Re: dbastudio: no logon possible

From: Oliver Budde <oliver.budde_at_xxx.de>
Date: Fri, 6 Jun 2003 13:33:28 +0200
Message-ID: <bbpu2c$1ff$1_at_graf.cs.uni-magdeburg.de>

I solved that problem!
A debug session drove to the solution. I started Oracle with oemapp debug dbastudio and received this exception:

<snip>

NVFactory: _readNVPair expected )
NVFactory: _readNVPair expected )
NVFactory: _readNVLiteral expected LITERAL
java.lang.NullPointerException
at oracle.net.nl.NVPair.setAtom(NVPair.java)
at oracle.net.nl.NVFactory._readNVPair(NVFactory.java)
at oracle.net.nl.NVFactory.createNVPair(NVFactory.java)
at oracle.net.nl.NLParamParser.addNLPListElement(NLParamParser.java)
at oracle.net.nl.NLParamParser.<init>(NLParamParser.java)
at oracle.sysman.vdb.VdbUtil.findInTNSFile(VdbUtil.java:756)

at oracle.sysman.vdb.VdbUtil.findInTNSNAMES(VdbUtil.java:723) at oracle.sysman.vdb.VdbUtil.buildConnectDescriptor(VdbUtil.java:272) at
oracle.sysman.vdb.VdbSession.buildConnectionInformation(VdbSession.java:4122 )
at oracle.sysman.vdb.VdbSession.establishConnection(VdbSession.java:1249) at oracle.sysman.vdb.VdbSession.<init>(VdbSession.java:763) at
oracle.sysman.vdb.VdbAutoCommitSession.<init>(VdbAutoCommitSession.java:266) at
oracle.sysman.vdb.VdbSessionFactory.getNewAutoCommitSession(VdbSessionFactor y.java:1206)
</snip>

This exception occurs while parsing the tnsnames.ora and listner.ora. So after correcting my entries there, everything works fine again.

"Oliver Budde" <oliver.budde_at_xxx.de> schrieb im Newsbeitrag news:<bbpicj$vb$1_at_graf.cs.uni-magdeburg.de>...
> Hello,
>
> I am working with a Oracle 9i (second release) on a windows 2000
> Service Pack 3(german) system.Unfortunately it is not possible for me
> to log on any kind of database through the dbastudio gui, and I don't
> have any clue why. I start the application(Enterprise Management
> Console), choose "Start standanlone" and then if I try to log on to
> any database(not only the local one), nothing happens. The dialogbox
> with the login information doesn't disappear. The strange thing is,
> that sqlplus still works properly. So the listener is OK. Probably
> this problems relates to a misconfiguration of my java vm, but I don't
> know what to change.
>
> Has somebody ever experienced such a thing before?
>
> Thanks
> Oliver Budde
>
>
"Oliver Budde" <oliver.budde_at_xxx.de> schrieb im Newsbeitrag news:bbpicj$vb$1_at_graf.cs.uni-magdeburg.de...
> Hello,
>
> I am working with a Oracle 9i (second release) on a windows 2000 Service
> Pack 3(german) system.Unfortunately it is not possible for me to log on
any
> kind of
> database through the dbastudio gui, and I don't have any clue why. I start
> the application(Enterprise Management Console), choose "Start standanlone"
> and then if I try to log on to any database(not only the local one),
nothing
> happens. The dialogbox with the login information doesn't disappear. The
> strange thing is, that sqlplus still works properly. So the listener is
OK.
> Probably this problems relates to a misconfiguration of my java vm, but I
> don't know what to change.
>
> Has somebody ever experienced such a thing before?
>
> Thanks
> Oliver Budde
>
>
Received on Fri Jun 06 2003 - 13:33:28 CEST