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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/05/24 09:29:52 UTC
[GitHub] [shardingsphere] TeslaCN opened a new issue, #17909: NPE occurred when trying to getSaneResult
TeslaCN opened a new issue, #17909:
URL: https://github.com/apache/shardingsphere/issues/17909
## Bug Report
### Which version of ShardingSphere did you use?
master - 528214d4a07a0bd515843e63d30e580f40131144
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
No NPE occurred.
### Actual behavior
```
[ERROR] 2022-05-24 17:22:38.352 [ShardingSphere-Command-2] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: Cannot invoke "org.apache.shardingsphere.infra.database.type.DatabaseType.getType()" because "databaseType" is null
at org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.sane.SaneQueryResultEngineFactory.getInstance(SaneQueryResultEngineFactory.java:43)
at org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.callback.ProxyJDBCExecutorCallback.getSaneResult(ProxyJDBCExecutorCallback.java:105)
at org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:94)
at org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:66)
at org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.syncExecute(ExecutorEngine.java:135)
at org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.parallelExecute(ExecutorEngine.java:131)
at org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.execute(ExecutorEngine.java:116)
at org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutor.execute(JDBCExecutor.java:65)
at org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.ProxyJDBCExecutor.execute(ProxyJDBCExecutor.java:71)
at org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.useDriverToExecute(ProxySQLExecutor.java:164)
at org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.execute(ProxySQLExecutor.java:125)
at org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.execute(ProxySQLExecutor.java:119)
at org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.execute(JDBCDatabaseCommunicationEngine.java:139)
at org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.execute(JDBCDatabaseCommunicationEngine.java:72)
at org.apache.shardingsphere.proxy.backend.text.data.impl.SchemaAssignedDatabaseBackendHandler.execute(SchemaAssignedDatabaseBackendHandler.java:56)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:97)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:107)
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)
<img width="1680" alt="image" src="https://user-images.githubusercontent.com/20503072/169997971-c0e8d7b3-6ef9-4bcd-ba43-94d3c8bde695.png">
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
Any operations which makes database return error.
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[GitHub] [shardingsphere] zjcnb closed issue #17909: NPE occurred when trying to getSaneResult
Posted by GitBox <gi...@apache.org>.
zjcnb closed issue #17909: NPE occurred when trying to getSaneResult
URL: https://github.com/apache/shardingsphere/issues/17909
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[GitHub] [shardingsphere] strongduanmu commented on issue #17909: NPE occurred when trying to getSaneResult
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #17909:
URL: https://github.com/apache/shardingsphere/issues/17909#issuecomment-1143385061
I just reproduced the exception and I will try to fix it.
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[GitHub] [shardingsphere] TeslaCN commented on issue #17909: NPE occurred when trying to getSaneResult
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #17909:
URL: https://github.com/apache/shardingsphere/issues/17909#issuecomment-1140845577
<img width="1680" alt="image" src="https://user-images.githubusercontent.com/20503072/170948520-4b3f74be-6aa8-4ef2-935c-18d1bc83c838.png">
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