Jenkins : 2.479.3

After upgrading to the latest version of the plugin (933.3.0), builds fail with the follwing logs (note that zcaler is our enterprise proxy instance configured in jenkins).

Rollbacking to 933.2.1 makes things go back to normal.

 
com.cloudbees.jenkins.plugins.bitbucket.api.BitbucketRequestException: HTTP request error.
Status: HTTP/1.0 400 Bad request
Response:
Server: Zscaler/6.2
Content-Type: text/html
Connection: close
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.impl.client.AbstractBitbucketApi.buildResponseException(AbstractBitbucketApi.java:103)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.impl.client.AbstractBitbucketApi.doRequest(AbstractBitbucketApi.java:250)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.impl.client.AbstractBitbucketApi.doRequest(AbstractBitbucketApi.java:263)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.impl.client.AbstractBitbucketApi.getRequest(AbstractBitbucketApi.java:318)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.server.client.BitbucketServerAPIClient.getResource(BitbucketServerAPIClient.java:910)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.server.client.BitbucketServerAPIClient.getSingleBranch(BitbucketServerAPIClient.java:631)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.server.client.BitbucketServerAPIClient.getBranch(BitbucketServerAPIClient.java:581)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.server.client.BitbucketServerAPIClient.getBranch(BitbucketServerAPIClient.java:104)
at PluginClassLoader for cloudbees-bitbucket-branch-source//com.cloudbees.jenkins.plugins.bitbucket.BitbucketSCMSource.retrieve(BitbucketSCMSource.java:934)
at PluginClassLoader for scm-api//jenkins.scm.api.SCMSource.fetch(SCMSource.java:581)
at PluginClassLoader for workflow-multibranch//org.jenkinsci.plugins.workflow.multibranch.SCMBinder.create(SCMBinder.java:104)
at PluginClassLoader for workflow-job//org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:311)
at hudson.model.ResourceController.execute(ResourceController.java:101)
at hudson.model.Executor.run(Executor.java:445)
Finished: FAILURE