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Posted to notifications@shardingsphere.apache.org by "xqianwang (via GitHub)" <gi...@apache.org> on 2023/07/04 21:08:50 UTC
[GitHub] [shardingsphere] xqianwang opened a new issue, #26765: Shardingsphere proxy throws exception for class cast
xqianwang opened a new issue, #26765:
URL: https://github.com/apache/shardingsphere/issues/26765
## Bug Report
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### Which version of ShardingSphere did you use?
5.3.2
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
Application starts successfully
### Actual behavior
Unknown exception: class org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.AggregationProjectionSegment cannot be cast to class org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ColumnProjectionSegment (org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.AggregationProjectionSegment and org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ColumnProjectionSegment are in unnamed module of loader 'app')
### Reason analyze (If you can)
[ERROR] 2023-07-04 21:05:19.819 [ShardingSphere-Command-22] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.ClassCastException: class org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.AggregationProjectionSegment cannot be cast to class org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ColumnProjectionSegment (org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.AggregationProjectionSegment and org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ColumnProjectionSegment are in unnamed module of loader 'app')
at org.apache.shardingsphere.proxy.backend.mysql.handler.admin.executor.information.SelectInformationSchemataExecutor.lambda$getTheDefaultRowData$11(SelectInformationSchemataExecutor.java:128)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at java.base/java.util.LinkedList$LLSpliterator.forEachRemaining(LinkedList.java:1242)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
at org.apache.shardingsphere.proxy.backend.mysql.handler.admin.executor.information.SelectInformationSchemataExecutor.getTheDefaultRowData(SelectInformationSchemataExecutor.java:128)
at org.apache.shardingsphere.proxy.backend.mysql.handler.admin.executor.information.SelectInformationSchemataExecutor.fillSchemasWithoutDataSource(SelectInformationSchemataExecutor.java:113)
at org.apache.shardingsphere.proxy.backend.mysql.handler.admin.executor.information.SelectInformationSchemataExecutor.getDatabaseNames(SelectInformationSchemataExecutor.java:90)
at org.apache.shardingsphere.proxy.backend.handler.admin.executor.AbstractDatabaseMetaDataExecutor.execute(AbstractDatabaseMetaDataExecutor.java:74)
at org.apache.shardingsphere.proxy.backend.handler.admin.DatabaseAdminQueryBackendHandler.execute(DatabaseAdminQueryBackendHandler.java:56)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:92)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.doExecuteCommand(CommandExecutorTask.java:114)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:109)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:77)
at com.alibaba.ttl.TtlRunnable.run(TtlRunnable.java:60)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
Try use flywaydb run db migrations.
### Example codes for reproduce this issue (such as a github link).
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[GitHub] [shardingsphere] github-actions[bot] commented on issue #26765: Shardingsphere proxy throws exception for class cast
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #26765:
URL: https://github.com/apache/shardingsphere/issues/26765#issuecomment-1666195256
There hasn't been any activity on this issue recently, and in order to prioritize active issues, it will be marked as stale.
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Re: [I] Shardingsphere proxy throws exception for class cast [shardingsphere]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #26765:
URL: https://github.com/apache/shardingsphere/issues/26765#issuecomment-2347140041
There hasn't been any activity on this issue recently, and in order to prioritize active issues, it will be marked as stale.
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Re: [I] Shardingsphere proxy throws exception for class cast [shardingsphere]
Posted by "terrymanu (via GitHub)" <gi...@apache.org>.
terrymanu closed issue #26765: Shardingsphere proxy throws exception for class cast
URL: https://github.com/apache/shardingsphere/issues/26765
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Re: [I] Shardingsphere proxy throws exception for class cast [shardingsphere]
Posted by "sandynz (via GitHub)" <gi...@apache.org>.
sandynz commented on issue #26765:
URL: https://github.com/apache/shardingsphere/issues/26765#issuecomment-2317572624
Hi @xqianwang , could you try latest version? If there's still error, could you help to get which SQL cause the error? Thanks.
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