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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2019/06/20 09:16:39 UTC
[GitHub] [incubator-shardingsphere] mwylaoma edited a comment on issue
#2592: Sharding-Proxing change database error
mwylaoma edited a comment on issue #2592: Sharding-Proxing change database error
URL: https://github.com/apache/incubator-shardingsphere/issues/2592#issuecomment-503947197
Here is my log from a43eda710d353f7c34b6423e423b83f978dec4be :
```
[INFO ] 17:16:00.913 [ShardingSphere-Command-0] ShardingSphere-SQL - Rule Type: sharding
[INFO ] 17:16:00.913 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: SET NAMES utf8mb4
[INFO ] 17:16:00.913 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: SetStatement(super=DALStatement(super=AbstractSQLStatement(sqlSegments=[], tables=Tables(tables=[]), logicSQL=SET NAMES utf8mb4, parametersCount=0)))
[INFO ] 17:16:00.913 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: cloud_0 ::: SET NAMES utf8mb4
[INFO ] 17:16:00.960 [ShardingSphere-Command-2] ShardingSphere-SQL - Rule Type: sharding
[INFO ] 17:16:00.960 [ShardingSphere-Command-2] ShardingSphere-SQL - Logic SQL: SET PROFILING = 1
[INFO ] 17:16:00.960 [ShardingSphere-Command-2] ShardingSphere-SQL - SQLStatement: SetStatement(super=DALStatement(super=AbstractSQLStatement(sqlSegments=[], tables=Tables(tables=[]), logicSQL=SET PROFILING = 1, parametersCount=0)))
[INFO ] 17:16:00.960 [ShardingSphere-Command-2] ShardingSphere-SQL - Actual SQL: cloud_0 ::: SET PROFILING = 1
[INFO ] 17:16:00.981 [ShardingSphere-Command-3] ShardingSphere-SQL - Rule Type: sharding
[INFO ] 17:16:00.981 [ShardingSphere-Command-3] ShardingSphere-SQL - Logic SQL: SHOW STATUS
[INFO ] 17:16:00.981 [ShardingSphere-Command-3] ShardingSphere-SQL - SQLStatement: ShowOtherStatement(super=DALStatement(super=AbstractSQLStatement(sqlSegments=[], tables=Tables(tables=[]), logicSQL=SHOW STATUS, parametersCount=0)))
[INFO ] 17:16:00.981 [ShardingSphere-Command-3] ShardingSphere-SQL - Actual SQL: cloud_0 ::: SHOW STATUS
[INFO ] 17:16:01.036 [ShardingSphere-Command-4] ShardingSphere-SQL - Rule Type: sharding
[INFO ] 17:16:01.036 [ShardingSphere-Command-4] ShardingSphere-SQL - Logic SQL: SHOW STATUS
[INFO ] 17:16:01.036 [ShardingSphere-Command-4] ShardingSphere-SQL - SQLStatement: ShowOtherStatement(super=DALStatement(super=AbstractSQLStatement(sqlSegments=[], tables=Tables(tables=[]), logicSQL=SHOW STATUS, parametersCount=0)))
[INFO ] 17:16:01.036 [ShardingSphere-Command-4] ShardingSphere-SQL - Actual SQL: cloud_0 ::: SHOW STATUS
[ERROR] 17:16:01.068 [ShardingSphere-Command-5] o.a.s.s.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: null
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:964)
at java.util.concurrent.ConcurrentHashMap$KeySetView.contains(ConcurrentHashMap.java:4558)
at org.apache.shardingsphere.shardingproxy.backend.schema.LogicSchemas.schemaExists(LogicSchemas.java:138)
at org.apache.shardingsphere.shardingproxy.backend.text.admin.UseDatabaseBackendHandler.execute(UseDatabaseBackendHandler.java:51)
at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:72)
at org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:86)
at org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:66)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
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