Re: Java exception "java.lang.OutOfMemoryError: Java heap space" when calling ...

Hi Don -- they should be the first options specified after the "java"
command if you are starting your app in the IFS "manually" typing in the
command (or in a shell script).

If you use the green-screen JAVA command then F4 to prompt, F9 for all
options and fill in these:


*Garbage collect initial size . . *DFT 256-240000000 kilobytes
Garbage collect maximum size . . *DFT 256-240000000 kilobytes *

Choose your option and count your zeroes carefully, esp *NOMAX on maximum
size can consume all available storage!!!

On Wed, Sep 13, 2017 at 6:40 AM, Don Brown <DBrown@xxxxxxxxxx> wrote:

Jack, I do not know where to specify these options ?



Don Brown





From: "Jack Woehr" <jwoehr@xxxxxxxxxxxxxxxxxxxxxxxx>
To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Date: 13/09/2017 10:30 PM
Subject: Re: Java exception "java.lang.OutOfMemoryError: Java heap
space" when calling ...
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



*java -Xms4g -Xmx4g *... etc

On Wed, Sep 13, 2017 at 5:39 AM, Steve Pitcher <SPitcher@xxxxxxxxxxxx>
wrote:

Check the recovery parameter. You should be able to split the workbook
into multiple sheets to get past the error.



Steve Pitcher
iTech Solutions
Office: (203) 744-7854 Ext. 176
Mobile: (902) 301-0810
http://www.itechsol.com
http://www.iInTheCloud.com


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Don Brown
Sent: Wednesday, September 13, 2017 5:19 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Java exception "java.lang.OutOfMemoryError: Java heap space"

when

calling ...

V7R2 and current on PTF's

Using HSSFR4 with POI version 3.8 creating .xlsx spreadsheet

Getting a java out of memory error.

Spreadsheet contains approximately 1,000,000 records.

I believe I need to increase the default heap size for the JVM but so

far

google has failed me.

Has anyone come across this and solved it ?

Thank you


Don Brown

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