Iceberg: Bucket partition transform with DECIMAL can throw NPE

CREATE TABLE test (c_decimal DECIMAL(38, 0)) PARTITIONED BY SPEC (bucket(8, c_decimal)) STORED BY ICEBERG;
INSERT INTO test VALUES (CAST('50000000000000000000441610525' AS DECIMAL(38, 0))); 

ERROR : Vertex failed, vertexName=Map 1, vertexId=vertex_1722775255811_0004_1_00, diagnostics=[Task failed, taskId=task_1722775255811_0004_1_00_000000, diagnostics=[TaskAttempt 0 failed, info=[Error: Node: yarn-nodemanager-2.yarn-nodemanager.zookage.svc.cluster.local/10.1.5.93 : Error while running task ( failure ) : attempt_1722775255811_0004_1_00_000000_0:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing writable
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:348)
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:276)
	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:381)
	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:82)
	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:69)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:69)
	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:39)
	at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
	at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:131)
	at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:75)
	at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:82)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing writable
	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:110)
	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:83)
	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:414)
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:293)
	... 16 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing writable
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:569)
	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:101)
	... 19 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:384)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
	at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:94)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
	at org.apache.hadoop.hive.ql.exec.UDTFOperator.forwardUDTFOutput(UDTFOperator.java:133)
	at org.apache.hadoop.hive.ql.udf.generic.UDTFCollector.collect(UDTFCollector.java:45)
	at org.apache.hadoop.hive.ql.udf.generic.GenericUDTF.forward(GenericUDTF.java:110)
	at org.apache.hadoop.hive.ql.udf.generic.GenericUDTFInline.process(GenericUDTFInline.java:64)
	at org.apache.hadoop.hive.ql.exec.UDTFOperator.process(UDTFOperator.java:116)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
	at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:94)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
	at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:173)
	at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:155)
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:555)
	... 20 more
Caused by: java.lang.NullPointerException
	at org.apache.iceberg.mr.hive.udf.GenericUDFIcebergBucket.lambda$initialize$4(GenericUDFIcebergBucket.java:137)
	at org.apache.iceberg.mr.hive.udf.GenericUDFIcebergBucket.evaluate(GenericUDFIcebergBucket.java:201)
	at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:235)
	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:80)
	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:68)
	at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.populateCachedDistributionKeys(ReduceSinkOperator.java:400)
	at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:318)
	... 34 more