Problem migrating from JBoss 7.1 to EAP6.4

Issue

[org.apache.catalina.core] (ServerService Thread Pool -- 55) JBWEB001097: Error starting context /HelloWorld: java.lang.NumberFormatException: For input string: "0.1"
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) [rt.jar:1.8.0_92]
    at java.lang.Integer.parseInt(Integer.java:580) [rt.jar:1.8.0_92]
    at java.lang.Integer.parseInt(Integer.java:615) [rt.jar:1.8.0_92]
    at org.apache.catalina.core.StandardContext.getVersionMinor(StandardContext.java:1381) [jbossweb-7.5.17.Final-redhat-1-bz-1377657.jar:7.5.17.Final]
    at org.apache.catalina.core.StandardContext.setVersion(StandardContext.java:1397) [jbossweb-7.5.17.Final-redhat-1-bz-1377657.jar:7.5.17.Final]
    at org.jboss.as.web.deployment.JBossContextConfig.processWebMetaData(JBossContextConfig.java:322) [jboss-as-web-7.5.10.Final-redhat-2.jar:7.5.10.Final-redhat-2]
    at org.jboss.as.web.deployment.JBossContextConfig.applicationWebConfig(JBossContextConfig.java:269) [jboss-as-web-7.5.10.Final-redhat-2.jar:7.5.10.Final-redhat-2]
    at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:369) [jbossweb-7.5.17.Final-redhat-1-bz-1377657.jar:7.5.17.Final]