XBaith opened a new issue, #2864:
URL: https://github.com/apache/amoro/issues/2864
### What happened?
When the schema of a field is optional and the field is null, a
NullPointException is thrown when estimating the record size in a SpillableMap
### Affects Versions
master
### What engines are you seeing the problem on?
Optimizer
### How to reproduce
1. create a table that has optional filed
2. write a record with null field
3. run self-optimizing
### Relevant log output
```shell
java.lang.NullPointerException
at
com.netease.arctic.utils.map.StructLikeWrapperSizeEstimator.sizeOf(StructLikeWrapperSizeEstimator.java:39)
at
com.netease.arctic.utils.map.StructLikeWrapperSizeEstimator.sizeEstimate(StructLikeWrapperSizeEstimator.java:33)
at
com.netease.arctic.utils.map.StructLikeWrapperSizeEstimator.sizeEstimate(StructLikeWrapperSizeEstimator.java:26)
at
com.netease.arctic.utils.map.SimpleSpillableMap.put(SimpleSpillableMap.java:108)
at
com.netease.arctic.utils.map.StructLikeBaseMap.put(StructLikeBaseMap.java:47)
at
com.netease.arctic.io.reader.CombinedDeleteFilter.applyEqDeletes(CombinedDeleteFilter.java:283)
at
com.netease.arctic.io.reader.CombinedDeleteFilter.applyEqDeletes(CombinedDeleteFilter.java:310)
at
com.netease.arctic.io.reader.CombinedDeleteFilter.filter(CombinedDeleteFilter.java:201)
at
com.netease.arctic.io.reader.GenericCombinedIcebergDataReader.readData(GenericCombinedIcebergDataReader.java:124)
at
com.netease.arctic.optimizing.AbstractRewriteFilesExecutor.rewriterDataFiles(AbstractRewriteFilesExecutor.java:148)
at com.netease.arctic.table.TableMetaStore.call(TableMetaStore.java:234)
at
com.netease.arctic.table.TableMetaStore.lambda$doAs$0(TableMetaStore.java:209)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:360)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1876)
at com.netease.arctic.table.TableMetaStore.doAs(TableMetaStore.java:209)
at
com.netease.arctic.io.ArcticHadoopFileIO.doAs(ArcticHadoopFileIO.java:202)
at
com.netease.arctic.optimizing.AbstractRewriteFilesExecutor.execute(AbstractRewriteFilesExecutor.java:107)
at
com.netease.arctic.optimizing.AbstractRewriteFilesExecutor.execute(AbstractRewriteFilesExecutor.java:63)
at
com.netease.arctic.optimizer.common.OptimizerExecutor.executeTask(OptimizerExecutor.java:149)
at
com.netease.arctic.optimizer.flink.FlinkOptimizerExecutor.executeTask(FlinkOptimizerExecutor.java:70)
at
com.netease.arctic.optimizer.common.OptimizerExecutor.start(OptimizerExecutor.java:52)
at
com.netease.arctic.optimizer.flink.FlinkExecutor.lambda$open$0(FlinkExecutor.java:59)
at java.lang.Thread.run(Thread.java:750)
```
### Anything else
_No response_
### Are you willing to submit a PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's Code of Conduct
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