JooKS-me opened a new issue #2176:
URL: https://github.com/apache/incubator-shenyu/issues/2176
### Is there an existing issue for this?
- [X] I have searched the existing issues
### Current Behavior
Add selector to websocket plugin, then throw JsonSyntaxException.
### Expected Behavior
No exception.
### Steps To Reproduce
1. start admin
2. start bootstrap
3. add selector for websocket plugin.
### Environment
```markdown
ShenYu version(s): latest in master
```
### Debug logs
in bootstarp:
```
2021-09-29 19:56:20 [main] INFO
org.apache.shenyu.bootstrap.ShenyuBootstrapApplication - Starting
ShenyuBootstrapApplication on JooKSdeMacBook-Pro.local with PID 990
(/Users/jooks/shenyu/shenyu-bootstrap/target/classes started by jooks in
/Users/jooks/shenyu)
2021-09-29 19:56:20 [main] INFO
org.apache.shenyu.bootstrap.ShenyuBootstrapApplication - The following profiles
are active: local
2021-09-29 19:56:21 [main] INFO
org.springframework.data.repository.config.RepositoryConfigurationDelegate -
Multiple Spring Data modules found, entering strict repository configuration
mode!
2021-09-29 19:56:21 [main] INFO
org.springframework.data.repository.config.RepositoryConfigurationDelegate -
Bootstrapping Spring Data Redis repositories in DEFAULT mode.
2021-09-29 19:56:21 [main] INFO
org.springframework.data.repository.config.RepositoryConfigurationDelegate -
Finished Spring Data repository scanning in 16ms. Found 0 Redis repository
interfaces.
2021-09-29 19:56:22 [main] INFO
org.springframework.boot.actuate.endpoint.web.EndpointLinksResolver - Exposing
2 endpoint(s) beneath base path '/actuator'
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[global] [org.apache.shenyu.plugin.global.GlobalPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[sign] [org.apache.shenyu.plugin.sign.SignPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[jwt] [org.apache.shenyu.plugin.jwt.JwtPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[waf] [org.apache.shenyu.plugin.waf.WafPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[rate_limiter] [org.apache.shenyu.plugin.ratelimiter.RateLimiterPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[param_mapping]
[org.apache.shenyu.plugin.param.mapping.ParamMappingPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[context_path] [org.apache.shenyu.plugin.context.path.ContextPathPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[rewrite] [org.apache.shenyu.plugin.rewrite.RewritePlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[redirect] [org.apache.shenyu.plugin.redirect.RedirectPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[hystrix] [org.apache.shenyu.plugin.hystrix.HystrixPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[sentinel] [org.apache.shenyu.plugin.sentinel.SentinelPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[resilience4j] [org.apache.shenyu.plugin.resilience4j.Resilience4JPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[logging] [org.apache.shenyu.plugin.logging.LoggingPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[monitor] [org.apache.shenyu.plugin.monitor.MonitorPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[divide] [org.apache.shenyu.plugin.divide.DividePlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[websocket] [org.apache.shenyu.plugin.websocket.WebSocketPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[webClient] [org.apache.shenyu.plugin.httpclient.WebClientPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[modifyResponse]
[org.apache.shenyu.plugin.modify.response.ModifyResponsePlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[paramTransform] [org.apache.shenyu.plugin.base.RpcParamTransformPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[tars] [org.apache.shenyu.plugin.tars.TarsPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[grpc] [org.apache.shenyu.plugin.grpc.GrpcPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[sofa] [org.apache.shenyu.plugin.sofa.SofaPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[dubbo] [org.apache.shenyu.plugin.alibaba.dubbo.AlibabaDubboPlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.gateway.ShenyuConfiguration - load
plugin:[response] [org.apache.shenyu.plugin.response.ResponsePlugin]
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.springboot.starter.sync.data.websocket.WebsocketSyncDataConfiguration
- you use websocket sync shenyu data.......
2021-09-29 19:56:22 [main] INFO
org.apache.shenyu.plugin.sync.data.websocket.WebsocketSyncDataService -
websocket connection is successful.....
