Required help to resolve following issue:

15:02:08,608 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC00001: Failed to start service jboss.deployment.unit."iCareDemoWeb.war".POST_MODU
LE: org.jboss.msc.service.StartException in service jboss.deployment.unit."iCareDemoWeb.war".POST_MODULE: Failed to process phase POST_MODULE of deployment "
iCareDemoWeb.war"
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:119) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]

at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) [rt.jar:1.6.0]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) [rt.jar:1.6.0]
at java.lang.Thread.run(Thread.java:619) [rt.jar:1.6.0]
Caused by: java.lang.NullPointerException
at org.jboss.as.server.deployment.reflect.DeploymentClassIndex.classIndex(DeploymentClassIndex.java:53) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]

at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:63)
at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:55)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:113) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]

... 5 more

15:02:08,858 INFO [org.jboss.as.server] (DeploymentScanner-threads - 1) JBAS015870: Deploy of deployment "iCareDemoWeb.war" was rolled back with failure mes
sage {"JBAS014671: Failed services" => {"jboss.deployment.unit.\"iCareDemoWeb.war\".POST_MODULE" => "org.jboss.msc.service.StartException in service jboss.de
ployment.unit.\"iCareDemoWeb.war\".POST_MODULE: Failed to process phase POST_MODULE of deployment \"iCareDemoWeb.war\""}}
15:02:09,187 INFO [org.jboss.as.server.deployment] (MSC service thread 1-1) JBAS015877: Stopped deployment iCareDemoWeb.war in 346ms
15:02:09,187 INFO [org.jboss.as.controller] (DeploymentScanner-threads - 1) JBAS014774: Service status report
JBAS014777: Services which failed to start: service jboss.deployment.unit."iCareDemoWeb.war".POST_MODULE: org.jboss.msc.service.StartException in serv
ice jboss.deployment.unit."iCareDemoWeb.war".POST_MODULE: Failed to process phase POST_MODULE of deployment "iCareDemoWeb.war"

15:02:09,187 ERROR [org.jboss.as.server.deployment.scanner] (DeploymentScanner-threads - 2) {"JBAS014653: Composite operation failed and was rolled back. Ste
ps that failed:" => {"Operation step-2" => {"JBAS014671: Failed services" => {"jboss.deployment.unit.\"iCareDemoWeb.war\".POST_MODULE" => "org.jboss.msc.serv ice.StartException in service jboss.deployment.unit.\"iCareDemoWeb.war\".POST_MODULE: Failed to process phase POST_MODULE of deployment \"iCareDemoWeb.war\"" }}}}