The possible exceptions that may occur relating to event receivers that may occur are as follows:
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Dropping incorrectly formatted events
| Exception | | Code Block |
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wso2carbon.log:114:TID: [-1234] [] [2017-03-31 00:00:01,155] ERROR {org.wso2.carbon.databridge.core.internal.queue.QueueWorker} - Dropping wrongly formatted event sent for -1234 {org.wso2.carbon.databridge.core.internal.queue.QueueWorker}
wso2carbon.log-115-org.wso2.carbon.databridge.core.exception.EventConversionException: Error when converting 1 of event bundle with events 6
wso2carbon.log-116- at org.wso2.carbon.databridge.receiver.thrift.converter.ThriftEventConverter.createEventList(ThriftEventConverter.java:181) |
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| Occurrence | This may occur when you publish events to WSO2 DAS before or after starting the DAS server. |
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| Possible reasons | - If this exception occurs for events that were sent before the DAS server start-up, it can be due to a delay in the deployment of one or more artifacts deployed via CAR files.
- If this exception occurs for events that are sent after the DAS server start-up, it is because the relevant event stream is not defined or deployed in WSO2 DAS. For more information about event streams, see Understanding Event Streams and Event Tables.
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| Troubleshooting options | Go to the <DAS_HOME>/repository/deployment/server/eventstreams directory and check whether the required event stream definition exists. |
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| Recommended action | Ensure that the required event streams are defined/deployed. |
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