Upgrading to 4.0.0 fails due to missing jar

ERROR: problem running command
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at com.cenqua.fisheye.FishEyeCtl.mainImpl(FishEyeCtl.java:101)
        at com.cenqua.fisheye.FishEyeCtl.main(FishEyeCtl.java:44)
Caused by: java.lang.NoClassDefFoundError: com/atlassian/ip/Subnet
        at com.atlassian.security.auth.trustedapps.AtlassianIPMatcher.parsePatternString(AtlassianIPMatcher.java:56)
        at com.atlassian.security.auth.trustedapps.RequestConditions$RulesBuilder.addIPPattern(RequestConditions.java:45)
        at com.atlassian.fisheye.trustedapplications.DefaultFisheyeTrustedApplicationsManager.createTrustedApplication(DefaultFisheyeTrustedApplicationsManager.java:120)
        at com.atlassian.fisheye.trustedapplications.DefaultFisheyeTrustedApplicationsManager.getTrustedApplicationsMap(DefaultFisheyeTrustedApplicationsManager.java:98)
        at com.atlassian.fisheye.trustedapplications.DefaultFisheyeTrustedApplicationsManager.getTrustedApplications(DefaultFisheyeTrustedApplicationsManager.java:83)
        at com.cenqua.fisheye.ctl.SystemInfoMessage.addTrustedApps(SystemInfoMessage.java:183)
        at com.cenqua.fisheye.ctl.SystemInfoMessage.getMessage(SystemInfoMessage.java:101)
        at com.cenqua.fisheye.ctl.Run.printSystemInfo(Run.java:338)
        at com.cenqua.fisheye.ctl.Run.mainImpl(Run.java:249)
        at com.cenqua.fisheye.ctl.Run.main(Run.java:56)
        ... 6 more
Caused by: java.lang.ClassNotFoundException: com.atlassian.ip.Subnet
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 16 more