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IDL-Java bridge problem [message #43760]

Wed, 27 April 2005 06:55

dszlucha@gmail.com
Messages: 3
Registered: November 2004

Junior Member

I am having a problem with the IDL-Java bridge and JDBC. I am using IDL
6.1 on Windows 2000 and have written a small java program that
registers an Oracle driver and inserts a record. It works fine with a
"test" main function in my java app, but in an IDL session, the Oracle
driver is never found. I am using the default idljavabrc file and
setting my CLASSPATH environment variable to point to my java class'
jar file and the Oracle JDBC zip file. Thanks.

David Szlucha

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Re: IDL-Java bridge [message #64916 is a reply to message #43760]

Tue, 27 January 2009 00:12

Robbie
Messages: 165
Registered: February 2006

Senior Member

I've answered my own question.

The full story is that Java needs a bit of coaxing to handle large
data sets. I actually interrogate the JVM and start to use memory
mapped files when I'm nearing the JVMs memory limit. While it is a
neat solution I would be better to stipulate that I use memory mapped
files for anything greater than 10Mb. This would allow me to just read
the files directly from IDL rather than using the bridge.

Robbie

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