Trello importer IndexOutOfBoundsException error

[Silvia Hisham]

Every time I try importing any board from trello, I get this error:

2016-07-27 10:59:47,182 INFO - Import started by admin using com.atlassian.jira.plugins.importer.trello.TrelloImporterDataBean
2016-07-27 10:59:47,293 ERROR - Unexpected failure occurred. Importer will stop immediately. Data may be in an unstable state
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at com.atlassian.jira.plugins.importer.trello.WorkflowHelperImpl.addArchivePostFunctions(WorkflowHelperImpl.java:347)
	at com.atlassian.jira.plugins.importer.trello.WorkflowHelperImpl.createInitialTrelloWorkflowDescriptor(WorkflowHelperImpl.java:306)
	at com.atlassian.jira.plugins.importer.trello.WorkflowHelperImpl.createWorkflow(WorkflowHelperImpl.java:215)
	at com.atlassian.jira.plugins.importer.trello.WorkflowHelperImpl.createWorkflowForBoard(WorkflowHelperImpl.java:106)
	at com.atlassian.jira.plugins.importer.trello.transformers.BoardTransformer.apply(BoardTransformer.java:58)
	at com.atlassian.jira.plugins.importer.trello.transformers.BoardTransformer.apply(BoardTransformer.java:22)
	at com.google.common.collect.Iterators$8.transform(Iterators.java:799)
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48)
	at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
	at java.util.HashSet.<init>(HashSet.java:119)
	at com.google.common.collect.Sets.newHashSet(Sets.java:218)
	at com.atlassian.jira.plugins.importer.trello.TrelloImporterDataBean.getAllProjects(TrelloImporterDataBean.java:81)
	at com.atlassian.jira.plugins.importer.imports.importer.AbstractDataBean.getSelectedProjects(AbstractDataBean.java:29)
	at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.preImport(DefaultJiraDataImporter.java:509)
	at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.doImport(DefaultJiraDataImporter.java:321)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
	at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:56)
	at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:60)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:70)
	at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:53)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.eclipse.gemini.blueprint.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:57)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
	at com.sun.proxy.$Proxy1559.doImport(Unknown Source)
	at com.atlassian.jira.plugins.importer.imports.importer.impl.ImporterCallable.call(ImporterCallable.java:26)
	at com.atlassian.jira.plugins.importer.imports.importer.impl.ImporterCallable.call(ImporterCallable.java:15)
	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:445)
	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:413)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:216)
	at java.lang.Thread.run(Thread.java:745)
2016-07-27 10:59:47,295 INFO - No issues need to be reindexed.

[AnnWorley]

I found this bug that addresses an almost identical error:

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

Unable to import from Trello on JIRA Core (IndexOutOfBoundsException)

[Dario B]

Known issue: https://ecosystem.atlassian.net/browse/JIM-1700

You may have to create resolutions.

Please be aware also of the below other bugs that you may encounter after fixing the above one:

https://ecosystem.atlassian.net/browse/JIM-1706

https://ecosystem.atlassian.net/browse/JIM-1680