Hi, I got "IllegalArgumentException: Comparison method violates its general contract!" in BufferOp. This issue was introduced by changes in Java 7 sorting algorithm.
It was already discussed on this mailing list (2012-11-05 - http://ehc.ac/p/jts-topo-suite/mailman/message/30057535/ ) . I'm using JTS 1.13. And I don't see fix in trunk (I didn't test trunk version). This is showstopper for me. Will this issue be fixed soon? Or should I try to fix it and send patch to JTS? Thank you Martin Stack trace from older post: Exception in thread "pool-357-thread-8" java.lang.IllegalArgumentException: Comparison method violates its general contract! at java.util.ComparableTimSort.mergeLo(ComparableTimSort.java:714) at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:451) at java.util.ComparableTimSort.mergeCollapse(ComparableTimSort.java:376) at java.util.ComparableTimSort.sort(ComparableTimSort.java:182) at java.util.ComparableTimSort.sort(ComparableTimSort.java:146) at java.util.Arrays.sort(Arrays.java:472) at java.util.Collections.sort(Collections.java:155) at com.vividsolutions.jts.operation.buffer.SubgraphDepthLocater.getDepth(SubgraphDepthLocater.java:66) at com.vividsolutions.jts.operation.buffer.BufferBuilder.buildSubgraphs(BufferBuilder.java:289) at com.vividsolutions.jts.operation.buffer.BufferBuilder.buffer(BufferBuilder.java:156) at com.vividsolutions.jts.operation.buffer.BufferOp.bufferFixedPrecision(BufferOp.java:368) at com.vividsolutions.jts.operation.buffer.BufferOp.bufferReducedPrecision(BufferOp.java:356) at com.vividsolutions.jts.operation.buffer.BufferOp.bufferReducedPrecision(BufferOp.java:320) at com.vividsolutions.jts.operation.buffer.BufferOp.computeGeometry(BufferOp.java:312) at com.vividsolutions.jts.operation.buffer.BufferOp.getResultGeometry(BufferOp.java:299) at com.vividsolutions.jts.operation.buffer.BufferOp.bufferOp(BufferOp.java:175) at com.vividsolutions.jts.geom.Geometry.buffer(Geometry.java:1180) at ch.valnova.ontracktiler.simplify.TileGeometrySimplifier.simplifyGeometry(TileGeometrySimplifier.java:110) at ch.valnova.ontracktiler.DatabaseTiler$ProcessingRunnable.doProcessing(DatabaseTiler.java:134) at ch.valnova.ontracktiler.DatabaseTiler$ProcessingRunnable.run(DatabaseTiler.java:117) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) ------------------------------------------------------------------------------ Open source business process management suite built on Java and Eclipse Turn processes into business applications with Bonita BPM Community Edition Quickly connect people, data, and systems into organized workflows Winner of BOSSIE, CODIE, OW2 and Gartner awards http://p.sf.net/sfu/Bonitasoft _______________________________________________ Jts-topo-suite-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jts-topo-suite-user
