Yohahaha opened a new issue, #7887:
URL: https://github.com/apache/incubator-gluten/issues/7887

   ### Description
   
   Seems we need set several environment variables to access HDFS file in 
GenericBenchmark, 
   ```
   /root/oap-velox/velox/external/hdfs/ArrowHdfsInternal.cpp:366: 
/opt/HADOOP_COMMON/lib/native/libhdfs.so
   Environment variable CLASSPATH not set!
   getJNIEnv: getGlobalJNIEnv failed
   E20241111 10:31:28.080675 33605 Exceptions.h:66] Line: 
/root/oap-velox/velox/exec/Driver.cpp:598, Function:operator(), Expression:  
Operator::getOutput failed for [operator: TableScan, plan node ID: 0]: string 
pointer is null, Source: RUNTIME, ErrorCode: INVALID_STATE
   I20241111 10:31:28.080758 33605 Task.cpp:1972] Terminating task 
Gluten_Stage_0_TID_0_VTID_0 with state Failed after running for 2ms
   I20241111 10:31:28.080828 33605 Task.cpp:1207] All drivers (1) finished for 
task Gluten_Stage_0_TID_0_VTID_0 after running for 2ms
   terminate called after throwing an instance of 
'facebook::velox::VeloxRuntimeError'
     what():  Exception: VeloxRuntimeError
   Error Source: RUNTIME
   Error Code: INVALID_STATE
   Reason: Operator::getOutput failed for [operator: TableScan, plan node ID: 
0]: string pointer is null
   Retriable: False
   Function: operator()
   ```
   
   @JkSelf @marin-ma would you help clarify the usage and update docs? thank 
you!


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