Why do I see the warning message Detected a NaN anomaly believed to be due to use of JDK 1.4.1?
You’re using an obsolete version of Jena and JDK 1.4.1. As a side effect of some changes post-Jena 2.1 we started seeing random error message of the form ‘Illegal load factor: NaN’ when creating a HashMap. This appears to be a JDK bug in that the call is perfectly legal and the error message is seen frequently under JDK 1.4.1 but has never been seen under 1.3.1 or 1.4.2. We provided a work around which simply tries again to create the HashMap and this log message indicates that the work around has been triggered. Later versions of Jena ceased using that code.
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