Application fails to deploy in JBoss EAP 6.x with IOException: invalid manifest format

Issue

• Our application example.war is failing with the exception below in JBoss EAP 6.2 :

15:29:57,205 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-18) MSC000001: Failed to start service jboss.deployment.unit."example.war".STRUCTURE: org.jboss.msc.service.StartException in service jboss.deployment.unit."example.war".STRUCTURE: JBAS018733: Failed to process phase STRUCTURE of deployment "example.war"
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:127) [jboss-as-server-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.4.GA-redhat-1.jar:1.0.4.GA-redhat-1]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.4.GA-redhat-1.jar:1.0.4.GA-redhat-1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_21]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_21]
        at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_21]
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: JBAS018741: Failed to get manifest for deployment "/jboss-eap-6.2/standalone/deployments/example.war/WEB-INF/lib/example.jar"
        at org.jboss.as.server.deployment.module.ManifestAttachmentProcessor.getManifest(ManifestAttachmentProcessor.java:78) [jboss-as-server-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
        at org.jboss.as.server.deployment.module.ManifestAttachmentProcessor.deploy(ManifestAttachmentProcessor.java:65) [jboss-as-server-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:120) [jboss-as-server-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
        ... 5 more
Caused by: java.io.IOException: invalid manifest format
        at java.util.jar.Manifest.read(Manifest.java:225) [rt.jar:1.7.0_21]
        at java.util.jar.Manifest.<init>(Manifest.java:69) [rt.jar:1.7.0_21]
        at org.jboss.vfs.VFSUtils.readManifest(VFSUtils.java:224) [jboss-vfs-3.2.2.Final-redhat-1.jar:3.2.2.Final-redhat-1]
        at org.jboss.vfs.VFSUtils.getManifest(VFSUtils.java:208) [jboss-vfs-3.2.2.Final-redhat-1.jar:3.2.2.Final-redhat-1]
        at org.jboss.as.server.deployment.module.ManifestAttachmentProcessor.getManifest(ManifestAttachmentProcessor.java:76) [jboss-as-server-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
        ... 7 more