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Why, after recently updating the IBM SDK for z/OS, does my JRIO program fail with the message: java.lang.IllegalArgumentException: recordLength=32760?

April 26, 2017fail IBM jrio message OS program SDK updating

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Why, after recently updating the IBM SDK for z/OS, does my JRIO program fail with the message: java.lang.IllegalArgumentException: recordLength=32760?

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JRIO made corrections to handling variable block data and this has made application code fail that should have failed before. This is related to the fact that the method getInstanceOf has multiple signatures. This previously worked because JRIO was incorrectly handling VB data. Since JRIO is now properly handling VB data, you will need to use a more general signature intended for opening existing datasets.