title: jbas015852 could not index class java.lang.IllegalStateException: Unknown tag
body: <p>This error happens when deploying to a local JBOSS server. Is there a way to resolve this warning?</p>
  
  <blockquote>
    <p>22:31:22,992 WARN  [org.jboss.as.server.deployment] (MSC service thread 1-13) JBAS015852: Could not index class com/company/core/security/AuthRealm.class at /C:/DevTools/jboss-eap-6.3/bin/content/platform-ws-0.1.war/WEB-INF/lib/com.company.platform-platform-core-0.1.jar: java.lang.IllegalStateException: Unknown tag! pos=20 poolCount = 133
        at org.jboss.jandex.Indexer.processConstantPool(Indexer.java:606) [jandex-1.0.3.Final-redhat-2.jar:1.0.3.Final-redhat-2]
        at org.jboss.jandex.Indexer.index(Indexer.java:640) [jandex-1.0.3.Final-redhat-2.jar:1.0.3.Final-redhat-2]
        at org.jboss.as.server.deployment.annotation.ResourceRootIndexer.indexResourceRoot(ResourceRootIndexer.java:100) [jboss-as-server-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
        at org.jboss.as.server.deployment.annotation.AnnotationIndexProcessor.deploy(AnnotationIndexProcessor.java:51) [jboss-as-server-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:159) [jboss-as-server-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1980) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1913) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_31]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_31]
        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_31]</p>
  </blockquote>
  
  <p>An explanation of what is going on would be much appreciated, too.</p>