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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/05/27 04:11:00 UTC
[GitHub] [shardingsphere] zjcnb opened a new issue, #17994: NPE occurred when use db-discovery `MySQL.NORMAL_REPLICATION`
zjcnb opened a new issue, #17994:
URL: https://github.com/apache/shardingsphere/issues/17994
### Which version of ShardingSphere did you use?
`master`
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
`ShardingSphere-Proxy`
```
Exception in thread "main" java.lang.NullPointerException
at org.apache.shardingsphere.dbdiscovery.rule.DatabaseDiscoveryDataSourceRule.lambda$getReplicaDataSourceNames$0(DatabaseDiscoveryDataSourceRule.java:73)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at org.apache.shardingsphere.dbdiscovery.rule.DatabaseDiscoveryDataSourceRule.getReplicaDataSourceNames(DatabaseDiscoveryDataSourceRule.java:73)
at org.apache.shardingsphere.dbdiscovery.aware.DatabaseDiscoveryDynamicDataSourceStrategy.getReplicaDataSourceNames(DatabaseDiscoveryDynamicDataSourceStrategy.java:45)
at org.apache.shardingsphere.readwritesplitting.strategy.type.DynamicReadwriteSplittingStrategy.getAllDataSources(DynamicReadwriteSplittingStrategy.java:55)
at org.apache.shardingsphere.readwritesplitting.rule.ReadwriteSplittingRule.getDataSourceMapper(ReadwriteSplittingRule.java:104)
at org.apache.shardingsphere.singletable.rule.SingleTableRule.getAggregateDataSourceMap(SingleTableRule.java:87)
at org.apache.shardingsphere.singletable.rule.SingleTableRule.getAggregateDataSourceMap(SingleTableRule.java:79)
at org.apache.shardingsphere.singletable.rule.SingleTableRule.<init>(SingleTableRule.java:68)
at org.apache.shardingsphere.singletable.rule.builder.SingleTableRuleBuilder.build(SingleTableRuleBuilder.java:40)
at org.apache.shardingsphere.singletable.rule.builder.SingleTableRuleBuilder.build(SingleTableRuleBuilder.java:35)
at org.apache.shardingsphere.infra.rule.builder.schema.DatabaseRulesBuilder.build(DatabaseRulesBuilder.java:56)
at org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase.create(ShardingSphereDatabase.java:73)
at org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder.getGenericDatabaseMap(MetaDataContextsBuilder.java:79)
at org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder.getDatabaseMap(MetaDataContextsBuilder.java:69)
at org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder.build(MetaDataContextsBuilder.java:61)
at org.apache.shardingsphere.mode.manager.cluster.ClusterContextManagerBuilder.build(ClusterContextManagerBuilder.java:72)
at org.apache.shardingsphere.proxy.initializer.BootstrapInitializer.createContextManager(BootstrapInitializer.java:70)
at org.apache.shardingsphere.proxy.initializer.BootstrapInitializer.init(BootstrapInitializer.java:55)
at org.apache.shardingsphere.proxy.Bootstrap.main(Bootstrap.java:50)
Disconnected from the target VM, address: '127.0.0.1:53620', transport: 'socket'
```
<img width="1299" alt="image" src="https://user-images.githubusercontent.com/33742097/170627456-d3e19daf-7a0d-43d7-8f83-01576d60c6d6.png">
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[GitHub] [shardingsphere] terrymanu closed issue #17994: NPE occurred when use db-discovery `MySQL.NORMAL_REPLICATION`
Posted by GitBox <gi...@apache.org>.
terrymanu closed issue #17994: NPE occurred when use db-discovery `MySQL.NORMAL_REPLICATION`
URL: https://github.com/apache/shardingsphere/issues/17994
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[GitHub] [shardingsphere] complone commented on issue #17994: NPE occurred when use db-discovery `MySQL.NORMAL_REPLICATION`
Posted by GitBox <gi...@apache.org>.
complone commented on issue #17994:
URL: https://github.com/apache/shardingsphere/issues/17994#issuecomment-1139274738
Can you provide relevant information about ```config-database-discovery.yaml```? There may be a problem with ```primaryDataSource``` parsing
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