lamber-ken edited a comment on issue #1455: [SUPPORT] Hudi upsert run into exception: java.lang.NoSuchMethodError: java.lang.Math.floorMod(JI)I URL: https://github.com/apache/incubator-hudi/issues/1455#issuecomment-605100639 Welcome @EdwinGuo, to figure it out, we need to add some log statement. ``` git clone [email protected]:apache/incubator-hudi.git mvn clean install -DskipTests -DskipITs -Dcheckstyle.skip=true -Drat.skip=true -T 2C ``` ``` @Override public int getPartition(Object key) { final Pair<String, String> parts = (Pair<String, String>) key; final long hashOfKey = NumericUtils.getMessageDigestHash("MD5", parts.getRight()); final List<Integer> candidatePartitions = fileGroupToPartitions.get(parts.getLeft()); int idx = 0; try { idx = (int) Math.floorMod(hashOfKey, candidatePartitions.size()); } catch (Exception e) { LOG.error("hashOfKey: " + hashOfKey + ", " + candidatePartitions.size()); throw new RuntimeException(e); } assert idx >= 0; return candidatePartitions.get(idx); } ```
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