Hi!
I performed:
Updating the Java Development Kit (JDK)> oracle jdk1.8.0_51
Installing the Java Cryptography Extension (JCE)
Upgrading the Vibe Software
Upgrading the Vibe Database from 3.4 to 4

Starting Vibe
I get an error is thrown,recursion and a stack overflow in appserver.slog
Code:
2015-08-05 11:32:29,162 INFO [localhost-startStop-1]
[org.kablink.teaming.module.binder.impl.BinderModuleImpl] - Finished
upgrading team membership
2015-08-05 11:32:29,459 INFO [localhost-startStop-1]
[org.kablink.teaming.module.profile.impl.ProfileModuleImpl] - Marked
group: zbd as a group containing external users.
2015-08-05 11:32:29,639 INFO [localhost-startStop-1]
[org.kablink.teaming.module.profile.impl.ProfileModuleImpl] - Marked
group: expert_ as a group containing external users.
2015-08-05 11:32:29,732 ERROR [localhost-startStop-1]
[org.kablink.teaming.web.servlet.listener.ContextListenerPostSpring] -
Error during startup
java.lang.StackOverflowError
        at java.lang.StringBuilder.append(StringBuilder.java:136)
        at
org.kablink.teaming.module.profile.impl.ProfileModuleImpl.markGroupsAsExternalAsNeeded(ProfileModuleImpl.java:3418)
        at
org.kablink.teaming.module.profile.impl.ProfileModuleImpl.markGroupsAsExternalAsNeeded(ProfileModuleImpl.java:3477)
        at
org.kablink.teaming.module.profile.impl.ProfileModuleImpl.markGroupsAsExternalAsNeeded(ProfileModuleImpl.java:3477)
        at
org.kablink.teaming.module.profile.impl.ProfileModuleImpl.markGroupsAsExternalAsNeeded(ProfileModuleImpl.java:3477)
        at
org.kablink.teaming.module.profile.impl.ProfileModuleImpl.markGroupsAsExternalAsNeeded(ProfileModuleImpl.java:3477)
        at
org.kablink.teaming.module.profile.impl.ProfileModuleImpl.markGroupsAsExternalAsNeeded(ProfileModuleImpl.java:3477)
What to do with external users Vybe4?