2023-12-06 13:23:38 [INFO] Load jdbc driver class: "com.oceanbase.jdbc.Driver" finished
2023-12-06 13:23:39 [INFO] Querying table metadata. This might take a while...
2023-12-06 13:23:40 [INFO] Generate 1 dump tasks finished. Total Elapsed: 4.223 ms
2023-12-06 13:23:40 [INFO] Start 3 schema dump threads for 1 dump tasks finished.
2023-12-06 13:23:40 [INFO] Return the latest compatible version: 4.2.0.0 -> 4.0.0.0
2023-12-06 13:23:40 [INFO] Dump create objects success. DbType: OBMYSQL Version: 4.2.0.0
2023-12-06 13:23:40 [INFO] ObMySql(4.2.0.0) is older than 4.0 ? false
2023-12-06 13:23:40 [INFO] Load meta/obmysql/obmysql14x.xml, meta/obmysql/obmysql22x.xml, meta/obmysql/obmysql2271.xml, meta/obmysql/obmysql3230.xml, meta/obmysql/obmysql40x.xml successed
2023-12-06 13:23:40 [INFO] Query 14 dependencies elapsed 182.6 ms
2023-12-06 13:23:44 [INFO] ----------	Finished Tasks: 0	Running Tasks: 1	Progress: 0.00%	----------
2023-12-06 13:23:49 [ERROR] SQL: SELECT
            C.CONSTRAINT_NAME AS CONSTRAINT_NAME,
            K.COLUMN_NAME AS COLUMN_NAME,
            K.ORDINAL_POSITION AS ORDINAL_POSITION,
            K.REFERENCED_TABLE_SCHEMA AS REFERENCED_TABLE_SCHEMA,
            K.REFERENCED_TABLE_NAME AS REFERENCED_TABLE_NAME,
            K.REFERENCED_COLUMN_NAME AS REFERENCED_COLUMN_NAME,
            K.POSITION_IN_UNIQUE_CONSTRAINT AS POSITION_IN_UNIQUE_CONSTRAINT,
            R.UPDATE_RULE AS UPDATE_RULE,
            R.DELETE_RULE AS DELETE_RULE
        FROM information_schema.TABLE_CONSTRAINTS AS C,
        information_schema.KEY_COLUMN_USAGE AS K,
        information_schema.REFERENTIAL_CONSTRAINTS AS R
        WHERE C.TABLE_SCHEMA=K.TABLE_SCHEMA AND C.TABLE_NAME=K.TABLE_NAME AND C.TABLE_NAME=R.TABLE_NAME
        AND R.CONSTRAINT_SCHEMA=K.REFERENCED_TABLE_SCHEMA AND R.REFERENCED_TABLE_NAME=K.REFERENCED_TABLE_NAME
        AND K.CONSTRAINT_NAME=C.CONSTRAINT_NAME AND R.CONSTRAINT_NAME=C.CONSTRAINT_NAME
        AND C.CONSTRAINT_TYPE='FOREIGN KEY' AND C.TABLE_SCHEMA=? AND C.TABLE_NAME=? java.sql.SQLTransientConnectionException: (conn=3221511903) No memory or reach tenant memory limit
	at com.oceanbase.jdbc.internal.util.exceptions.ExceptionFactory.createException(ExceptionFactory.java:128) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.util.exceptions.ExceptionFactory.create(ExceptionFactory.java:202) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.OceanBaseStatement.executeExceptionEpilogue(OceanBaseStatement.java:315) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.JDBC4ServerPreparedStatement.executeInternal(JDBC4ServerPreparedStatement.java:942) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.JDBC4ServerPreparedStatement.execute(JDBC4ServerPreparedStatement.java:910) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.JDBC4ServerPreparedStatement.executeQuery(JDBC4ServerPreparedStatement.java:856) ~[oceanbase-client-2.4.3.jar:?]
	at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:213) ~[druid-1.2.18.jar:?]
	at com.oceanbase.tools.loaddump.jdbc.JdbcExecutor.queryMap(JdbcExecutor.java:138) ~[ob-loader-dumper-4.2.5-RELEASE.jar:?]
	at com.oceanbase.tools.loaddump.jdbc.JdbcTemplate.queryMap(JdbcTemplate.java:149) ~[ob-loader-dumper-4.2.5-RELEASE.jar:?]
	at com.oceanbase.tools.loaddump.schema.accessor.ObMySqlMetadataAccessor.queryForeignMapping(ObMySqlMetadataAccessor.java:1598) ~[ob-loader-dumper-4.2.5-RELEASE.jar:?]
	at com.oceanbase.tools.loaddump.schema.accessor.ObMySqlMetadataAccessor.lambda$queryTableMapping$12(ObMySqlMetadataAccessor.java:617) ~[ob-loader-dumper-4.2.5-RELEASE.jar:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_382]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_382]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_382]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_382]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_382]
	at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_382]
Caused by: com.oceanbase.jdbc.internal.util.exceptions.OceanBaseSqlException: No memory or reach tenant memory limit
	at com.oceanbase.jdbc.internal.util.exceptions.OceanBaseSqlException.of(OceanBaseSqlException.java:79) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.exceptionWithQuery(AbstractQueryProtocol.java:199) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.exceptionWithQuery(AbstractQueryProtocol.java:180) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.executePreparedQuery(AbstractQueryProtocol.java:504) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.JDBC4ServerPreparedStatement.executeInternal(JDBC4ServerPreparedStatement.java:931) ~[oceanbase-client-2.4.3.jar:?]
	... 13 more
Caused by: java.sql.SQLException: No memory or reach tenant memory limit
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.readErrorPacket(AbstractQueryProtocol.java:2192) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.readPacket(AbstractQueryProtocol.java:2057) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.getResult(AbstractQueryProtocol.java:1951) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.internal.protocol.AbstractQueryProtocol.executePreparedQuery(AbstractQueryProtocol.java:501) ~[oceanbase-client-2.4.3.jar:?]
	at com.oceanbase.jdbc.JDBC4ServerPreparedStatement.executeInternal(JDBC4ServerPreparedStatement.java:931) ~[oceanbase-client-2.4.3.jar:?]
	... 13 more