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When yrying to import trello data into jira through trello importer getting the following exception Edited

Could anyone please help me out on this.

 

2017-05-16 11:06:39,223 ERROR - Unexpected failure occurred. Importer will stop immediately. Data may be in an unstable state
com.atlassian.jira.plugins.importer.trello.fetch.TrelloParseException: Error "?

Caused by: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 1
at com.google.gson.Gson.fromJson(Gson.java:801)
at com.google.gson.Gson.fromJson(Gson.java:756)
at com.google.gson.Gson.fromJson(Gson.java:705)
at com.atlassian.jira.plugins.importer.trello.fetch.TrelloParser.getCards(TrelloParser.java:83)
... 33 more
Caused by: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 1
at com.google.gson.stream.JsonReader.beginArray(JsonReader.java:328)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:79)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60)
at com.google.gson.Gson.fromJson(Gson.java:790)
... 36 more

1 answer

I got this error because the Trello Board I  tried to import had nearly 7000 check lists. Remove the checklists that are old or in unused state.

Try to Import Again.

 

Dario Atlassian Team Jan 09, 2018

Apparently with too many check lists it was taking too long and therefore timing out.

This is a known bug tracked as:

https://jira.atlassian.com/browse/JRACLOUD-63646

https://jira.atlassian.com/browse/JRASERVER-63646

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