pan3793 commented on PR #53454:
URL: https://github.com/apache/spark/pull/53454#issuecomment-3652658015
cc @dbtsai @huaxingao, `com.ibm.db2:jcc` includes unshaded old lz4 classes,
which causes sql/hive/docker-it modules test failure after this patch
```
java.lang.NoSuchMethodError: 'net.jpountz.lz4.LZ4BlockInputStream$Builder
net.jpountz.lz4.LZ4BlockInputStream.newBuilder()'
at
org.apache.spark.io.LZ4CompressionCodec.compressedInputStream(CompressionCodec.scala:156)
...
```
I checked all versions available in Maven Central, all of them have the same
issue.
https://mvnrepository.com/artifact/com.ibm.db2/jcc
I don't find the public contact info of the IBM DB2 JDBC driver team, not
sure what's the next step, temporarily purge the dependency and disable DB2
tests? Or any better ideas?
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