sfc-gh-sozer opened a new issue, #12277:
URL: https://github.com/apache/iceberg/issues/12277
### Apache Iceberg version
1.8.0 (latest release)
### Query engine
Spark
### Please describe the bug 🐞
I appreciate the new rewriteTablePath method to support migrating metadata,
but I have problems with using local "file://..." references.
My metadata currently references files using elements like
`"location":"file://iceberg_catalog/metrics.db/data_points","table-uuid":..."`
to represent a relative path from a project root.
Attempting
```
String oldPrefix = "file://iceberg_catalog/metrics.db/";
String newPrefix = "s3://<bucket_path>";
Table table =
TABLES.load("iceberg_catalog/metrics.db/data_points/metadata/00003-fb8660aa-1565-4241-b648-10cbf53a8208.metadata.json");
actions()
.rewriteTablePath(table)
.rewriteLocationPrefix(oldPrefix, newPrefix)
.execute();
```
The Table reference is successful but the metadata rewrite fails. I get
error logged below:
```
{"ts":"2025-02-14T22:43:44.603Z","level":"INFO","msg":"Table location
loaded: file://iceberg_catalog/metrics.db/data_points","logger":"HadoopTables"}
Exception in thread "main" java.lang.IllegalArgumentException: Path
iceberg_catalog/metrics.db/data_points/metadata/00003-fb8660aa-1565-4241-b648-10cbf53a8208.metadata.json
does not start with file://iceberg_catalog/metrics.db/
at
org.apache.iceberg.RewriteTablePathUtil.relativize(RewriteTablePathUtil.java:582)
at
org.apache.iceberg.RewriteTablePathUtil.newPath(RewriteTablePathUtil.java:559)
```
I suspect the problem is with the use of relative path or nonstandard
`file://` rather than `file:///` but since this permeates the metadata I'm
stuck. ( If I change the TABLES.load argument to begin `file://iceberg...` I
get an error `expecting file:///..` )
### Willingness to contribute
- [ ] I can contribute a fix for this bug independently
- [ ] I would be willing to contribute a fix for this bug with guidance from
the Iceberg community
- [x] I cannot contribute a fix for this bug at this time
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