module1.ear  
|  
+--ejb.jar  
   |  
  +--META-INF  
      |  
      +--persistence.xml with persistence unit "module1-pu" 

module2.ear  
|  
+--META-INF  
|  |  
|  +--jboss-all.xml  
|  
+--ejb.jar  
   |  
   +--META-INF  
      |  
      +--persistence.xml with persistence unit "module2-pu"  

<jboss xmlns="urn:jboss:1.0">  
  <jboss-deployment-dependencies xmlns="urn:jboss:deployment-dependencies:1.0">  
  <dependency name="module1.ear" />  
  </jboss-deployment-dependencies>  
</jboss>  

09:11:31,425 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0011: Stopping Persistence Unit (phase 2 of 2) Service 'module2.ear/ejb.jar#module2-pu'  
09:11:31,426 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0011: Stopping Persistence Unit (phase 1 of 2) Service 'module2.ear/ejb.jar#module2-pu'  
09:11:31,431 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0011: Stopping Persistence Unit (phase 2 of 2) Service 'module1.ear/ejb.jar#module1-pu'  
09:11:31,434 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0011: Stopping Persistence Unit (phase 1 of 2) Service 'module1.ear/ejb.jar#module1-pu'  
09:11:31,437 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0208: Stopped subdeployment (runtime-name: ejb.jar) in 17ms  
09:11:31,438 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) WFLYSRV0028: Stopped deployment module1.ear (runtime-name: module1.ear) in 18ms  
09:11:31,495 INFO  [org.jboss.as.server] (management-handler-thread - 3) WFLYSRV0009: Undeployed "module1.ear" (runtime-name: "module1.ear")  
09:11:31,495 INFO  [org.jboss.as.controller] (management-handler-thread - 3) WFLYCTL0183: Service status report  
WFLYCTL0184:    New missing/unsatisfied dependencies:  
      service jboss.deployment.unit."module1.ear".deploymentCompleteService (missing) dependents: [service jboss.deployment.unit."module2.ear".PARSE, service jboss.deployment.subunit."module2.ear"."ejb.jar".PARSE]   
  
