Comments (12)
rampatra
commented on May 22, 2024
Hi, Can u specify the Slack event for which u got this error? Maybe the model isn't according to the response slack is returning to the bot. Slack doesn't have a very detailed documentation regarding the respective models.
Changing the model will fix this error.
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Omertron
commented on May 22, 2024
Do you mean the code that caused this?
I've cut out the non-important bits of code
@Controller(events = EventType.MESSAGE, pattern = "^\\Qgame\\E(?:\\w?)(.*)$")
public void test(WebSocketSession session, Event event, Matcher matcher) {
String query = matcher.group(1);
StringBuilder response;
Message myReply;
response = new StringBuilder("Found ....");
myReply = new Message(response.toString());
myReply.setThreadTs(event.getTs());
reply(session, event, myReply);
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rampatra
commented on May 22, 2024
Nope, not your code. The Slack response and the model structure doesn't match. The error shows a deserialization error.
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Omertron
commented on May 22, 2024
Ok, not sure what you want?
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rampatra
commented on May 22, 2024
Just add private String ts; in Message.java to resolve your issue. And do add getters and setters as well. Or just wait for 5 mins and take a pull, I will be adding them. Thanks for reporting the issue.
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Omertron
commented on May 22, 2024
Great thanks, I was trying to work out your code and see what was causing the issue (I've some experience with Jackson), but couldn't work it out as fast as you ;)
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rampatra
commented on May 22, 2024
No problem. Have modified the code, you can check. It should work unless Slack has no other new properties added to the event.
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Omertron
commented on May 22, 2024
Sorry for the delay, was making sure I got the lastest build, but I'm, still getting an error:
2017-02-06 16:00:53.810 ERROR 8440 --- [ient-SecureIO-1] me.ramswaroop.jbot.core.slack.Bot : Error handling response from Slack: {"type":"message","message":{"type":"message","user":"U3QCGKKNU","text":"game Sushi Go","thread_ts":"1486396857.000434","reply_count":1,"replies":[{"user":"U41LKC0NA","ts":"1486396859.000435"}],"ts":"1486396857.000434"},"subtype":"message_replied","hidden":true,"channel":"G3RU2Q5MG","event_ts":"1486396859.357009","ts":"1486396859.000436"}.
Exception:
com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance of me.ramswaroop.jbot.core.slack.models.Message: no suitable constructor found, can not deserialize from Object value (missing default constructor or creator, or perhaps need to add/enable type information?)
at [Source: {"type":"message","message":{"type":"message","user":"U3QCGKKNU","text":"game Sushi Go","thread_ts":"1486396857.000434","reply_count":1,"replies":[{"user":"U41LKC0NA","ts":"1486396859.000435"}],"ts":"1486396857.000434"},"subtype":"message_replied","hidden":true,"channel":"G3RU2Q5MG","event_ts":"1486396859.357009","ts":"1486396859.000436"}; line: 1, column: 30] (through reference chain: me.ramswaroop.jbot.core.slack.models.Event["message"])
at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:270) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.DeserializationContext.instantiationException(DeserializationContext.java:1456) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.DeserializationContext.handleMissingInstantiator(DeserializationContext.java:1012) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1205) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:314) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:148) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:499) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:101) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:276) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:140) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3798) ~[jackson-databind-2.8.5.jar:2.8.5]
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2842) ~[jackson-databind-2.8.5.jar:2.8.5]
at me.ramswaroop.jbot.core.slack.Bot.handleTextMessage(Bot.java:159) ~[jbot-3.0.3-SNAPSHOT.jar:3.0.3-SNAPSHOT]
at me.ramswaroop.jbot.core.slack.BotWebSocketHandler.handleTextMessage(BotWebSocketHandler.java:32) [jbot-3.0.3-SNAPSHOT.jar:3.0.3-SNAPSHOT]
at org.springframework.web.socket.handler.AbstractWebSocketHandler.handleMessage(AbstractWebSocketHandler.java:43) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.socket.handler.WebSocketHandlerDecorator.handleMessage(WebSocketHandlerDecorator.java:75) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.socket.handler.LoggingWebSocketHandlerDecorator.handleMessage(LoggingWebSocketHandlerDecorator.java:56) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter.handleTextMessage(StandardWebSocketHandlerAdapter.java:110) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter.access$000(StandardWebSocketHandlerAdapter.java:42) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter$3.onMessage(StandardWebSocketHandlerAdapter.java:81) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter$3.onMessage(StandardWebSocketHandlerAdapter.java:78) [spring-websocket-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.apache.tomcat.websocket.WsFrameBase.sendMessageText(WsFrameBase.java:399) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameBase.processDataText(WsFrameBase.java:500) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameBase.processData(WsFrameBase.java:295) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameBase.processInputBuffer(WsFrameBase.java:131) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameClient.processSocketRead(WsFrameClient.java:73) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameClient.access$300(WsFrameClient.java:31) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameClient$WsFrameClientCompletionHandler.completed(WsFrameClient.java:131) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.WsFrameClient$WsFrameClientCompletionHandler.completed(WsFrameClient.java:114) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.AsyncChannelWrapperSecure$WrapperFuture.complete(AsyncChannelWrapperSecure.java:463) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.AsyncChannelWrapperSecure$ReadTask.run(AsyncChannelWrapperSecure.java:332) [tomcat-embed-websocket-8.5.6.jar:8.5.6]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
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rampatra
commented on May 22, 2024
Sorry, the push didn't go. Please take a pull now, it should work.
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rampatra
commented on May 22, 2024
@Omertron Hey, did it work for you?
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Omertron
commented on May 22, 2024
@ramswaroop Yes, this works now.
Thanks for the fix
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hirvora
commented on May 22, 2024
Hi @rampatra I am trying to create slack code by using your code but i am getting this above error. can you please help me to resolve it?
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