Anytime you see a number like 256 it is likely you are hitting some limit.
My guess is you are running out of memory in your application on that
client.
If you are trying to open that many connections from a single client you
should start to look at connection manager to pool these connections of at
least recode your app to share connections.
Brad
-----Original Message-----
Sent: Tuesday, December 16, 2003 1:39 PM
To: Multiple recipients of list ORACLE-L
Dear Gurus,
We are getting the following error if we try to create more than 256
connections from the same client. The problem is easily reproducible bt
writing simple java program and keep creating connections(do not close it).
Did anyone encounter this kind of issue and how did you solve it?
Exception in thread "main" java.sql.SQLException: ORA-12154: TNS:could not
resolve service name
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.sql.SQLException.<init>(SQLException.java:43)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
at oracle.jdbc.oci8.OCIDBAccess.check_error(Compiled Code)
at oracle.jdbc.oci8.OCIDBAccess.logon(Compiled Code)
at oracle.jdbc.driver.OracleConnection.<init>(Compiled Code)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(Compiled
Code)
at oracle.jdbc.driver.OracleDriver.connect(Compiled Code)
at java.sql.DriverManager.getConnection(Compiled Code)
at java.sql.DriverManager.getConnection(Compiled Code)
at j1.main(Compiled Code)
Thanks in advance
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