1、decimal 字段异常
修改为
2、连接超时
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 1,068 milliseconds ago. The last packet sent successfully to the server was 1,068 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:520) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:700) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:639) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:987) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:666) at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:930) ... 18 common frames omitted Caused by: java.net.SocketException: Socket closed at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107) at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150) at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:514) ... 23 common frames omitted
3、doris修改表名
扫描二维码关注公众号,回复:
16489736 查看本文章
alter table dws_monthly_future_forecast rename dws_monthly_future_forecast_back;
4、内存超限制
SHOW VARIABLES LIKE "%mem_limit%";
MySQL [dorisonline]> SHOW VARIABLES LIKE "%mem_limit%";
+------------------------------------------+------------+
| Variable_name | Value |
+------------------------------------------+------------+
| broadcast_hashtable_mem_limit_percentage | 0.2 |
| exec_mem_limit | 2147483648 |
+------------------------------------------+------------+
2 rows in set (0.00 sec)
SET GLOBAL exec_mem_limit = 8589934592;
SET GLOBAL exec_mem_limit = 4294967296;
245 内存已不足
新增了247节点,重新建表 执行成功