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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/06/21 04:32:16 UTC
[GitHub] [shardingsphere] strongduanmu opened a new issue, #18481: NullPointerException occurs when startup ShardingSphere proxy
strongduanmu opened a new issue, #18481:
URL: https://github.com/apache/shardingsphere/issues/18481
## Bug Report
### Which version of ShardingSphere did you use?
https://github.com/apache/shardingsphere/commit/1bdc967ec427744749ac085a51c7083f19fce55e
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
startup ShardingSphere proxy successfully.
### Actual behavior
```
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[ERROR] 2022-06-21 12:30:15.986 [Curator-SafeNotifyService-0] c.g.common.eventbus.EventBus.default - Exception thrown by subscriber method renew(org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.config.event.rule.RuleConfigurationsChangedEvent) on subscriber org.apache.shardingsphere.mode.manager.cluster.coordinator.ClusterContextManagerCoordinator@fd5689d when dispatching event: org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.config.event.rule.RuleConfigurationsChangedEvent@36f2c090
java.lang.NullPointerException: null
at org.apache.shardingsphere.mode.manager.ContextManager.buildChangedMetaDataContext(ContextManager.java:582)
at org.apache.shardingsphere.mode.manager.ContextManager.alterRuleConfiguration(ContextManager.java:307)
at org.apache.shardingsphere.mode.manager.cluster.coordinator.ClusterContextManagerCoordinator.renew(ClusterContextManagerCoordinator.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:87)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:144)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:72)
at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:30)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:67)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:108)
at com.google.common.eventbus.EventBus.post(EventBus.java:212)
at java.util.Optional.ifPresent(Optional.java:159)
at org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.GovernanceWatcherFactory.lambda$watch$0(GovernanceWatcherFactory.java:55)
at org.apache.shardingsphere.mode.repository.cluster.zookeeper.CuratorZookeeperRepository.lambda$watch$0(CuratorZookeeperRepository.java:240)
at org.apache.curator.framework.recipes.cache.TreeCacheListenerWrapper.sendEvent(TreeCacheListenerWrapper.java:71)
at org.apache.curator.framework.recipes.cache.TreeCacheListenerWrapper.event(TreeCacheListenerWrapper.java:42)
at org.apache.curator.framework.recipes.cache.CuratorCacheListenerBuilderImpl$2.lambda$event$0(CuratorCacheListenerBuilderImpl.java:149)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at org.apache.curator.framework.recipes.cache.CuratorCacheListenerBuilderImpl$2.event(CuratorCacheListenerBuilderImpl.java:149)
at org.apache.curator.framework.recipes.cache.CuratorCacheImpl.lambda$putStorage$7(CuratorCacheImpl.java:279)
at org.apache.curator.framework.listen.MappingListenerManager.lambda$forEach$0(MappingListenerManager.java:92)
at org.apache.curator.framework.listen.MappingListenerManager.forEach(MappingListenerManager.java:89)
at org.apache.curator.framework.listen.StandardListenerManager.forEach(StandardListenerManager.java:89)
at org.apache.curator.framework.recipes.cache.CuratorCacheImpl.lambda$callListeners$10(CuratorCacheImpl.java:293)
at java.util.concurrent.CompletableFuture$AsyncRun.run$$$capture(CompletableFuture.java:1640)
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java)
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)
[ERROR] 2022-06-21 12:30:15.990 [Curator-SafeNotifyService-0] c.g.common.eventbus.EventBus.default - Exception thrown by subscriber method renew(org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.config.event.datasource.DataSourceChangedEvent) on subscriber org.apache.shardingsphere.mode.manager.cluster.coordinator.ClusterContextManagerCoordinator@fd5689d when dispatching event: org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.config.event.datasource.DataSourceChangedEvent@1e8c5086
java.lang.NullPointerException: null
at org.apache.shardingsphere.mode.manager.ContextManager.getDeletedDataSources(ContextManager.java:502)
at org.apache.shardingsphere.mode.manager.ContextManager.buildChangedMetaDataContextWithChangedDataSource(ContextManager.java:591)
at org.apache.shardingsphere.mode.manager.ContextManager.alterDataSourceConfiguration(ContextManager.java:326)
