liudu2326526 commented on issue #6297:
URL: https://github.com/apache/hudi/issues/6297#issuecomment-1612608779
I also encountered this problem when reading hudi tables.I was able to run
it locally, but failed to run it on the cluster.
Caused by: java.lang.LinkageError: loader constraint violation: when
resolving method 'void
org.apache.flink.formats.parquet.vector.reader.BytesColumnReader.<init>(org.apache.parquet.column.ColumnDescriptor,
org.apache.parquet.column.page.PageReader)' the class loader
org.apache.flink.util.ChildFirstClassLoader @d1be487 of the current class,
org/apache/hudi/table/format/cow/ParquetSplitReaderUtil, and the class loader
'app' for the method's defining class,
org/apache/flink/formats/parquet/vector/reader/BytesColumnReader, have
different Class objects for the type org/apache/parquet/column/ColumnDescriptor
used in the signature (org.apache.hudi.table.format.cow.ParquetSplitReaderUtil
is in unnamed module of loader org.apache.flink.util.ChildFirstClassLoader
@d1be487, parent loader 'app';
org.apache.flink.formats.parquet.vector.reader.BytesColumnReader is in unnamed
module of loader 'app')
Hudi version :0.13.1
Flink version :1.16.2
Storage (HDFS/S3/GCS..) : huawei cloud OBS
Running on Docker? (yes/no) :no
flink runs in standalon mode
`step 1:Write data
sTableEnv.executeSql("CREATE TABLE t2(\n"
+ " uuid VARCHAR(20) PRIMARY KEY NOT ENFORCED,\n"
+ " name VARCHAR(10),\n"
+ " age INT,\n"
+ " ts TIMESTAMP(3),\n"
+ " `partition` VARCHAR(20)\n"
+ ")\n"
+ "PARTITIONED BY (`partition`)\n" +
"with (\n" +
" 'connector' = 'hudi'\n" +
" ,'path' =
'obs://donson-mip-data-warehouse/dev/liudu/data/hudi_data'\n" +
// " ,'path' =
'file:///Users/macbook/Downloads/obsa-hdfs-flink-obs/flink-hudi/src/test/hudi_data'\n"
+
// " ,'table.type' = 'MERGE_ON_READ'\n" +
")");
// sTableEnv.executeSql("insert into t2 select * from sourceT");
sTableEnv.executeSql("INSERT INTO t2 VALUES\n"
+ " ('id1','Danny',23,TIMESTAMP '1970-01-01 00:00:01','par1'),\n"
+ " ('id2','Stephen',33,TIMESTAMP '1970-01-01 00:00:02','par1'),\n"
+ " ('id3','Julian',53,TIMESTAMP '1970-01-01 00:00:03','par2'),\n"
+ " ('id4','Fabian',31,TIMESTAMP '1970-01-01 00:00:04','par2'),\n"
+ " ('id5','Sophia',18,TIMESTAMP '1970-01-01 00:00:05','par3'),\n"
+ " ('id6','Emma',20,TIMESTAMP '1970-01-01 00:00:06','par3'),\n"
+ " ('id7','Bob',44,TIMESTAMP '1970-01-01 00:00:07','par4'),\n"
+ " ('id8','Han',56,TIMESTAMP '1970-01-01 00:00:08','par4');");
step 2:Read data
sTableEnv.executeSql("CREATE TABLE t2(\n"
+ " uuid VARCHAR(20) PRIMARY KEY NOT ENFORCED,\n"
+ " name VARCHAR(10),\n"
+ " age INT,\n"
+ " ts TIMESTAMP(3),\n"
+ " `partition` VARCHAR(20)\n"
+ ")\n"
+ "PARTITIONED BY (`partition`)\n" +
"with (\n" +
" 'connector' = 'hudi'\n" +
" ,'path' =
'obs://donson-mip-data-warehouse/dev/liudu/data/hudi_data'\n" +
// " ,'path' =
'file:///Users/macbook/Downloads/obsa-hdfs-flink-obs/flink-hudi/src/test/hudi_data'\n"
+
// " ,'table.type' = 'MERGE_ON_READ'\n" +
")");
sTableEnv.executeSql("select * from t2 ").print();
`
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