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Session management error

  • Hello,
    I've built GUI app (linked with Qt sdk libs 4.6.2) on Ubuntu workstation and I am trying to run that app on Red Hat EL 5.7.
    That worked before with older version of RedHat.
    The errors I see now:

    Qt: Session management error: Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed
    ./PearlQt: symbol lookup error: ./PearlQt: undefined symbol: _Z13qFlagLocationPKc

    What host authentication protocols?
    Any idea what the problem is?

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