at org.apache.shardingsphere.mode.manager.cluster.coordinator.ClusterContextManagerCoordinator.renew(ClusterContextManagerCoordinator.java:170)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:87)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:144)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:72)
at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:30)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:67)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:108)
at com.google.common.eventbus.EventBus.post(EventBus.java:212)
at java.util.Optional.ifPresent(Optional.java:159)
at org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.GovernanceWatcherFactory.lambda$watch$0(GovernanceWatcherFactory.java:55)
at org.apache.shardingsphere.mode.repository.cluster.zookeeper.CuratorZookeeperRepository.lambda$watch$0(CuratorZookeeperRepository.java:240)
at org.apache.curator.framework.recipes.cache.TreeCacheListenerWrapper.sendEvent(TreeCacheListenerWrapper.java:71)
at org.apache.curator.framework.recipes.cache.TreeCacheListenerWrapper.event(TreeCacheListenerWrapper.java:42)
at org.apache.curator.framework.recipes.cache.CuratorCacheListenerBuilderImpl$2.lambda$event$0(CuratorCacheListenerBuilderImpl.java:149)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at org.apache.curator.framework.recipes.cache.CuratorCacheListenerBuilderImpl$2.event(CuratorCacheListenerBuilderImpl.java:149)
at org.apache.curator.framework.recipes.cache.CuratorCacheImpl.lambda$putStorage$7(CuratorCacheImpl.java:279)
at org.apache.curator.framework.listen.MappingListenerManager.lambda$forEach$0(MappingListenerManager.java:92)
at org.apache.curator.framework.listen.MappingListenerManager.forEach(MappingListenerManager.java:89)
at org.apache.curator.framework.listen.StandardListenerManager.forEach(StandardListenerManager.java:89)
at org.apache.curator.framework.recipes.cache.CuratorCacheImpl.lambda$callListeners$10(CuratorCacheImpl.java:293)
at java.util.concurrent.CompletableFuture$AsyncRun.run$$$capture(CompletableFuture.java:1640)
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
[INFO ] 2022-06-21 12:30:20.235 [_finished_check_Worker-1] o.a.c.f.imps.CuratorFrameworkImpl - Starting
[INFO ] 2022-06-21 12:30:20.236 [_finished_check_Worker-1] org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=localhost:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@22084dd5
[INFO ] 2022-06-21 12:30:20.236 [_finished_check_Worker-1] o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 1048575 Bytes
[INFO ] 2022-06-21 12:30:20.236 [_finished_check_Worker-1] org.apache.zookeeper.ClientCnxn - zookeeper.request.timeout value is 0. feature enabled=false
[INFO ] 2022-06-21 12:30:20.237 [_finished_check_Worker-1-SendThread(localhost:2181)] org.apache.zookeeper.ClientCnxn - Opening socket connection to server localhost/127.0.0.1:2181.
[INFO ] 2022-06-21 12:30:20.237 [_finished_check_Worker-1-SendThread(localhost:2181)] org.apache.zookeeper.ClientCnxn - SASL config status: Will not attempt to authenticate using SASL (unknown error)
[INFO ] 2022-06-21 12:30:20.237 [_finished_check_Worker-1] o.a.c.f.imps.CuratorFrameworkImpl - Default schema
[INFO ] 2022-06-21 12:30:20.237 [_finished_check_Worker-1-SendThread(localhost:2181)] org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /127.0.0.1:55340, server: localhost/127.0.0.1:2181
[INFO ] 2022-06-21 12:30:20.242 [_finished_check_Worker-1-SendThread(localhost:2181)] org.apache.zookeeper.ClientCnxn - Session establishment complete on server localhost/127.0.0.1:2181, session id = 0x1000000462a009f, negotiated timeout = 40000
[INFO ] 2022-06-21 12:30:20.243 [_finished_check_Worker-1-EventThread] o.a.c.f.state.ConnectionStateManager - State change: CONNECTED
[INFO ] 2022-06-21 12:30:20.246 [_finished_check_Worker-1-EventThread] o.a.c.framework.imps.EnsembleTracker - New config event received: {}
[INFO ] 2022-06-21 12:30:20.246 [_finished_check_Worker-1-EventThread] o.a.c.framework.imps.EnsembleTracker - New config event received: {}
```
### 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] strongduanmu closed issue #18481: NullPointerException occurs when startup ShardingSphere proxy
Posted by GitBox <gi...@apache.org>.
strongduanmu closed issue #18481: NullPointerException occurs when startup ShardingSphere proxy
URL: https://github.com/apache/shardingsphere/issues/18481
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