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I'm now checking existence with DSPLNK (*PRINT) before I attempt to do the _open, but it's kind of inelegant.
Ewww... yuck, blech... If you want to work around the problem, use the IFS APIs to get a list of files in the directory, not DSPLNK (and certainly not *PRINT!). Or check each file with the access() API before trying to open it with HSSF_open().
Search Google for opendir closedir readdir RPG IV. I've written quite a few articles, as well as forums and mailing list messages that demonstrate these. I'm too lazy to look them up right now :)
But that's just a workaround. the "right fix" is to stop HSSF_open() from causing the whole JVM to go askew when one open fails. I suspect that the Java routine is throwing an error, and the RPG routine isn't properly clearing the error. I'll have to experiment with HSSFR4 to see if I can come up with a solution. Most likely, you just need to call the ExceptionClear() API to clear the error.
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