NPE since v1.76

[jansohn]

We're getting a NPE since v1.76 (same with v1.77). We're using the global Bitbucket Base URL (Configure System -> Bitbucket Server Violations Server Defaults) and do not define it explicitly in our Pipeline script.

Publish results to Bitbucket server...
[Pipeline] ViolationsToBitbucketServer
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
[Bitbucket] Notifying pull request build result
[Bitbucket] Build result notified
java.lang.NullPointerException
	at java.net.URL.<init>(URL.java:532)
Caused: java.net.MalformedURLException
	at java.net.URL.<init>(URL.java:627)
	at java.net.URL.<init>(URL.java:490)
	at java.net.URL.<init>(URL.java:439)
	at org.jenkinsci.plugins.jvctb.ViolationsToBitbucketServerRecorder.createProxyConfigDetails(ViolationsToBitbucketServerRecorder.java:96)
	at org.jenkinsci.plugins.jvctb.ViolationsToBitbucketServerRecorder.perform(ViolationsToBitbucketServerRecorder.java:77)
	at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:80)
	at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:67)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution$1$1.call(SynchronousNonBlockingStepExecution.java:50)
	at hudson.security.ACL.impersonate(ACL.java:290)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution$1.run(SynchronousNonBlockingStepExecution.java:47)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Finished: FAILURE

[tomasbjerre]

Releasing a fix now as 1.78.