2021-09-29 19:56:22 [WebSocketConnectReadThread-36] INFO
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
handleResult({"groupType":"PLUGIN","eventType":"MYSELF","data":[{"id":"1","name":"sign","role":"authentication","enabled":false},{"id":"2","name":"waf","config":"{\"model\":\"black\"}","role":"authentication","enabled":false},{"id":"3","name":"rewrite","role":"http
process","enabled":false},{"id":"4","name":"rate_limiter","config":"{\"master\":\"mymaster\",\"mode\":\"standalone\",\"url\":\"192.168.1.1:6379\",\"password\":\"abc\"}","role":"fault
tolerance","enabled":false},{"id":"5","name":"divide","config":"{\"multiSelectorHandle\":\"1\",\"multiRuleHandle\":\"0\"}","role":"proxy","enabled":true},{"id":"6","name":"dubbo","config":"{\"register\":\"zookeeper://localhost:2181\",\"multiSelectorHandle\":\"1\"}","role":"proxy","enabled":false},{"id":"7","name":"monitor","config":"{\"metricsName\":\"prometheus\",\"host\":\"localhost\",\"port\":\"9190\",\"as
ync\":\"true\"}","role":"monitor","enabled":false},{"id":"8","name":"springCloud","role":"proxy","enabled":false},{"id":"9","name":"hystrix","role":"fault
tolerance","enabled":false},{"id":"10","name":"sentinel","role":"fault
tolerance","enabled":false},{"id":"11","name":"sofa","config":"{\"protocol\":\"zookeeper\",\"register\":\"127.0.0.1:2181\"}","role":"proxy","enabled":false},{"id":"12","name":"resilience4j","role":"fault
tolerance","enabled":false},{"id":"13","name":"tars","config":"{\"multiSelectorHandle\":\"1\",\"multiRuleHandle\":\"0\"}","role":"proxy","enabled":false},{"id":"14","name":"context_path","role":"http
process","enabled":true},{"id":"15","name":"grpc","config":"{\"multiSelectorHandle\":\"1\",\"multiRuleHandle\":\"0\"}","role":"proxy","enabled":false},{"id":"16","name":"redirect","role":"http
process","enabled":false},{"id":"17","name":"motan","config":"{\"register\":\"127.0.0.1:2181\"}","role":"proxy","enabled":false},{"id":"18","name":"logging","role":"logging",
"enabled":false},{"id":"19","name":"jwt","config":"{\"secretKey\":\"key\",\"filterPath\":\"\"}","role":"authentication","enabled":false},{"id":"20","name":"request","role":"http
process","enabled":false},{"id":"21","name":"oauth2","role":"authentication","enabled":false},{"id":"22","name":"param_mapping","config":"{\"ruleHandlePageType\":\"custom\"}","role":"http
process","enabled":false},{"id":"23","name":"modifyResponse","config":"{\"ruleHandlePageType\":\"custom\"}","role":"http
process","enabled":false},{"id":"24","name":"cryptor_request","role":"cryptor","enabled":true},{"id":"25","name":"cryptor_response","role":"cryptor","enabled":true},{"id":"26","name":"websocket","role":"proxy","enabled":true}]})
2021-09-29 19:56:22 [WebSocketConnectReadThread-36] INFO
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
handleResult({"groupType":"SELECTOR","eventType":"MYSELF","data":[]})
2021-09-29 19:56:22 [WebSocketConnectReadThread-36] INFO
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
handleResult({"groupType":"RULE","eventType":"MYSELF","data":[]})
2021-09-29 19:56:23 [main] INFO
org.springframework.boot.web.embedded.netty.NettyWebServer - Netty started on
port(s): 9195
2021-09-29 19:56:23 [main] INFO
org.apache.shenyu.bootstrap.ShenyuBootstrapApplication - Started
ShenyuBootstrapApplication in 3.419 seconds (JVM running for 4.825)
2021-09-29 19:56:56 [WebSocketConnectReadThread-36] INFO
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient -
handleResult({"groupType":"SELECTOR","eventType":"UPDATE","data":[{"id":"1443183007156080640","pluginId":"26","pluginName":"websocket","name":"/websocket","matchMode":0,"type":1,"sort":1,"enabled":true,"logged":true,"continued":true,"handle":"{\"host\":\"localhost:8848\",\"timestamp\":0,\"weight\":50,\"warmup\":0,\"status\":true}","conditionList":[{"paramType":"uri","operator":"\u003d","paramName":"/","paramValue":"/websocket"}]}]})
2021-09-29 19:57:47 [WebSocketConnectReadThread-36] ERROR
org.java_websocket.drafts.Draft_6455 - Runtime exception during
onWebsocketMessage
com.google.gson.JsonSyntaxException: java.lang.IllegalStateException:
Expected BEGIN_ARRAY but was BEGIN_OBJECT at line 1 column 2 path $
at com.google.gson.Gson.fromJson(Gson.java:899)
at com.google.gson.Gson.fromJson(Gson.java:852)
at com.google.gson.Gson.fromJson(Gson.java:801)
at org.apache.shenyu.common.utils.GsonUtils.fromList(GsonUtils.java:157)
at
org.apache.shenyu.plugin.websocket.handler.WebSocketPluginDataHandler.handlerSelector(WebSocketPluginDataHandler.java:48)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.lambda$null$3(CommonPluginDataSubscriber.java:155)
at java.util.Optional.ifPresent(Optional.java:159)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.lambda$subscribeDataHandler$7(CommonPluginDataSubscriber.java:155)
at java.util.Optional.ifPresent(Optional.java:159)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.subscribeDataHandler(CommonPluginDataSubscriber.java:141)
at
org.apache.shenyu.plugin.base.cache.CommonPluginDataSubscriber.onSelectorSubscribe(CommonPluginDataSubscriber.java:96)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.SelectorDataHandler.doUpdate(SelectorDataHandler.java:50)
at
org.apache.shenyu.plugin.sync.data.websocket.handler.AbstractDataHandler.handle(AbstractDataHandler.java:72)
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:94)
at
org.apache.shenyu.plugin.sync.data.websocket.client.ShenyuWebsocketClient.onMessage(ShenyuWebsocketClient.java:74)
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:748)
Caused by: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was
BEGIN_OBJECT at line 1 column 2 path $
at com.google.gson.stream.JsonReader.beginArray(JsonReader.java:350)
at
com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:80)
at
com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:61)
at com.google.gson.Gson.fromJson(Gson.java:887)
... 23 common frames omitted
2021-09-29 19:57:52 [shenyu-websocket-connect-1] INFO
org.apache.shenyu.plugin.sync.data.websocket.WebsocketSyncDataService -
websocket reconnect server[ws://localhost:9095/websocket] is successful.....
```
### Anything else?
The code in `WebSocketPluginDataHandler#handlerSelector` should be changed,
or related code in `shenyu-dashboard` should be.
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