moremind opened a new issue, #3822:
URL: https://github.com/apache/shenyu/issues/3822
### Is there an existing issue for this?
- [X] I have searched the existing issues
### Current Behavior
1.delete rule in shenyu admin
2.shenyu websocket sync occur npe
### Expected Behavior
no error
### Steps To Reproduce
1.delete rule in shenyu admin
2.shenyu websocket sync occur npe
### Environment
```markdown
ShenYu version(s):2.5.0
```
### Debug logs
2022-08-09 14:11:05 [WebSocketConnectReadThread-262] INFO
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
handleResult({"groupType":"RULE","eventType":"DELETE","data":[{"id":"1556813932145938432","name":"/http/test/**","selectorId":"1556813671167954944","matchMode":0,"sort":1,"enabled":true,"loged":true,"handle":"{\"requestVolumeThreshold\":\"5\",\"errorThresholdPercentage\":\"5\",\"sleepWindowInMilliseconds\":\"50000\",\"executionIsolationStrategy\":1,\"callBackUri\":\"\",\"groupKey\":\"\",\"commandKey\":\"\",\"maxConcurrentRequests\":\"0\"}","conditionDataList":[]}]})
2022-08-09 14:11:05 [WebSocketConnectReadThread-262] ERROR
org.java_websocket.drafts.Draft_6455 - Runtime exception during
onWebsocketMessage
java.lang.NullPointerException: null
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.removeCacheData(CommonPluginDataSubscriber.java:245)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.lambda$subscribeDataHandler$4(CommonPluginDataSubscriber.java:165)
at java.util.Optional.ifPresent(Optional.java:159)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.subscribeDataHandler(CommonPluginDataSubscriber.java:165)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.unRuleSubscribe(CommonPluginDataSubscriber.java:143)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.RuleDataHandler.doDelete(RuleDataHandler.java:54)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.AbstractDataHandler.handle(AbstractDataHandler.java:80)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.WebsocketDataHandler.executor(WebsocketDataHandler.java:59)
at
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient.handleResult(ShenyuWebsocketClient.java:161)
at
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient.onMessage(ShenyuWebsocketClient.java:112)
at
org.java_websocket.client.WebSocketClient.onWebsocketMessage(WebSocketClient.java:591)
at
org.java_websocket.drafts.Draft_6455.processFrameText(Draft_6455.java:885)
at
org.java_websocket.drafts.Draft_6455.processFrame(Draft_6455.java:819)
at org.java_websocket.WebSocketImpl.decodeFrames(WebSocketImpl.java:379)
at org.java_websocket.WebSocketImpl.decode(WebSocketImpl.java:216)
at
org.java_websocket.client.WebSocketClient.run(WebSocketClient.java:508)
at java.lang.Thread.run(Thread.java:750)
2022-08-09 14:11:05 [WebSocketConnectReadThread-262] ERROR
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
websocket server[ws://localhost:9095/websocket] is error.....
java.lang.NullPointerException: null
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.removeCacheData(CommonPluginDataSubscriber.java:245)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.lambda$subscribeDataHandler$4(CommonPluginDataSubscriber.java:165)
at java.util.Optional.ifPresent(Optional.java:159)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.subscribeDataHandler(CommonPluginDataSubscriber.java:165)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.unRuleSubscribe(CommonPluginDataSubscriber.java:143)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.RuleDataHandler.doDelete(RuleDataHandler.java:54)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.AbstractDataHandler.handle(AbstractDataHandler.java:80)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.WebsocketDataHandler.executor(WebsocketDataHandler.java:59)
at
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient.handleResult(ShenyuWebsocketClient.java:161)
at
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient.onMessage(ShenyuWebsocketClient.java:112)
at
org.java_websocket.client.WebSocketClient.onWebsocketMessage(WebSocketClient.java:591)
at
org.java_websocket.drafts.Draft_6455.processFrameText(Draft_6455.java:885)
at
org.java_websocket.drafts.Draft_6455.processFrame(Draft_6455.java:819)
at org.java_websocket.WebSocketImpl.decodeFrames(WebSocketImpl.java:379)
at org.java_websocket.WebSocketImpl.decode(WebSocketImpl.java:216)
at
org.java_websocket.client.WebSocketClient.run(WebSocketClient.java:508)
at java.lang.Thread.run(Thread.java:750)
2022-08-09 14:11:25 [WebSocketConnectReadThread-262] INFO
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
handleResult({"groupType":"RULE","eventType":"UPDATE","data":[{"id":"1556885846348533760","name":"/http/test/**","pluginName":"hystrix","selectorId":"1556813671167954944","matchMode":0,"sort":1,"enabled":true,"loged":true,"handle":"{\"requestVolumeThreshold\":\"5\",\"errorThresholdPercentage\":\"5\",\"sleepWindowInMilliseconds\":\"5000\",\"executionIsolationStrategy\":1,\"callBackUri\":\"\",\"groupKey\":\"\",\"commandKey\":\"\",\"maxConcurrentRequests\":\"5\"}","conditionDataList":[{"paramType":"uri","operator":"pathPatter","paramName":"/","paramValue":"/http/"}]}]})
### Anything else?
_No response_
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