Donaldhan opened a new issue #2531:
URL: https://github.com/apache/rocketmq/issues/2531
# OS
window 10
# rocketmq version
4.6.0
# problem
start the broker fail;
# operate step
1. start namesrv;
2. star broker;
then get follow error log
```
2020-12-29 22:43:11 INFO main - load
C:\Users\Donald_Draper\store\config\subscriptionGroup.json OK
2020-12-29 22:43:11 INFO main - load
C:\Users\Donald_Draper\store\config\consumerFilter.json OK
2020-12-29 22:43:11 INFO main - Try to start service
thread:AllocateMappedFileService started:false lastThread:null
2020-12-29 22:43:11 ERROR main - load
C:\Users\Donald_Draper\store\config\delayOffset.json failed, and try to load
backup file
com.alibaba.fastjson.JSONException: syntax error, expect {, actual EOF, pos
38, fastjson-version 1.2.61
at
com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:489)
~[fastjson-1.2.61.jar:na]
at
com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.parseRest(JavaBeanDeserializer.java:1539)
~[fastjson-1.2.61.jar:na]
at
com.alibaba.fastjson.parser.deserializer.FastjsonASMDeserializer_7_DelayOffsetSerializeWrapper.deserialze(Unknown
Source) ~[na:na]
at
com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:284)
~[fastjson-1.2.61.jar:na]
at
com.alibaba.fastjson.parser.DefaultJSONParser.parseObject(DefaultJSONParser.java:682)
~[fastjson-1.2.61.jar:na]
at com.alibaba.fastjson.JSON.parseObject(JSON.java:383)
~[fastjson-1.2.61.jar:na]
at com.alibaba.fastjson.JSON.parseObject(JSON.java:287)
~[fastjson-1.2.61.jar:na]
at com.alibaba.fastjson.JSON.parseObject(JSON.java:560)
~[fastjson-1.2.61.jar:na]
at
org.apache.rocketmq.remoting.protocol.RemotingSerializable.fromJson(RemotingSerializable.java:43)
~[rocketmq-remoting-4.6.0.jar:4.6.0]
at
org.apache.rocketmq.store.schedule.ScheduleMessageService.decode(ScheduleMessageService.java:179)
[rocketmq-store-4.6.0.jar:4.6.0]
at org.apache.rocketmq.common.ConfigManager.load(ConfigManager.java:38)
~[rocketmq-common-4.6.0.jar:4.6.0]
at
org.apache.rocketmq.store.schedule.ScheduleMessageService.load(ScheduleMessageService.java:164)
[rocketmq-store-4.6.0.jar:4.6.0]
at
org.apache.rocketmq.store.DefaultMessageStore.load(DefaultMessageStore.java:184)
[rocketmq-store-4.6.0.jar:4.6.0]
at
org.apache.rocketmq.broker.BrokerController.initialize(BrokerController.java:261)
[rocketmq-broker-4.6.0.jar:4.6.0]
at
org.apache.rocketmq.broker.BrokerStartup.createBrokerController(BrokerStartup.java:222)
[rocketmq-broker-4.6.0.jar:4.6.0]
at org.apache.rocketmq.broker.BrokerStartup.main(BrokerStartup.java:58)
[rocketmq-broker-4.6.0.jar:4.6.0]
2020-12-29 22:43:11 ERROR main - load
C:\Users\Donald_Draper\store\config\delayOffset.json Failed
```
when i open the file (C:\Users\Donald_Draper\store\config\delayOffset.json),
is blank;
empty file , while deserializable error???
then delete the file . repeate start namesrv and broker, all is normal.
what's the reason?
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