开发者社区> 问答> 正文

otter数据同步报错

otter做数据单向同步报错,异常信息如下: pid:7 nid:2 exception:canal:zhenai_crm_member:com.alibaba.otter.canal.parse.exception.CanalParseException: com.alibaba.otter.canal.parse.exception.CanalParseException: parse row data failed. Caused by: com.alibaba.otter.canal.parse.exception.CanalParseException: parse row data failed. Caused by: com.googlecode.aviator.exception.ExpressionRuntimeException: Execute expression error at com.googlecode.aviator.ClassExpression.execute(ClassExpression.java:59) at com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter.filter(AviaterRegexFilter.java:74) at com.alibaba.otter.canal.parse.inbound.mysql.dbsync.LogEventConvert.parseRowsEvent(LogEventConvert.java:322) at com.alibaba.otter.canal.parse.inbound.mysql.dbsync.LogEventConvert.parse(LogEventConvert.java:108) at com.alibaba.otter.canal.parse.inbound.mysql.dbsync.LogEventConvert.parse(LogEventConvert.java:62) at com.alibaba.otter.canal.parse.inbound.AbstractEventParser.parseAndProfilingIfNecessary(AbstractEventParser.java:326) at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3$1.sink(AbstractEventParser.java:176) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.dump(MysqlConnection.java:130) at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:209) at java.lang.Thread.run(Thread.java:745) Caused by: com.google.common.collect.ComputationException: com.alibaba.otter.canal.filter.exception.CanalFilterException: org.apache.oro.text.regex.MalformedPatternException: Expression is too large. at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.compute(ComputingConcurrentHashMap.java:167) at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.compute(ComputingConcurrentHashMap.java:116) at com.google.common.collect.ComputingConcurrentHashMap.apply(ComputingConcurrentHashMap.java:67) at com.google.common.collect.MapMaker$ComputingMapAdapter.get(MapMaker.java:623) at com.alibaba.otter.canal.filter.PatternUtils.getPattern(PatternUtils.java:41) at com.alibaba.otter.canal.filter.aviater.RegexFunction.call(RegexFunction.java:24) at Script_1502075147792_0.execute0(Unknown Source) at com.googlecode.aviator.ClassExpression.execute(ClassExpression.java:53) ... 9 more Caused by: com.alibaba.otter.canal.filter.exception.CanalFilterException: org.apache.oro.text.regex.MalformedPatternException: Expression is too large. Caused by: org.apache.oro.text.regex.MalformedPatternException: Expression is too large.

是映射关系配置错了么?有分表的情况

原提问者GitHub用户 dnfhujun

展开
收起
古拉古拉 2023-06-21 12:28:26 104 0
1 条回答
写回答
取消 提交回答
  • 这个问题找到了,是因为需要同步的分表的数量太大了,改成多个canal同步,每个canal同步一部分分表就可以了,建议是不是可以把可以同步的表的数量改大点. 或者同步的表使用正则来减少数量

    原回答者GitHub用户 dnfhujun

    2023-06-21 13:04:34
    赞同 展开评论 打赏
问答排行榜
最热
最新

相关电子书

更多
MaxCompute技术公开课第四季 之 如何将Kafka数据同步至MaxCompute 立即下载
低代码开发师(初级)实战教程 立即下载
阿里巴巴DevOps 最佳实践手册 立即下载