showlist opened a new issue, #21661:
URL: https://github.com/apache/shardingsphere/issues/21661
org.apache.shardingsphere.infra.exception.ShardingSphereException:
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at
org.apache.shardingsphere.infra.metadata.schema.builder.loader.TableMetaDataLoaderEngine.loadByDialect(TableMetaDataLoaderEngine.java:98)
~[shardingsphere-infra-common-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.infra.metadata.schema.builder.loader.TableMetaDataLoaderEngine.load(TableMetaDataLoaderEngine.java:65)
~[shardingsphere-infra-common-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.singletable.metadata.SingleTableMetaDataBuilder.load(SingleTableMetaDataBuilder.java:56)
[shardingsphere-single-table-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.singletable.metadata.SingleTableMetaDataBuilder.load(SingleTableMetaDataBuilder.java:43)
[shardingsphere-single-table-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.infra.metadata.schema.builder.TableMetaDataBuilder.load(TableMetaDataBuilder.java:64)
[shardingsphere-infra-common-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.infra.metadata.schema.loader.SchemaLoader.load(SchemaLoader.java:53)
[shardingsphere-infra-common-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder.addSchema(MetaDataContextsBuilder.java:78)
[shardingsphere-mode-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.mode.manager.memory.MemoryContextManagerBuilder.build(MemoryContextManagerBuilder.java:47)
[shardingsphere-memory-mode-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.driver.jdbc.core.datasource.ShardingSphereDataSource.createContextManager(ShardingSphereDataSource.java:81)
[shardingsphere-jdbc-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.driver.jdbc.core.datasource.ShardingSphereDataSource.<init>(ShardingSphereDataSource.java:64)
[shardingsphere-jdbc-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.driver.api.ShardingSphereDataSourceFactory.createDataSource(ShardingSphereDataSourceFactory.java:77)
[shardingsphere-jdbc-core-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration.shardingSphereDataSource(ShardingSphereAutoConfiguration.java:93)
[shardingsphere-jdbc-core-spring-boot-starter-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration$$EnhancerBySpringCGLIB$$b3038726.CGLIB$shardingSphereDataSource$1(<generated>)
[shardingsphere-jdbc-core-spring-boot-starter-5.1.0.jar:5.1.0]
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration$$EnhancerBySpringCGLIB$$b3038726$$FastClassBySpringCGLIB$$fedd46dc.invoke(<generated>)
[shardingsphere-jdbc-core-spring-boot-starter-5.1.0.jar:5.1.0]
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
[spring-core-5.3.19.jar:5.3.19]
报错，但是程序能正常执行sql？
`2022-10-20 21:06:39.609 INFO 33576 --- [ main]
org.quartz.impl.StdSchedulerFactory : Using default implementation for
ThreadExecutor
2022-10-20 21:06:39.620 INFO 33576 --- [ main]
org.quartz.core.SchedulerSignalerImpl : Initialized Scheduler Signaller of
type: class org.quartz.core.SchedulerSignalerImpl
2022-10-20 21:06:39.621 INFO 33576 --- [ main]
org.quartz.core.QuartzScheduler : Quartz Scheduler v.2.3.2 created.
2022-10-20 21:06:39.621 INFO 33576 --- [ main]
org.quartz.simpl.RAMJobStore : RAMJobStore initialized.
2022-10-20 21:06:39.622 INFO 33576 --- [ main]
org.quartz.core.QuartzScheduler : Scheduler meta-data: Quartz
Scheduler (v2.3.2) 'quartzScheduler' with instanceId 'NON_CLUSTERED'
Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
NOT STARTED.
Currently in standby mode.
Number of jobs executed: 0
Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support
persistence. and is not clustered.
2022-10-20 21:06:39.622 INFO 33576 --- [ main]
org.quartz.impl.StdSchedulerFactory : Quartz scheduler 'quartzScheduler'
initialized from an externally provided properties instance.
2022-10-20 21:06:39.622 INFO 33576 --- [ main]
org.quartz.impl.StdSchedulerFactory : Quartz scheduler version: 2.3.2
2022-10-20 21:06:39.622 INFO 33576 --- [ main]
org.quartz.core.QuartzScheduler : JobFactory set to:
org.springframework.scheduling.quartz.SpringBeanJobFactory@33684b87`
这一部分的作用是什么？
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