How to fix module exception not found in WildFly 9.0.1

I get this exception while I try to run FinalFly 9.0.1 Final release. My WAR file consists only of an application that is built on the Spring Framework. You can find the server log file below.

12:53:57,109 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-7) MSC000001: Failed to start service
jboss.module.service."deployment.SpringExample.war".main:org.jboss.msc.service.StartException in service
jboss.module.service."deployment.SpringExample.war".main: WFLYSRV0179:

Failed to load module: deployment.SpringExample.war:main at 
org.jboss.as.server.moduleservice.ModuleLoadService.start(ModuleLoadService.java:91) 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(Unknown Source) at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at 
java.lang.Thread.run(Unknown Source) Caused by: 
org.jboss.modules.ModuleNotFoundException: com.mysql:main at 
org.jboss.modules.Module.addPaths(Module.java:1042) at 
org.jboss.modules.Module.link(Module.java:1398) at 
org.jboss.modules.Module.relinkIfNecessary(Module.java:1426) at 
org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:238) at 
org.jboss.as.server.moduleservice.ModuleLoadService.start(ModuleLoadServic
e.java:68) ... 5 more 12:53:57,115 ERROR 

[org.jboss.as.controller.management-operation] (DeploymentScanner-threads 
- 2) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" 
=> "SpringExample.war")]) - failure description: {"WFLYCTL0080: Failed services" => {"jboss.module.service.\"deployment.SpringExample.war\".main" => "org.jboss.msc.service.StartException in service

 jboss.module.service.\"deployment.SpringExample.war\".main: WFLYSRV0179: 
Failed to load module: deployment.SpringExample.war:main Caused by: org.jboss.modules.ModuleNotFoundException: com.mysql:main"}} 12:53:57,199 
INFO [org.jboss.as.server] (DeploymentScanner-threads - 2) WFLYSRV0010: Deployed "SpringExample.war" (runtime-name : "SpringExample.war") 12:53:57,200 INFO [org.jboss.as.controller] (DeploymentScanner-threads - 2) WFLYCTL0183: Service status report 
WFLYCTL0185: Newly corrected services: service jboss.module.service."deployment.SpringExample.war".main (new available) WFLYCTL0186: Services which failed to start: service 
jboss.module.service."deployment.SpringExample.war".main: org.jboss.msc.service.StartException in service jboss.module.service."deployment.SpringExample.war".main: WFLYSRV0179: 
Failed to load module: deployment.SpringExample.war:main 12:54:57,515 INFO [org.jboss.as.server.deployment] (MSC service thread 1-3) WFLYSRV0028: Stopped deployment SpringExample.war (runtime-name: SpringExample.war) in 51ms 12:54:57,516 INFO 
[org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0027: Starting deployment of "SpringExample.war" (runtime-name: "SpringExample.war") 12:54:58,966 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-7) MSC000001: Failed to start service 
jboss.module.service."deployment.SpringExample.war".main: org.jboss.msc.service.StartException in service jboss.module.service."deployment.SpringExample.war".main: WFLYSRV0179: Failed to load module: deployment.SpringExample.war:main at org.jboss.as.server.moduleservice.ModuleLoadService.start(ModuleLoadService.java:91) 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(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: org.jboss.modules.ModuleNotFoundException: com.mysql:main at org.jboss.modules.Module.addPaths(Module.java:1042) at org.jboss.modules.Module.link(Module.java:1398) at org.jboss.modules.Module.relinkIfNecessary(Module.java:1426) at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:238) at org.jboss.as.server.moduleservice.ModuleLoadService.start(ModuleLoadService.java:68) ... 5 more 12:54:58,969 ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 1) WFLYCTL0013: Operation ("full-replace-deployment") failed - address: ([]) - failure description: {"WFLYCTL0080: Failed services" => {"jboss.module.service.\"deployment.SpringExample.war\".main" => "org.jboss.msc.service.StartException in service jboss.module.service.\"deployment.SpringExample.war\".main: WFLYSRV0179: Failed to load module: deployment.SpringExample.war:main Caused by: org.jboss.modules.ModuleNotFoundException: com.mysql:main"}} 12:54:59,002 
INFO [org.jboss.as.server] (DeploymentScanner-threads - 1) WFLYSRV0016: Replaced deployment "SpringExample.war" with deployment "SpringExample.war" 12:54:59,002 INFO [org.jboss.as.controller] (DeploymentScanner-threads - 1) WFLYCTL0183: Service status report WFLYCTL0184: New missing/unsatisfied dependencies: service 
jboss.module.service."deployment.SpringExample.war".main (unavailable) dependents: [service jboss.deployment.unit."SpringExample.war".FIRST_MODULE_USE] WFLYCTL0186: Services which failed to start: service 
jboss.module.service."deployment.SpringExample.war".main service 
jboss.module.service."deployment.SpringExample.war".main: org.jboss.msc.service.StartException in service 
jboss.module.service."deployment.SpringExample.war".main: WFLYSRV0179: Failed to load module: deployment.SpringExample.war:main
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First, you need to look at the modular concept of WildFly for documentation . Moreover, defining a mySQL module reference can be useful.

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Source: https://habr.com/ru/post/1607977/


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