No SSL certificate configured, Runtime Exception unable to build keystore

[ghost]

No SSL certificate has been configured on the plugin settings, but the logs show that is trying to build a keystore which gives a runtime exception. The exception is flooding the logs, it comes up to 10 times a day.

Plugin Version: 3.24 Bitbucket Version: 7.0.1 Log trace: 2020-03-04 15:04:45,765 ERROR [threadpool:thread-2] c.a.s.i.c.DefaultTransferableStateManager Error while processing asynchronous task java.lang.RuntimeException: Unable to build keystore from C:\atlassian\Bitbucket\6.9.2\app
at se.bjurr.prnfb.http.ClientKeyStore.(ClientKeyStore.java:36) at se.bjurr.prnfb.listener.PrnfbPullRequestEventListener.handleEvent(PrnfbPullRequestEventListener.java:109) at se.bjurr.prnfb.listener.PrnfbPullRequestEventListener.access$000(PrnfbPullRequestEventListener.java:60) at se.bjurr.prnfb.listener.PrnfbPullRequestEventListener$2.run(PrnfbPullRequestEventListener.java:178) at com.atlassian.stash.internal.concurrent.DefaultTransferableStateManager$StateTransferringRunnable.run(DefaultTransferableStateManager.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.lang.Thread.run(Unknown Source) ... 1 frame trimmed Caused by: java.security.KeyStoreException: not found at java.security.KeyStore.getInstance(Unknown Source) at se.bjurr.prnfb.http.ClientKeyStore.getKeyStore(ClientKeyStore.java:51) at se.bjurr.prnfb.http.ClientKeyStore.(ClientKeyStore.java:27) ... 11 common frames omitted Caused by: java.security.NoSuchAlgorithmException: KeyStore not available at sun.security.jca.GetInstance.getInstance(Unknown Source) at java.security.Security.getImpl(Unknown Source) ... 14 common frames omitted