Bamboo throwing sun.net.www.protocol.http.HttpURLConnection cannot be cast to javax.net.ssl.HttpsURLConnection on connection attempt to repository

com.atlassian.bamboo.repository.RepositoryException: java.lang.RuntimeException: com.atlassian.bamboo.repository.RepositoryException: sun.net.www.protocol.http.HttpURLConnection cannot be cast to javax.net.ssl.HttpsURLConnection
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceLastBuildInternal(DefaultChangeDetectionManager.java:398)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceRevisions(DefaultChangeDetectionManager.java:286)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceRevisions(DefaultChangeDetectionManager.java:185)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectAllChangesSinceLastBuild(DefaultChangeDetectionManager.java:142)
	at com.atlassian.bamboo.v2.trigger.ManualBuildDetectionAction.performDelayedChangeDetection(ManualBuildDetectionAction.java:172)
	at com.atlassian.bamboo.chains.ChainExecutionManagerImpl$2.getChainState(ChainExecutionManagerImpl.java:224)
	at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.tryStartChainState(ChainExecutionManagerImpl.java:277)
	at com.atlassian.bamboo.chains.ChainExecutionManagerImpl.delayedStart(ChainExecutionManagerImpl.java:213)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
	at com.sun.proxy.$Proxy124.delayedStart(Unknown Source)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$2$1$1$1.run(PlanExecutionManagerImpl.java:430)
	at com.atlassian.bamboo.util.CacheAwareness.whileReadingThroughCaches(CacheAwareness.java:85)
	at com.atlassian.bamboo.util.CacheAwareness.whileReadingThroughCaches(CacheAwareness.java:102)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$2$1$1.call(PlanExecutionManagerImpl.java:425)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$2$1$1.call(PlanExecutionManagerImpl.java:417)
	at com.atlassian.util.concurrent.ManagedLocks$ManagedLockImpl.withLock(ManagedLocks.java:312)
	at com.atlassian.bamboo.plan.PlanExecutionLockServiceImpl.lock(PlanExecutionLockServiceImpl.java:85)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.doWithProcessLock(PlanExecutionManagerImpl.java:805)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.access$300(PlanExecutionManagerImpl.java:128)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$2$1.run(PlanExecutionManagerImpl.java:411)
	at com.atlassian.bamboo.utils.BambooRunnables$1.run(BambooRunnables.java:49)
	at com.atlassian.bamboo.security.ImpersonationHelper.runWith(ImpersonationHelper.java:31)
	at com.atlassian.bamboo.security.ImpersonationHelper.runWithSystemAuthority(ImpersonationHelper.java:20)
	at com.atlassian.bamboo.security.ImpersonationHelper$1.run(ImpersonationHelper.java:52)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: com.atlassian.bamboo.repository.RepositoryException: sun.net.www.protocol.http.HttpURLConnection cannot be cast to javax.net.ssl.HttpsURLConnection
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.rerun(RetryingTaskExecutor.java:132)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.runTask(RetryingTaskExecutor.java:88)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.retry(RetryingTaskExecutor.java:191)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.retry(RetryingTaskExecutor.java:176)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectionChangesWithRetry(DefaultChangeDetectionManager.java:501)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceLastBuildInternal(DefaultChangeDetectionManager.java:358)
	... 33 more
Caused by: com.atlassian.bamboo.repository.RepositoryException: sun.net.www.protocol.http.HttpURLConnection cannot be cast to javax.net.ssl.HttpsURLConnection
	at com.atlassian.bamboo.plugins.git.GitRepository.collectChangesSinceLastBuild(GitRepository.java:342)
	at com.atlassian.bamboo.plugins.git.GitRepository.collectChangesSinceLastBuild(GitRepository.java:214)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager$2.call(DefaultChangeDetectionManager.java:506)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager$2.call(DefaultChangeDetectionManager.java:502)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.rerun(RetryingTaskExecutor.java:108)
	... 38 more
Caused by: java.lang.ClassCastException: sun.net.www.protocol.http.HttpURLConnection cannot be cast to javax.net.ssl.HttpsURLConnection
	at org.eclipse.jgit.transport.http.JDKHttpConnection.configure(JDKHttpConnection.java:191)
	at com.atlassian.bamboo.plugins.git.jgit.transport.http.AllTrustingHttpConnectionFactory.customizeConnection(AllTrustingHttpConnectionFactory.java:74)
	at com.atlassian.bamboo.plugins.git.jgit.transport.http.AllTrustingHttpConnectionFactory.create(AllTrustingHttpConnectionFactory.java:65)
	at org.eclipse.jgit.transport.TransportHttp.httpOpen(TransportHttp.java:544)
	at org.eclipse.jgit.transport.TransportHttp.httpOpen(TransportHttp.java:529)
	at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:468)
	at org.eclipse.jgit.transport.TransportHttp.openFetch(TransportHttp.java:309)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper.withFetchConnection(JGitOperationHelper.java:928)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper.obtainLatestRevision(JGitOperationHelper.java:439)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper.access$100(JGitOperationHelper.java:71)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper$4.doWithRepository(JGitOperationHelper.java:425)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper$4.doWithRepository(JGitOperationHelper.java:420)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper.withRepository(JGitOperationHelper.java:878)
	at com.atlassian.bamboo.plugins.git.JGitOperationHelper.obtainLatestRevision(JGitOperationHelper.java:420)
	at com.atlassian.bamboo.plugins.git.GitRepository.collectChangesSinceLastBuild(GitRepository.java:226)
	... 42 more