NullPointerException within DigestSaslClient if username is null. ----------------------------------------------------------------- Key: ELY-1371 URL: https://issues.jboss.org/browse/ELY-1371 Project: WildFly Elytron Issue Type: Bug Components: SASL Affects Versions: 1.1.2.Final Reporter: Darran Lofthouse Assignee: Darran Lofthouse Priority: Blocker Fix For: 1.1.3.CR1, 1.2.0.Beta4 When running an EJB client which uses scoped context or legacy jboss-remote-naming API to invoke secured EJBs, a NPE occurs. Additionally, in the case with jboss-remote-naming legacy API, after this exception is logged, the client thread freezes (in the scoped context case, the exception propagates to the client thread). Full stack trace for the case of scoped context: {noformat} Suppressed: java.lang.NullPointerException at java.nio.charset.CharsetEncoder.canEncode(CharsetEncoder.java:984) at org.wildfly.security.mechanism.digest.DigestUtil.userRealmPasswordDigest(DigestUtil.java:209) at org.wildfly.security.sasl.digest.AbstractDigestMechanism.getSaltedPasswordFromTwoWay(AbstractDigestMechanism.java:539) at org.wildfly.security.sasl.digest.DigestSaslClient.createResponse(DigestSaslClient.java:231) at org.wildfly.security.sasl.digest.DigestSaslClient.evaluateMessage(DigestSaslClient.java:364) at org.wildfly.security.sasl.util.AbstractSaslParticipant.evaluateMessage(AbstractSaslParticipant.java:180) at org.wildfly.security.sasl.digest.DigestSaslClient.evaluateChallenge(DigestSaslClient.java:349) at org.wildfly.security.sasl.util.AbstractDelegatingSaslClient.evaluateChallenge(AbstractDelegatingSaslClient.java:54) at org.wildfly.security.sasl.util.PrivilegedSaslClient.lambda$evaluateChallenge$0(PrivilegedSaslClient.java:55) at java.security.AccessController.doPrivileged(Native Method) at org.wildfly.security.sasl.util.PrivilegedSaslClient.evaluateChallenge(PrivilegedSaslClient.java:55) at org.jboss.remoting3.remote.ClientConnectionOpenListener$Authentication.lambda$handleEvent$0(ClientConnectionOpenListener.java:650) at org.jboss.remoting3.EndpointImpl$TrackingExecutor.lambda$execute$0(EndpointImpl.java:926) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) {noformat}