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  1.  Home
  2. JAVA400-L
  3. May 2009

RE: PCML parameter size limit

Dan and David,

Thank you for the suggestion. The use of IFS classes was the approach I looked into as well. Your replies confirmed that it should be a right direction.

Thanks again,
Derek

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Dan Kimmel
Sent: Wednesday, May 13, 2009 10:52 AM
To: Java Programming on and around the iSeries / AS400
Subject: RE: PCML parameter size limit

It's way too much data to pass in a parameter. Remember that a parameter
is not only passed to the called program, it is also passed back. So if
you pass 1MB of data, at least 2MB of data are passing through the
communication media. This would probably affect performance.

Better to use the JT400 IFS classes to write the data into a file and
pass the file name as a parameter on the call. You could also use data
queues, but you'd probably bump the size limit of a dataqueue entry as
well forcing you to come up with a spanning algorithm.

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Derek Chow
Sent: Wednesday, May 13, 2009 10:07 AM
To: java400-l@xxxxxxxxxxxx
Subject: PCML parameter size limit

We used the Program Call Bean wizard in WDSC to build a set of Java
beans that call iSeries ILE/C service program functions. A data stream
is passed to the service program function through a parameter. However,
we hit a size limit on PCML parameter (a PCML specification error) when
we declared the parameter size bigger than 1 MB.

How can we get around the limitation? Ideally the current IFS maximum
file size limit can be supported thru the parameter. We are using WDSC
v7.0 and PCML V4.0. Any input and suggestion would be appreciated.

Thanks,
Derek

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