WildFlyElytronProvider fails Java Mission Control and JDK 10 ------------------------------------------------------------ Key: ELY-1570 URL: https://issues.jboss.org/browse/ELY-1570 Project: WildFly Elytron Issue Type: Bug Components: Authentication Client Environment: Windows 7 - Java Mission Control - Java 10 RedHat - Wildfly 12 - Java 10 Reporter: Richard Huddleston I CAN connect to Wildfly with JConsole JVisualVM I cannot connect with Java Mission Control (JMC). I believe this is an issue with some new code that fails to recognize that "classLoader" can be null in the Java SE / Eclipse OSI environment ClassLoader classLoader = WildFlyElytronProvider.class.getClassLoader(); com.oracle.jmc.rjmx.ConnectionException caused by javax.security.sasl.SaslException [Caused by java.lang.NullPointerException] at com.oracle.jmc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:406) at com.oracle.jmc.rjmx.internal.ServerHandle.doConnect(ServerHandle.java:88) at com.oracle.jmc.rjmx.internal.ServerHandle.connect(ServerHandle.java:78) at com.oracle.jmc.console.ui.editor.internal.ConsoleEditor$ConnectJob.run(ConsoleEditor.java:73) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: javax.security.sasl.SaslException [Caused by java.lang.NullPointerException] at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:426) at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:242) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) at org.xnio.nio.WorkerThread.run(WorkerThread.java:591) at ...asynchronous invocation...(Unknown Source) at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:570) at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:532) at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:520) at org.jboss.remotingjmx.RemotingConnector.internalRemotingConnect(RemotingConnector.java:268) at org.jboss.remotingjmx.RemotingConnector.internalConnect(RemotingConnector.java:156) at org.jboss.remotingjmx.RemotingConnector.connect(RemotingConnector.java:103) at com.oracle.jmc.rjmx.internal.RJMXConnection.connectJmxConnector(RJMXConnection.java:451) at com.oracle.jmc.rjmx.internal.RJMXConnection.establishConnection(RJMXConnection.java:427) at com.oracle.jmc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:399) ... 4 more Caused by: java.lang.NullPointerException at org.wildfly.security.WildFlyElytronProvider$ProviderService.getImplementationClass(WildFlyElytronProvider.java:429) at org.wildfly.security.WildFlyElytronProvider$ProviderService.newInstance(WildFlyElytronProvider.java:413) at org.wildfly.security.sasl.util.SecurityProviderSaslClientFactory.createSaslClient(SecurityProviderSaslClientFactory.java:94) at org.wildfly.security.sasl.util.AbstractDelegatingSaslClientFactory.createSaslClient(AbstractDelegatingSaslClientFactory.java:66) at org.wildfly.security.sasl.util.ProtocolSaslClientFactory.createSaslClient(ProtocolSaslClientFactory.java:50) at org.wildfly.security.sasl.util.AbstractDelegatingSaslClientFactory.createSaslClient(AbstractDelegatingSaslClientFactory.java:66) at org.wildfly.security.sasl.util.ServerNameSaslClientFactory.createSaslClient(ServerNameSaslClientFactory.java:50) at org.wildfly.security.sasl.util.AbstractDelegatingSaslClientFactory.createSaslClient(AbstractDelegatingSaslClientFactory.java:66) at org.wildfly.security.sasl.util.ServerNameSaslClientFactory.createSaslClient(ServerNameSaslClientFactory.java:50) at org.wildfly.security.sasl.util.FilterMechanismSaslClientFactory.createSaslClient(FilterMechanismSaslClientFactory.java:102) at org.wildfly.security.sasl.util.AbstractDelegatingSaslClientFactory.createSaslClient(AbstractDelegatingSaslClientFactory.java:66) at org.wildfly.security.sasl.util.LocalPrincipalSaslClientFactory.createSaslClient(LocalPrincipalSaslClientFactory.java:76) at org.wildfly.security.sasl.util.PrivilegedSaslClientFactory.lambda$createSaslClient$0(PrivilegedSaslClientFactory.java:64) at java.base/java.security.AccessController.doPrivileged(Native Method) at org.wildfly.security.sasl.util.PrivilegedSaslClientFactory.createSaslClient(PrivilegedSaslClientFactory.java:64) at org.wildfly.security.auth.client.AuthenticationConfiguration.createSaslClient(AuthenticationConfiguration.java:1348) at org.wildfly.security.auth.client.AuthenticationContextConfigurationClient.createSaslClient(AuthenticationContextConfigurationClient.java:395) at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:420) at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:242) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) at org.xnio.nio.WorkerThread.run(WorkerThread.java:591)