为提高效率，提问时请提供以下信息，问题描述清晰可优先响应。
【DM版本】:8
【操作系统】：linux
【CPU】:
【问题描述】*：mybatis-plus，saveBatch方法，报错Caused by: java.sql.BatchUpdateException: Communication error。

Caused by: java.sql.BatchUpdateException: Communication error

at dm.jdbc.driver.DBError.throwBatchUpdateException(DBError.java:652)

at dm.jdbc.driver.DmdbPreparedStatement.executeBatchByRow(DmdbPreparedStatement.java:281)

at dm.jdbc.driver.DmdbPreparedStatement.do_executeLargeBatch(DmdbPreparedStatement.java:400)

at dm.jdbc.driver.DmdbPreparedStatement.do_executeBatch(DmdbPreparedStatement.java:356)

at dm.jdbc.driver.DmdbPreparedStatement.executeBatch(DmdbPreparedStatement.java:1312)

at com.alibaba.druid.filter.FilterChainImpl.statement_executeBatch(FilterChainImpl.java:3101)

at com.alibaba.druid.filter.FilterAdapter.statement_executeBatch(FilterAdapter.java:2506)

at com.alibaba.druid.filter.FilterEventAdapter.statement_executeBatch(FilterEventAdapter.java:273)

at com.alibaba.druid.filter.FilterChainImpl.statement_executeBatch(FilterChainImpl.java:3099)

at com.alibaba.druid.proxy.jdbc.StatementProxyImpl.executeBatch(StatementProxyImpl.java:196)

at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeBatch(DruidPooledPreparedStatement.java:551)

at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:78)

at com.sun.proxy.$Proxy209.executeBatch(Unknown Source)

at org.apache.ibatis.executor.BatchExecutor.doFlushStatements(BatchExecutor.java:123)

at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:129)

at org.apache.ibatis.executor.BaseExecutor.flushStatements(BaseExecutor.java:122)

at org.apache.ibatis.executor.CachingExecutor.flushStatements(CachingExecutor.java:114)

at sun.reflect.GeneratedMethodAccessor111.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:64)

at com.sun.proxy.$Proxy206.flushStatements(Unknown Source)

at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:249)

at com.baomidou.mybatisplus.extension.toolkit.SqlHelper.lambda$executeBatch$1(SqlHelper.java:224)

at com.baomidou.mybatisplus.extension.toolkit.SqlHelper.executeBatch(SqlHelper.java:182)

... 34 common frames omitted