Re: POI HSSF Windows Server X11 error resolved -- JAVA400-L

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On 3/21/2016 12:58 PM, Darren Strong wrote:

We're currently running the Jakarta POI HSSF Excel generation java methods,
version 3.10.1. I attempted to replace this with the current version,
which is 3.14. Identical programs on different IBM i servers reacted
differently to this upgrade. Some worked as on the previous version, but
our production server blew up on an error about Windows Server X11 could
not be located. I found that some other install had created an environment
variable "DISPLAY" with an attribute of "localhost:10" on the production
server. Removing this environment variable let the new version (3.14) work
correctly. This DISPLAY variable has something to do with defining a
display device to Java, which I presume does not exist for an IBM i job
running in batch.

I'm posting this for someone else that may have experienced a similar
issue, so that it might help you.

I have a DISPLAY environment variable, but I thought it was for my
experiments with XWindows, which is not Microsoft Windows. It's a
little surprising that Java knows anything about that. My POI 3.11
classes don't care about it. I need to do some tinkering I guess...

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