JBoss EAP throws IOException: Cannot recover key exception during startup

Issue

• Why does JBoss throw a "java.io.IOException: Cannot recover key" exception during startup?

• The following error is logged when starting JBoss Enterprise Application Platform 5:

  ERROR [Http11Protocol] Error initializing endpoint
  java.io.IOException: Cannot recover key
          at org.apache.tomcat.util.net.jsse.JSSESocketFactory.init(JSSESocketFactory.java:485)
          at org.apache.tomcat.util.net.jsse.JSSESocketFactory.createSocket(JSSESocketFactory.java:142)
          at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:502)
          at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:175)
  

• The following error is logged when starting EAP 6:

  ERROR [org.apache.coyote.http11] (MSC service thread 1-2) JBWEB003043: Error initializing endpoint: java.io.IOException: Cannot recover key
      at org.apache.tomcat.util.net.jsse.JSSESocketFactory.init(JSSESocketFactory.java:488)
      at org.apache.tomcat.util.net.jsse.JSSESocketFactory.createSocket(JSSESocketFactory.java:162)
      at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:967)
      at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:174)
  

• The following error is logged trying to create a SSL connection EAP 7 :

  Caused by: java.security.UnrecoverableKeyException: Cannot recover key
  at sun.security.provider.KeyProtector.recover(KeyProtector.java:328)
  at sun.security.provider.JavaKeyStore.engineGetKey(JavaKeyStore.java:146)
  at sun.security.provider.JavaKeyStore$JKS.engineGetKey(JavaKeyStore.java:56)
  at java.security.KeyStoreSpi.engineGetEntry(KeyStoreSpi.java:473)
  at sun.security.provider.KeyStoreDelegator.engineGetEntry(KeyStoreDelegator.java:172)
  at sun.security.provider.JavaKeyStore$DualFormatJKS.engineGetEntry(JavaKeyStore.java:70)
  at java.security.KeyStore.getEntry(KeyStore.java:1521)
  at org.jboss.as.domain.management.security.FileKeystore.load(FileKeystore.java:134)