[Ksecretservice-devel] Call for help sorting out bizarre bug

Valentin Rusu kde at rusu.info
Sun Oct 9 11:06:32 UTC 2011

Hello again!

This blog post helped me to understand and fix it:

In my case, the daemon send a signal having a QDBusVariant argument 
containing a QList<QDBusObjectPath> and Qt won't know how to un-marshall it.

And BTW, the debugger has also a problem showing empty strings in the 
dbus-monitor helped a lot showing that the list actually had valid 
strings in it and pointing me to a client-side problem.

On 10/06/2011 02:10 PM, Valentin Rusu wrote:
> Hello lists,
> [sorry for the cross-posting]
> Testing ksecretsserviced, I stumbled on a rather bizarre bug and I'd
> like to ask you if it reproduces on your systems or it's only my
> system's fault.
> Steps to reproduce:
> - compile kdelibs:ksecretsservice branch and install it (i merged it
> with KDE/4.7 branch yesterday),
> - compile current ksecretservice sources and install (cmakekde),
> [if you build errors in the secretsync dir, simply rerun cmakekde, I'll
> fix that later]
> - launch in the debugger ksecretsserviced
> # place a breakpoint in daemon/frontent/secret/prompt.cpp:259
> - in a konsole prompt, type
> kwl2kss # this will import your existing wallet into the daemon
> # several prompts will popup, simply follow instructions
> - still inside the konsole, type
> ksecrets -l<your kdewallet name>  # on my system ksecrets -l kdewallet
> # enter the imported collection password you defined above
> # click OK in the permissions dialog
> - the breakpoint will be hit
> # do one step and tell me if the m_result collection has a non empty
> string element after executing append call
> [On my system, m_result stubornly holds on empty string, no matter what
> path variable holds]
> I even did a separate program to handle QList<QDBusObjectPath>  and it
> works fine.
> I'm currently stuck :-(
> My other system configuration:
> - opensuse 11.4 tumbleweed,
> - qt 4.8 compiled last week [perhaps I should go back to 4.7 ?]
> Thanks for your help,

Valentin Rusu (IRC valir, KDE vrusu)
KSecretsService (former KSecretService, KWallet replacement)

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