xizixuejie / canal-spring Goto Github PK
View Code? Open in Web Editor NEW便于使用的canal-spring-boot-starter客户端
License: Apache License 2.0
便于使用的canal-spring-boot-starter客户端
License: Apache License 2.0
请问
如果实体类中的属性没有在 io.xzxj.canal.core.util.StringConvertUtil#convertType
方法中定义,会抛出异常
实体类属性
@Data
@TableName("t_test")
public class TestEntity {
private Long id;
private String name;
@TableField("f_age")
private Integer age;
@TableField("f_gender")
private Integer gender;
private byte[] annex;
}
异常信息
java.lang.RuntimeException: parse event has an error , data:[{f_gender=3, name=3, id=47, f_age=3, annex=ab}]
at io.xzxj.canal.core.handler.AbstractFlatMessageHandler.handleMessage(AbstractFlatMessageHandler.java:60) ~[classes/:na]
at io.xzxj.canal.core.handler.impl.AsyncFlatMessageHandlerImpl.lambda$handleMessage$0(AsyncFlatMessageHandlerImpl.java:30) ~[classes/:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_341]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_341]
at java.lang.Thread.run(Thread.java:750) ~[na:1.8.0_341]
Caused by: java.lang.IllegalArgumentException: Can not set [B field io.xzxj.canal.example.entity.TestEntity.annex to null value
at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167) ~[na:1.8.0_341]
at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171) ~[na:1.8.0_341]
at sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:81) ~[na:1.8.0_341]
at java.lang.reflect.Field.set(Field.java:764) ~[na:1.8.0_341]
at io.xzxj.canal.core.util.TableFieldUtil.setFieldValue(TableFieldUtil.java:98) ~[classes/:na]
at io.xzxj.canal.core.factory.MapConvertFactory.newInstance(MapConvertFactory.java:26) ~[classes/:na]
at io.xzxj.canal.core.factory.MapConvertFactory.newInstance(MapConvertFactory.java:13) ~[classes/:na]
at io.xzxj.canal.core.factory.AbstractConvertFactory.newInstance(AbstractConvertFactory.java:22) ~[classes/:na]
at io.xzxj.canal.core.handler.impl.MapRowDataHandlerImpl.handleRowData(MapRowDataHandlerImpl.java:40) ~[classes/:na]
at io.xzxj.canal.core.handler.impl.MapRowDataHandlerImpl.handleRowData(MapRowDataHandlerImpl.java:17) ~[classes/:na]
at io.xzxj.canal.core.handler.AbstractFlatMessageHandler.handleMessage(AbstractFlatMessageHandler.java:58) ~[classes/:na]
... 4 common frames omitted
使用kafka 模式控制台报错canal 消费异常 回滚消息
2023-11-07 18:06:27.474 ERROR 33704 --- [l-client-thread] i.x.canal.core.client.KafkaCanalClient : canal 消费异常 回滚消息
com.alibaba.fastjson2.JSONException: error, offset 1, char �
at com.alibaba.fastjson2.JSONReaderUTF16.skipValue(JSONReaderUTF16.java:1585) ~[fastjson2-2.0.4.jar:na]
at com.alibaba.fastjson2.reader.ObjectReaderBean.processExtra(ObjectReaderBean.java:49) ~[fastjson2-2.0.4.jar:na]
at com.alibaba.fastjson2.reader.ObjectReaderBean.readObject(ObjectReaderBean.java:167) ~[fastjson2-2.0.4.jar:na]
at com.alibaba.fastjson2.JSON.parseObject(JSON.java:258) ~[fastjson2-2.0.4.jar:na]
at com.alibaba.otter.canal.client.kafka.KafkaCanalConnector.getFlatListWithoutAck(KafkaCanalConnector.java:233) ~[canal.client-1.1.6.jar:na]
at io.xzxj.canal.core.client.KafkaCanalClient.handleListening(KafkaCanalClient.java:31) ~[canal-client-core-0.0.7.jar:na]
at java.lang.Thread.run(Thread.java:750) ~[na:1.8.0_382]
打断点跟踪了一下,是在 getFlatListWithoutAck 这个方法里的 JSON.parseObject 报错,
我看 传给JSON.parseObject 好像是乱码
消费异常怎么搞
6
求求求求求求求求求求求求求求求求求求求求求求求求求求
是这样的,现在canal是可以正常监听到多个表的变动,并且成功推送到了kafka里面。然后程序里定义的多个表的Listener,只有一个表的Listener可以正常接收到kafka的数据,在下甚是困惑,望大佬能答疑解惑!
Listener_1的配置:
@component
@CanalListener(schemaName = {"db_a" ,"db_b" ,"db_c"}, tableName = "base_special_topic")
public class CanalTopicListener implements EntryListener {
增删改查的方法......
}
Listener_2的配置:
@component
@CanalListener(schemaName = {"db_a" ,"db_b" ,"db_c"}, tableName = "base_subject")
public class CanalSubjectListener implements EntryListener {
增删改查的方法...
}
Listener_3的配置:
@component
@CanalListener(schemaName = {"db_a" ,"db_b" ,"db_c"}, tableName = "base_event")
public class CanalEventListener implements EntryListener {
增删改查的方法...
}
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.