  
09:11:31,558 INFO  [org.jboss.as.repository] (management-handler-thread - 1) WFLYDR0002: Content removed from location /opt/wildfly/standalone/data/content/69/baf0eeab47c006bc1f3d99b21b4355fac62d13/content  
09:11:43,170 INFO  [org.jboss.as.repository] (management-handler-thread - 1) WFLYDR0001: Content added at location /opt/wildfly/standalone/data/content/69/baf0eeab47c006bc1f3d99b21b4355fac62d13/content  
09:11:43,266 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) WFLYSRV0027: Starting deployment of "module1.ear" (runtime-name: "module1.ear")  
09:11:43,268 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) WFLYSRV0207: Starting subdeployment (runtime-name: "ejb.jar")  
09:11:43,273 INFO  [org.jboss.as.jpa] (MSC service thread 1-1) WFLYJPA0002: Read persistence.xml for module1-pu  
09:11:43,289 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0010: Starting Persistence Unit (phase 1 of 2) Service 'module1.ear/ejb.jar#module1-pu'  
09:11:43,289 INFO  [org.hibernate.jpa.internal.util.LogHelper] (ServerService Thread Pool -- 63) HHH000204: Processing PersistenceUnitInfo [  
  name: module1-pu  
  ...]  
09:11:43,292 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0010: Starting Persistence Unit (phase 2 of 2) Service 'module1.ear/ejb.jar#module1-pu'  
09:11:43,293 INFO  [org.hibernate.dialect.Dialect] (ServerService Thread Pool -- 63) HHH000400: Using dialect: org.hibernate.dialect.H2Dialect  
09:11:43,293 WARN  [org.hibernate.dialect.H2Dialect] (ServerService Thread Pool -- 63) HHH000431: Unable to determine H2 database version, certain features may not work  
09:11:43,294 INFO  [org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory] (ServerService Thread Pool -- 63) HHH000397: Using ASTQueryTranslatorFactory  
09:11:43,296 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0070: Deployment restart detected for deployment module2.ear, performing full redeploy instead.  
09:11:43,296 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0070: Deployment restart detected for deployment ejb.jar, performing full redeploy instead.  
09:11:43,296 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0208: Stopped subdeployment (runtime-name: ejb.jar) in 0ms  
09:11:43,297 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) WFLYSRV0028: Stopped deployment module2.ear (runtime-name: module2.ear) in 1ms  
09:11:43,298 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) WFLYSRV0027: Starting deployment of "module2.ear" (runtime-name: "module2.ear")  
09:11:43,299 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) WFLYSRV0207: Starting subdeployment (runtime-name: "ejb.jar")  
09:11:43,300 INFO  [org.jboss.as.jpa] (MSC service thread 1-2) WFLYJPA0002: Read persistence.xml for module2-pu  
09:11:43,307 INFO  [org.jboss.as.jpa] (ServerService Thread Pool -- 63) WFLYJPA0010: Starting Persistence Unit (phase 1 of 2) Service 'module2.ear/ejb.jar#module2-pu'  
09:11:43,308 INFO  [org.hibernate.jpa.internal.util.LogHelper] (ServerService Thread Pool -- 63) HHH000204: Processing PersistenceUnitInfo [  
  name: module2-pu  
  ...]  
09:11:43,312 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC000001: Failed to start service jboss.deployment.subunit."module2.ear"."ejb.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."module2.ear"."ejb.jar".INSTALL: WFLYSRV0153: Failed to process phase INSTALL of subdeployment "ejb.jar" of deployment "module2.ear"  
  at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:163)  
  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$Worker.run(ThreadPoolExecutor.java:617)  
  at java.lang.Thread.run(Thread.java:745)  
Caused by: java.lang.IllegalStateException: WFLYCTL0075: Duplicate resource module2.ear/ejb.jar#module2-pu  
  at org.jboss.as.controller.registry.AbstractModelResource$DefaultResourceProvider.register(AbstractModelResource.java:248)  
  at org.jboss.as.controller.registry.AbstractModelResource.registerChild(AbstractModelResource.java:143)  
  at org.jboss.as.jpa.processor.PersistenceUnitServiceHandler.addManagementConsole(PersistenceUnitServiceHandler.java:1128)  
  at org.jboss.as.jpa.processor.PersistenceUnitServiceHandler.deployPersistenceUnitPhaseTwo(PersistenceUnitServiceHandler.java:704)  
  at org.jboss.as.jpa.processor.PersistenceUnitServiceHandler.addPuService(PersistenceUnitServiceHandler.java:289)  
  at org.jboss.as.jpa.processor.PersistenceUnitServiceHandler.handleJarDeployment(PersistenceUnitServiceHandler.java:162)  
  at org.jboss.as.jpa.processor.PersistenceUnitServiceHandler.deploy(PersistenceUnitServiceHandler.java:133)  
  at org.jboss.as.jpa.processor.PersistenceCompleteInstallProcessor.deploy(PersistenceCompleteInstallProcessor.java:55)  
  at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:156)  
  ... 5 more  
  
  
09:11:43,376 INFO  [org.jboss.as.server] (management-handler-thread - 2) WFLYSRV0010: Deployed "module1.ear" (runtime-name : "module1.ear")  
09:11:43,376 INFO  [org.jboss.as.controller] (management-handler-thread - 2) WFLYCTL0183: Service status report  
WFLYCTL0184:    New missing/unsatisfied dependencies:  
      service jboss.deployment.subunit."module2.ear"."ejb.jar" (unavailable) dependents: [service jboss.deployment.unit."module2.ear".PARSE]   
      service jboss.deployment.subunit."module2.ear"."ejb.jar".STRUCTURE (unavailable) dependents: [service jboss.deployment.unit."module2.ear".PARSE]   
      service jboss.deployment.subunit."module2.ear"."ejb.jar".deploymentCompleteService (missing) dependents: [service jboss.deployment.unit."module2.ear".deploymentCompleteService]   
WFLYCTL0185:    Newly corrected services:  
      service jboss.deployment.unit."module1.ear".deploymentCompleteService (new available)  
WFLYCTL0186:   Services which failed to start:      service jboss.deployment.subunit."module2.ear"."ejb.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."module2.ear"."ejb.jar".INSTALL: WFLYSRV0153: Failed to process phase INSTALL of subdeployment "ejb.jar" of deployment "module2.ear"