azexcy commented on issue #17912:
URL:
https://github.com/apache/shardingsphere/issues/17912#issuecomment-1165214566
I use openjdk:8 for test, the error log is different. follow this.
```
5:31:34.742 [epollEventLoopGroup-3-7] DEBUG
org.apache.shardingsphere.db.protocol.codec.PacketCodec - Read from client
b6550ffd :
+-------------------------------------------------+
| 0 1 2 3 4 5 6 7 8 9 a b c d e f |
+--------+-------------------------------------------------+----------------+
|00000000| 50 00 00 00 18 00 73 65 6c 65 63 74 20 76 65 72 |P.....select ver|
|00000010| 73 69 6f 6e 28 29 00 00 00 42 00 00 00 0c 00 00 |sion()...B......|
|00000020| 00 00 00 00 00 00 44 00 00 00 06 50 00 45 00 00 |......D....P.E..|
|00000030| 00 09 00 00 00 00 00 53 00 00 00 04 |.......S.... |
+--------+-------------------------------------------------+----------------+
05:31:34.743 [Connection-31-ThreadExecutor] DEBUG
org.apache.shardingsphere.proxy.frontend.opengauss.command.OpenGaussCommandExecutorFactory
- Execute packet type: PARSE_COMMAND, value:
PostgreSQLAggregatedCommandPacket(packets=[PostgreSQLComParsePacket(payload=org.apache.shardingsphere.db.protocol.postgresql.payload.PostgreSQLPacketPayload@9af783f,
statementId=, sql=select version()),
PostgreSQLComBindPacket(payload=org.apache.shardingsphere.db.protocol.postgresql.payload.PostgreSQLPacketPayload@2272ca21,
portal=, statementId=), PostgreSQLComDescribePacket(type=P, name=),
PostgreSQLComExecutePacket(portal=, maxRows=0), PostgreSQLComSyncPacket()],
containsBatchedStatements=false, firstBindIndex=1, lastExecuteIndex=3)
05:31:34.744 [Connection-31-ThreadExecutor] INFO ShardingSphere-SQL - Logic
SQL: select version()
05:31:34.744 [Connection-31-ThreadExecutor] INFO ShardingSphere-SQL -
SQLStatement: OpenGaussSelectStatement(limit=Optional.empty,
lock=Optional.empty, window=Optional.empty)
05:31:34.744 [epollEventLoopGroup-3-7] DEBUG
org.apache.shardingsphere.db.protocol.codec.PacketCodec - Write to client
b6550ffd :
+-------------------------------------------------+
| 0 1 2 3 4 5 6 7 8 9 a b c d e f |
+--------+-------------------------------------------------+----------------+
|00000000| 31 00 00 00 04 32 00 00 00 04 6e 00 00 00 04 43 |1....2....n....C|
|00000010| 00 00 00 0d 53 45 4c 45 43 54 20 30 00 5a 00 00 |....SELECT 0.Z..|
|00000020| 00 05 49 |..I |
+--------+-------------------------------------------------+----------------+
```
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