NPE thrown during EAR deployment -------------------------------- Key: WFLY-6600 URL: https://issues.jboss.org/browse/WFLY-6600 Project: WildFly Issue Type: Bug Components: Web (Undertow) Affects Versions: 10.0.0.Final Reporter: Matthew Casperson We deploy an EAR file to a Wildfly domain with two slaves. On one slave, we'll frequently see this exception: {code} [Server:main-server] 2016-05-08 16:06:13+1000 INFO [[org.jboss.as.server]] [[ServerService Thread Pool -- 359]] WFLYSRV0016: Replaced deployment "services.war" with deployment "services.war" [Server:main-server] 2016-05-09 06:05:08+1000 ERROR [[org.jboss.as.controller.management-operation]] [[ServerService Thread Pool -- 384]] WFLYCTL0013: Operation ("read-attribute") failed - address: ([ [Server:main-server] ("deployment" => "OnlineSystemsApplications.ear"), [Server:main-server] ("subdeployment" => "systemcheck.war"), [Server:main-server] ("subsystem" => "undertow"), [Server:main-server] ("servlet" => "javax.ws.rs.core.Application") [Server:main-server] ]): java.lang.NullPointerException [Server:main-server] at org.wildfly.extension.undertow.DeploymentServletDefinition$AbstractMetricsHandler.execute(DeploymentServletDefinition.java:125) [Server:main-server] at org.jboss.as.controller.operations.global.ReadAttributeHandler.doExecuteInternal(ReadAttributeHandler.java:174) [Server:main-server] at org.jboss.as.controller.operations.global.ReadAttributeHandler.doExecute(ReadAttributeHandler.java:137) [Server:main-server] at org.jboss.as.controller.operations.global.GlobalOperationHandlers$AbstractMultiTargetHandler.execute(GlobalOperationHandlers.java:263) [Server:main-server] at org.jboss.as.controller.operations.global.GlobalOperationHandlers$AvailableResponseWrapper.execute(GlobalOperationHandlers.java:933) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:890) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:659) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370) [Server:main-server] at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1344) [Server:main-server] at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:392) [Server:main-server] at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:217) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler.internalExecute(TransactionalProtocolOperationHandler.java:247) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler.doExecute(TransactionalProtocolOperationHandler.java:185) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$1.run(TransactionalProtocolOperationHandler.java:138) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$1.run(TransactionalProtocolOperationHandler.java:134) [Server:main-server] at java.security.AccessController.doPrivileged(Native Method) [Server:main-server] at javax.security.auth.Subject.doAs(Subject.java:360) [Server:main-server] at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:81) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2$1.run(TransactionalProtocolOperationHandler.java:157) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2$1.run(TransactionalProtocolOperationHandler.java:153) [Server:main-server] at java.security.AccessController.doPrivileged(Native Method) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2.execute(TransactionalProtocolOperationHandler.java:153) [Server:main-server] at org.jboss.as.protocol.mgmt.AbstractMessageHandler$ManagementRequestContextImpl$1.doExecute(AbstractMessageHandler.java:363) [Server:main-server] at org.jboss.as.protocol.mgmt.AbstractMessageHandler$AsyncTaskRunner.run(AbstractMessageHandler.java:472) [Server:main-server] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [Server:main-server] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [Server:main-server] at java.lang.Thread.run(Thread.java:745) [Server:main-server] at org.jboss.threads.JBossThread.run(JBossThread.java:320) {code} At the same time we'll see this on the second node {code} [Server:main-server] 2016-05-06 16:17:59+1000 ERROR [[org.jboss.as.controller.management-operation]] [[ServerService Thread Pool -- 276]] WFLYCTL0190: Step handler org.jboss.as.server.deployment.DeploymentHandlerUtil$4@14bd8919 for operation {"operation" => "full-replace-deployment","name" => "OnlineSystemsApplications.ear","enabled" => true,"content" => [{"hash" => bytes { 0x73, 0xec, 0x83, 0x82, 0xb6, 0x67, 0x2d, 0x92, 0x36, 0x7a, 0xb7, 0x7c, 0x7a, 0x4e, 0xc4, 0x93, 0x00, 0xc1, 0xf3, 0xc3 }}],"operation-headers" => {"access-mechanism" => "NATIVE","domain-uuid" => "76dbe681-46d0-4f2e-a4c7-82f615919ff0"},"address" => [],"runtime-name" => undefined,"persistent" => true,"owner" => undefined} at address [] failed handling operation rollback -- java.util.NoSuchElementException: No child 'name' exists: java.util.NoSuchElementException: No child 'name' exists [Server:main-server] at org.jboss.dmr.ModelValue.requireChild(ModelValue.java:377) [Server:main-server] at org.jboss.dmr.ObjectModelValue.requireChild(ObjectModelValue.java:299) [Server:main-server] at org.jboss.dmr.ModelNode.require(ModelNode.java:870) [Server:main-server] at org.jboss.as.server.deployment.DeploymentHandlerUtil$4$1.handleResult(DeploymentHandlerUtil.java:277) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext$Step.invokeResultHandler(AbstractOperationContext.java:1384) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext$Step.handleResult(AbstractOperationContext.java:1366) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext$Step.finalizeInternal(AbstractOperationContext.java:1328) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext$Step.finalizeStep(AbstractOperationContext.java:1311) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext$Step.access$300(AbstractOperationContext.java:1185) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.executeResultHandlerPhase(AbstractOperationContext.java:767) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.executeDoneStage(AbstractOperationContext.java:753) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:680) [Server:main-server] at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370) [Server:main-server] at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1344) [Server:main-server] at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:392) [Server:main-server] at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:217) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler.internalExecute(TransactionalProtocolOperationHandler.java:247) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler.doExecute(TransactionalProtocolOperationHandler.java:185) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$1.run(TransactionalProtocolOperationHandler.java:138) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$1.run(TransactionalProtocolOperationHandler.java:134) [Server:main-server] at java.security.AccessController.doPrivileged(Native Method) [Server:main-server] at javax.security.auth.Subject.doAs(Subject.java:360) [Server:main-server] at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:81) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2$1.run(TransactionalProtocolOperationHandler.java:157) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2$1.run(TransactionalProtocolOperationHandler.java:153) [Server:main-server] at java.security.AccessController.doPrivileged(Native Method) [Server:main-server] at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2.execute(TransactionalProtocolOperationHandler.java:153) [Server:main-server] at org.jboss.as.protocol.mgmt.AbstractMessageHandler$ManagementRequestContextImpl$1.doExecute(AbstractMessageHandler.java:363) [Server:main-server] at org.jboss.as.protocol.mgmt.AbstractMessageHandler$AsyncTaskRunner.run(AbstractMessageHandler.java:472) [Server:main-server] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [Server:main-server] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [Server:main-server] at java.lang.Thread.run(Thread.java:745) [Server:main-server] at org.jboss.threads.JBossThread.run(JBossThread.java:320) {code} The WAR file in question doesn't actually use JAX-RS, so I'm not sure why javax.ws.rs.core.Application would be causing any issues.