title: Web Project is not deploying
body: <p>When I try to deploy a web project, Wildfly always returns me this error:</p>
  <pre><code>12:08:58,929 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 81) MSC000001: Failed to start service jboss.deployment.unit.&quot;focusoc-web-0.0.1-SNAPSHOT.war&quot;.undertow-deployment: org.jboss.msc.service.StartException in service jboss.deployment.unit.&quot;focusoc-web-0.0.1-SNAPSHOT.war&quot;.undertow-deployment: java.lang.RuntimeException: java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:81)
  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
  at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
  at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
  at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
  at java.lang.Thread.run(Thread.java:748)
  at org.jboss.threads.JBossThread.run(JBossThread.java:485)
  Caused by: java.lang.RuntimeException: java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null
  at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:252)
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:96)
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:78)
  ... 8 more
  Caused by: java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null
  at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:283)
  at io.undertow.servlet.core.ApplicationListeners.contextInitialized(ApplicationListeners.java:187)
  at io.undertow.servlet.core.DeploymentManagerImpl$1.call(DeploymentManagerImpl.java:216)
  at io.undertow.servlet.core.DeploymentManagerImpl$1.call(DeploymentManagerImpl.java:185)
  at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
  at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
  at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
  at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:250)
  ... 10 more
  Caused by: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null
  at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:357)
  at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:205)
  ... 20 more
  Caused by: java.lang.NullPointerException
  at com.sun.faces.facelets.impl.DefaultResourceResolver.resolveUrl(DefaultResourceResolver.java:40)
  at com.sun.faces.facelets.impl.DefaultFaceletFactory.init(DefaultFaceletFactory.java:129)
  at com.sun.faces.application.ApplicationAssociate.createFaceletFactory(ApplicationAssociate.java:849)
  at com.sun.faces.application.ApplicationAssociate.initializeFacelets(ApplicationAssociate.java:342)
  at com.sun.faces.application.ApplicationAssociate.getCompiler(ApplicationAssociate.java:420)
  at com.sun.faces.config.processor.FaceletTaglibConfigProcessor.process(FaceletTaglibConfigProcessor.java:217)
  at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:341)
  ... 21 more
  </code></pre>
  <p>I don't know what it is missing in the project, and I don't know what to do. In localhost I also have a keycloak server, but it doesn't have bother this one, don't it?</p>