable to load component class org.sonar.scanner.protocol.input.GlobalRepositories
ERROR: Caused by: Fail to request https://sonarqube.com/batch/global
ERROR: Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
ERROR: Caused by: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
ERROR: Caused by: unable to find valid certification path to requested target
ERROR:
ERROR: To see the full stack trace of the errors, re-run SonarQube Runner with the -e switch.
ERROR: Re-run SonarQube Runner using the -X switch to enable full debug logging.
Return code: 1.