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alibaba / otter

阿里巴巴分布式数据库同步系统(解决中美异地机房)
Apache License 2.0
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Channel启动后，报空指针异常：NullPointerException #866

Open lang-zai opened 4 years ago

lang-zai commented 4 years ago

pid:3 nid:1 exception:setl:com.google.common.collect.ComputationException: java.lang.NullPointerException at com.google.common.collect.MapMaker$ComputingMapAdapter.get(MapMaker.java:889) at com.alibaba.otter.canal.server.embedded.CanalServerWithEmbedded.start(CanalServerWithEmbedded.java:137) at com.alibaba.otter.node.etl.select.selector.canal.CanalEmbedSelector.start(CanalEmbedSelector.java:212) at com.alibaba.otter.node.etl.select.SelectTask.startup(SelectTask.java:170) at com.alibaba.otter.node.etl.select.SelectTask.run(SelectTask.java:126) Caused by: java.lang.NullPointerException at com.alibaba.otter.canal.instance.manager.CanalInstanceWithManager.doInitEventParser(CanalInstanceWithManager.java:337) at com.alibaba.otter.canal.instance.manager.CanalInstanceWithManager.initEventParser(CanalInstanceWithManager.java:261) at com.alibaba.otter.canal.instance.manager.CanalInstanceWithManager.(CanalInstanceWithManager.java:93) at com.alibaba.otter.node.etl.select.selector.canal.CanalEmbedSelector$1$1.(CanalEmbedSelector.java:145) at com.alibaba.otter.node.etl.select.selector.canal.CanalEmbedSelector$1.generate(CanalEmbedSelector.java:145) at com.alibaba.otter.canal.server.embedded.CanalServerWithEmbedded$1.apply(CanalServerWithEmbedded.java:85) at com.alibaba.otter.canal.server.embedded.CanalServerWithEmbedded$1.apply(CanalServerWithEmbedded.java:82) at com.google.common.collect.ComputingConcurrentHashMap$ComputingValueReference.compute(ComputingConcurrentHashMap.java:356) at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.compute(ComputingConcurrentHashMap.java:182) at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.getOrCompute(ComputingConcurrentHashMap.java:151) at com.google.common.collect.ComputingConcurrentHashMap.getOrCompute(ComputingConcurrentHashMap.java:67) at com.google.common.collect.MapMaker$ComputingMapAdapter.get(MapMaker.java:885) ... 4 more

calwang414 commented 4 years ago

同样的问题，manager启动时报空指针错误

kuweilong commented 4 years ago

我也遇到同样的问题，怎么解决啊？

theskyzero commented 4 years ago

我也遇到同样的问题，怎么解决啊？

你们配canal了吗，这里的空指针报错，看上去是canalserver没有，是不是canal配置有问题或者权限有问题，可以检查下node机器的日志看看呢

kuweilong commented 4 years ago

是manager问题，替换了一个manager不报这个错误了