Oracle7 Server Messages

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Message Stacks

Occasionally, you may see a "message stack." This is simply a series of related messages issued at different levels of Oracle.

The following message stack is a generic example:

ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "SCOTT.VALUE_ERR", line 1
ORA-06512: at line 1 

The following message stack is a VAX/VMS example:

ORA-01034: Oracle not available
ORA-07625: smsget: $MGBLSC failure
%SYSTEM-W-NOSUCHSEC, no such (global) section 

In this example, notice that the message at the bottom of the stack is issued by the VMS operating system. Seeing the messages at each level in the system may help you trace the originating event. For example, in this case, Oracle may not be available simply because it has not been started, and consequently there is no system global area (SGA). If you need the help of customer support, be sure to report all the messages in the stack.


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