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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/10/24 09:18:02 UTC
[GitHub] [shardingsphere] MaricoHan opened a new issue, #21720: NullPointerException
MaricoHan opened a new issue, #21720:
URL: https://github.com/apache/shardingsphere/issues/21720
## Bug Report
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### Which version of ShardingSphere did you use?
docker image-5.2.1
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
select successfully!
```sql
SELECT * FROM INFORMATION_SCHEMA.TABLES;
```
### Actual behavior
```java
[ERROR] 2022-10-24 09:14:34.110 [Connection-1-ThreadExecutor] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: Cannot invoke "org.apache.shardingsphere.infra.federation.optimizer.context.parser.OptimizerParserContext.getDialectProps()" because the return value of "java.util.Map.get(Object)" is null
at org.apache.shardingsphere.infra.federation.executor.original.OriginalFederationExecutor.createConnection(OriginalFederationExecutor.java:92)
at org.apache.shardingsphere.infra.federation.executor.original.OriginalFederationExecutor.executeQuery(OriginalFederationExecutor.java:83)
at org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.doExecuteFederation(JDBCDatabaseCommunicationEngine.java:165)
at org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.execute(JDBCDatabaseCommunicationEngine.java:123)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:94)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:110)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:77)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
```
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
### Example codes for reproduce this issue (such as a github link).
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[GitHub] [shardingsphere] mzzsfy commented on issue #21720: NullPointerException occur when select schema infomation
Posted by GitBox <gi...@apache.org>.
mzzsfy commented on issue #21720:
URL: https://github.com/apache/shardingsphere/issues/21720#issuecomment-1294674968
maybe this can help you
https://github.com/apache/shardingsphere/issues/21562
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[GitHub] [shardingsphere] TeslaCN commented on issue #21720: NullPointerException occur when select schema infomation
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #21720:
URL: https://github.com/apache/shardingsphere/issues/21720#issuecomment-1365586586
Duplicate with https://github.com/apache/shardingsphere/issues/21562
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[GitHub] [shardingsphere] TeslaCN commented on issue #21720: NullPointerException occur when select schema infomation
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #21720:
URL: https://github.com/apache/shardingsphere/issues/21720#issuecomment-1290033103
`information_schema` is not fully supported for now.
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[GitHub] [shardingsphere] TeslaCN closed issue #21720: NullPointerException occur when select schema infomation
Posted by GitBox <gi...@apache.org>.
TeslaCN closed issue #21720: NullPointerException occur when select schema infomation
URL: https://github.com/apache/shardingsphere/issues/21720
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