Spring app won't deploy because ApplicationContext class is not found

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I'm trying to deploy Spring app, packaged as EAR, on Wildfly 10 server, but there's a 'ClassNotFoundException' thrown:

20:16:58,906 WARN  [org.jboss.modules] (MSC service thread 1-8) Failed to define class org.springframework.context.ApplicationContext in Module "deployment.MyAppEAR.ear.lib/spring/spring-context-4.3.4.RELEASE.jar:main" from Service Module Loader: java.lang.NoClassDefFoundError: Failed to link org/springframework/context/ApplicationContext (Module "deployment.MyAppEAR.ear.lib/spring/spring-context-4.3.4.RELEASE.jar:main" from Service Module Loader): org/springframework/core/env/EnvironmentCapable
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:446)
    at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:274)
    at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:78)
    at org.jboss.modules.Module.loadModuleClass(Module.java:606)
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351)
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93)
    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
    at java.lang.Class.getDeclaredFields(Class.java:1916)
    at org.jboss.as.server.deployment.reflect.ClassReflectionIndex.<init>(ClassReflectionIndex.java:72)
    at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:66)
    at org.jboss.as.ee.metadata.MethodAnnotationAggregator.runtimeAnnotationInformation(MethodAnnotationAggregator.java:57)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.handleAnnotations(InterceptorAnnotationProcessor.java:106)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:91)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:76)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:147)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

20:16:58,908 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-8) MSC000001: Failed to start service jboss.deployment.subunit."MyAppEAR.ear"."MyApp.war".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.subunit."MyAppEAR.ear"."MyApp.war".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of subdeployment "MyApp.war" of deployment "MyAppEAR.ear"
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:154)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: WFLYSRV0177: Error getting reflective information for class com.example.myapp.ejb.EnigmatikBean with ClassLoader ModuleClassLoader for Module "deployment.MyAppEAR.ear.MyApp.war:main" from Service Module Loader
    at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:70)
    at org.jboss.as.ee.metadata.MethodAnnotationAggregator.runtimeAnnotationInformation(MethodAnnotationAggregator.java:57)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.handleAnnotations(InterceptorAnnotationProcessor.java:106)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:91)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:76)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:147)
    ... 5 more
Caused by: java.lang.NoClassDefFoundError: Failed to link org/springframework/context/ApplicationContext (Module "deployment.MyAppEAR.ear.lib/spring/spring-context-4.3.4.RELEASE.jar:main" from Service Module Loader): org/springframework/core/env/EnvironmentCapable
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:446)
    at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:274)
    at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:78)
    at org.jboss.modules.Module.loadModuleClass(Module.java:606)
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351)
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93)
    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
    at java.lang.Class.getDeclaredFields(Class.java:1916)
    at org.jboss.as.server.deployment.reflect.ClassReflectionIndex.<init>(ClassReflectionIndex.java:72)
    at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:66)
    ... 10 more

20:16:58,915 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "MyAppEAR.ear")]) - failure description: {
    "WFLYCTL0080: Failed services" => {"jboss.deployment.subunit.\"MyAppEAR.ear\".\"MyApp.war\".POST_MODULE" => "org.jboss.msc.service.StartException in service jboss.deployment.subunit.\"MyAppEAR.ear\".\"MyApp.war\".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of subdeployment \"MyApp.war\" of deployment \"MyAppEAR.ear\"
    Caused by: java.lang.RuntimeException: WFLYSRV0177: Error getting reflective information for class com.example.myapp.ejb.EnigmatikBean with ClassLoader ModuleClassLoader for Module \"deployment.MyAppEAR.ear.MyApp.war:main\" from Service Module Loader
    Caused by: java.lang.NoClassDefFoundError: Failed to link org/springframework/context/ApplicationContext (Module \"deployment.MyAppEAR.ear.lib/spring/spring-context-4.3.4.RELEASE.jar:main\" from Service Module Loader): org/springframework/core/env/EnvironmentCapable"},
    "WFLYCTL0412: Required services that are not installed:" => [
        "jboss.deployment.subunit.\"MyAppEAR.ear\".\"MyApp.war\".POST_MODULE",
        "jboss.deployment.unit.\"MyAppEAR.ear\".beanmanager"
    ],
    "WFLYCTL0180: Services with missing/unavailable dependencies" => [
        "jboss.deployment.unit.\"MyAppEAR.ear\".batch.environment is missing [jboss.deployment.unit.\"MyAppEAR.ear\".beanmanager]",
        "jboss.deployment.unit.\"MyAppEAR.ear\".weld.weldClassIntrospector is missing [jboss.deployment.unit.\"MyAppEAR.ear\".beanmanager]"
    ]
}
20:16:58,935 INFO  [org.jboss.as.server] (ServerService Thread Pool -- 34) WFLYSRV0010: Deployed "MyAppEAR.ear" (runtime-name : "MyAppEAR.ear")
20:16:58,937 INFO  [org.jboss.as.controller] (Controller Boot Thread) WFLYCTL0183: Service status report
WFLYCTL0184:    New missing/unsatisfied dependencies:
      service jboss.deployment.unit."MyAppEAR.ear".beanmanager (missing) dependents: [service jboss.deployment.unit."MyAppEAR.ear".weld.weldClassIntrospector, service jboss.deployment.unit."MyAppEAR.ear".batch.environment] 
WFLYCTL0186:   Services which failed to start:      service jboss.deployment.subunit."MyAppEAR.ear"."MyApp.war".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.subunit."MyAppEAR.ear"."MyApp.war".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of subdeployment "MyApp.war" of deployment "MyAppEAR.ear"

I assume there's a problem with packaging / class loading or there's some configuration file missing, but I can't find out what's wrong since I don't have a lot of experience with deployment configuration.

Anyway, my EAR structure looks like that:

What am I missing?

Any help would be much appreciated. Let me know if some additional info is required.

EDIT: Tried to deploy it on Glassfish 4.1.1 and it worked without any problems, so it must be some Wildfly specific thing.

Jeanne Boyarsky

author & internet detective