On recovery scan the NullPointerException can be thrown when client side exits prior DONE is delivered from server ------------------------------------------------------------------------------------------------------------------ Key: JBTM-3257 URL: https://issues.redhat.com/browse/JBTM-3257 Project: JBoss Transaction Manager Issue Type: Bug Components: Recovery Affects Versions: 5.10.3.Final Reporter: Ondrej Chaloupka Assignee: Ondrej Chaloupka Priority: Minor When triggering recovery on recovery listener it could happen the client side exits before the {{SCAN}} finishes and {{DONE}} is returned back. In such case a {{NullPointerException}} can be thrown from the Narayana code. {code} WARN [com.arjuna.ats.arjuna] (Server.Connection:127.0.0.1:37264) ARJUNA012338: Other Exception:: java.lang.NullPointerException at com.arjuna.ats.internal.arjuna.recovery.WorkerService.doWork(WorkerService.java:66) at com.arjuna.ats.internal.arjuna.recovery.Connection.run(Connection.java:88) {code}