Pro*C and not logged in error

Hi,
i tried rewriting the sample1.pc code so i could test it on a
client machine connecting to a DB host.
this is what CONNECT looks like:
EXEC SQL CONNECT :username IDENTIFIED BY :password
AT :hostname USING :dbsid;
then when i run:
[oracle@xonos proc]$ ./sample1
Connected to ORACLE as user: SCOTT
Enter employee number (0 to quit): 7900
ORACLE error--
ORA-01012: not logged on
i can run:
sqlplus scott/tiger@obiwan (obiwan is my DB server name)
it works fine.
any info would be most helpful.
thanks ahead of time,
-- adam
null

well, i find an Pro*C book and i saw what i was doing wrong.
the "using" is the host name, but i still do not know what "at"
is for, but i got more program working....
Adam (guest) wrote:
: Hi,
: i tried rewriting the sample1.pc code so i could test it on a
: client machine connecting to a DB host.
: this is what CONNECT looks like:
: EXEC SQL CONNECT :username IDENTIFIED BY :password
: AT :hostname USING :dbsid;
: then when i run:
: [oracle@xonos proc]$ ./sample1
: Connected to ORACLE as user: SCOTT
: Enter employee number (0 to quit): 7900
: ORACLE error--
: ORA-01012: not logged on
: i can run:
: sqlplus scott/tiger@obiwan (obiwan is my DB server name)
: it works fine.
: any info would be most helpful.
: thanks ahead of time,
: -- adam
null

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ERROR: ORA-01012 NOT LOGGED ON ERROR
I AM USING A JAVA SWING INTERFACE (JDK 1.1.8), WHICH USES JNI TO CALL C PROGRAMS WHICH IN TURN CONNECTS TO THE DATABASE, ORACLE 8.1.6.
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apologise for the caps lock.
i am working on a previous system with java swing front end which alread uses jni, and connects to database using pro *c.
My problem is that the connection is lost as soon as the constructor of the main class is run, giving an
ORA-1012 NOT LOGGED ON ERROR.
But if i place the same calls in the contructor all the database call work.
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//constructor
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Plus if i dont use the java interace and use a c stub for executing the same sequence of functions, then i dont face any problems.
the proc calls exectuted ultimately by...
:::eiqinitenv
exec sql connect using :sqlid identified by sqlpw; // succeeds giving sqlerr.sqlcode=0;
::::eiqterm env
exec sql commit work; //fails giving 0ra-1012 error
exec sql rollback work;
Why is the java interface loosing track of the connection once done with the constructor of the main class?? The session still finds an entry in the oracle dynamic tables.
Please help
Thx
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Time Machine couldn't complete the backup to "Time Capsule. The backup disk image /Volumes/Data/MacBook Pro.sparsebundle could not be created (error 60)"

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