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Full Discussion: Linux process exit
Top Forums Shell Programming and Scripting Linux process exit Post 302972477 by jim mcnamara on Thursday 5th of May 2016 09:06:28 PM
Old 05-05-2016
Oracle DBMS_OUTPUT checks to see if stdout (if it exists) is a tty (or a redirected file) on the controlling process. If there is none, nothing is written, anywhere.

This is because of the operational model of oracle processes in UNIX. One process executes the code, another process is forked from the starting one to connect() to oracle. That second process talks via sockets to a third unique process on the DBMS phyiscal server. There is no way for the server when and if it executes to know what is going on on the other side - the original process that made the connection.

This model holds with minor changes no matter where the original process runs.
Answer:
Code:
1. make sure you understand the location of writable directories on the DBMS server box
that  the DBA has created.  These directory objects can be seen to exist in the view ALL_DIRECTORIES
2. call UTL_FILE - open method for a file in the allowed directory, then: printf method, close method, etc. to write your file.
3. copy it back from the oracle special I/O directory to someplace  useful for your app.

This User Gave Thanks to jim mcnamara For This Post:
tricampeon81
 

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LEARN ABOUT MOJAVE

jsadebugd

jsadebugd(1)						      General Commands Manual						      jsadebugd(1)

NAME

       jsadebugd - serviceability agent debug daemon

SYNOPSIS

       jsadebugd [pid] [server-id]
       jsadebugd executable core [server-id]

DESCRIPTION

       jsadebugd  attaches to a Java process or core file and acts as a debug server. Remote clients such as jstack, jmap, and jinfo can attach to
       the server using Java Remote Method Invocation (RMI). Before starting jsadebugd, rmiregistry must be started with:

	      rmiregistry -J-Xbootclasspath/p:$JAVA_HOME/lib/sajdi.jar

       where $JAVA_HOME is the J2SE SDK installation directory.  If rmiregistry was not started, jsadebugd will start an rmiregistry in a standard
       (1099) port internally. Debug server may be stopped by sending SIGINT (pressing Ctrl-C) to it.

       NOTE - This utility is unsupported and may or may not be available in future versions of the J2SE SDK.  jinfo is not currently available on
       Windows platforms or on the Linux Itanium platform.

PARAMETERS

       pid	      process id of the process to which the debug server should attach. The process must be a Java process. To get a list of Java
		      processes  running  on  a  machine,  jps	may be used.  At most one instance of the debug server may be attached to a single
		      process.

       executable     Java executable from which the core dump was produced.

       core	      core file to which the debug server should attach.

       server-id      optional unique id, needed if multiple debug servers are started on the same machine. This ID must be used by remote clients
		      to identify the particular debug server to attach. Within a single machine, this ID must be unique.

SEE ALSO

       jinfo(1) jmap(1) jps(1) jstack(1) rmiregistry(1)

								   13 June 2004 						      jsadebugd(1)
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