This question is in reference to Atlassian Documentation: Integrating Bamboo with HipChat
Your published workaround of overwriting api.hipchat.com with our own instance fails since the upgrade to 5.10 due to what appears to be stricter SSL verification:
2016-01-21 17:58:24,364 ERROR [AtlassianEvent::0-BAM::EVENTS:pool-2-thread-1] [HipchatNotificationTransport] Error using Hipchat API: java.security.cert.CertificateException: No subject alternative DNS name matching api.hipchat.com found.
javax.net.ssl.SSLException: java.security.cert.CertificateException: No subject alternative DNS name matching api.hipchat.com found.
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.verifyHostName(SSLProtocolSocketFactory.java:287)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.verifyHostName(SSLProtocolSocketFactory.java:267)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:124)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:157)
at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
at com.atlassian.bamboo.hipchat.HipchatNotificationTransport.sendNotification(HipchatNotificationTransport.java:110)
at com.atlassian.bamboo.notification.NotificationDispatcherImpl.dispatchNotifications(NotificationDispatcherImpl.java:60)
at com.atlassian.bamboo.deployments.notification.DeploymentNotificationEventListener.onDeploymentStarted(DeploymentNotificationEventListener.java:168)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.atlassian.event.internal.SingleParameterMethodListenerInvoker.invoke(SingleParameterMethodListenerInvoker.java:36)
at com.atlassian.event.internal.AsynchronousAbleEventDispatcher$1$1.run(AsynchronousAbleEventDispatcher.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
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.security.cert.CertificateException: No subject alternative DNS name matching api.hipchat.com found.
at sun.security.util.HostnameChecker.matchDNS(HostnameChecker.java:204)
at sun.security.util.HostnameChecker.match(HostnameChecker.java:95)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.verifyHostName(SSLProtocolSocketFactory.java:284)
... 24 more
