GitHub user gaohoward opened a pull request: https://github.com/apache/activemq-artemis/pull/1507
NO-JIRA: Add non-null check to ServerSessionImpl.doClose() An Openwire connection creates an internal session used to track transaction status, it doesn't have a session callback. When the connection is closed, the core session should check if callback is null to avoid NPE. You can merge this pull request into a Git repository by running: $ git pull https://github.com/gaohoward/activemq-artemis kmaster_npe Alternatively you can review and apply these changes as the patch at: https://github.com/apache/activemq-artemis/pull/1507.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #1507 ---- commit 46c95c2a95d109319a3f7f36fbf16c0b414de44d Author: Howard Gao <howard....@gmail.com> Date: 2017-09-04T10:56:57Z NO-JIRA: Add non-null check to ServerSessionImpl.doClose() An Openwire connection creates an internal session used to track transaction status, it doesn't have a session callback. When the connection is closed, the core session should check if callback is null to avoid NPE. ---- ---