Programmatically setting issueLinkType to non existing value makes indexing service throw NullPointerException and all issues disappear

 
issueLinkManager.createIssueLink(currentIssue.getId(), createdIssueObject.getId(), 1, 1, authenticationContext.getUser()) 

 
java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at com.atlassian.jira.index.FutureResult.await(FutureResult.java:35)
	at com.atlassian.jira.index.CompositeResultBuilder$CompositeResult.await(CompositeResultBuilder.java:82)
	at com.atlassian.jira.issue.index.DefaultIndexManager.reIndexAll(DefaultIndexManager.java:286)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.atlassian.util.profiling.object.ObjectProfiler.profiledInvoke(ObjectProfiler.java:81)
	at com.atlassian.jira.config.component.SwitchingInvocationHandler.invoke(SwitchingInvocationHandler.java:28)
	at $Proxy153.reIndexAll(Unknown Source)
	at com.atlassian.jira.util.index.CompositeIndexLifecycleManager.reIndexAll(CompositeIndexLifecycleManager.java:49)
	at com.atlassian.jira.web.action.admin.index.ReIndexAsyncIndexerCommand.doReindex(ReIndexAsyncIndexerCommand.java:27)
	at com.atlassian.jira.web.action.admin.index.AbstractAsyncIndexerCommand.call(AbstractAsyncIndexerCommand.java:54)
	at com.atlassian.jira.web.action.admin.index.AbstractAsyncIndexerCommand.call(AbstractAsyncIndexerCommand.java:23)
	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:359)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at com.atlassian.multitenant.impl.DefaultMultiTenantManager.runForTenant(DefaultMultiTenantManager.java:61)
	at com.atlassian.multitenant.juc.MultiTenantExecutors$WrappedRunnable.run(MultiTenantExecutors.java:160)
	at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:249)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
	at java.util.concurrent.FutureTask.get(FutureTask.java:83)
	at com.atlassian.jira.index.FutureResult.await(FutureResult.java:31)
	... 23 more
Caused by: java.lang.NullPointerException
	at com.atlassian.jira.issue.index.indexers.impl.SubTaskIndexer.addIndex(SubTaskIndexer.java:54)
	at com.atlassian.jira.issue.index.IssueDocument.getDocument(IssueDocument.java:40)
	at com.atlassian.jira.issue.index.DefaultIssueDocumentFactory.get(DefaultIssueDocumentFactory.java:15)
	at com.atlassian.jira.issue.index.DefaultIssueDocumentFactory.get(DefaultIssueDocumentFactory.java:11)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$IssueLockDocumentCreationStrategy$2.get(DefaultIssueIndexer.java:519)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$IssueLockDocumentCreationStrategy$2.get(DefaultIssueIndexer.java:516)
	at com.atlassian.util.concurrent.ManagedLocks$ManagedLockImpl.withLock(ManagedLocks.java:315)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$IssueLockDocumentCreationStrategy.get(DefaultIssueIndexer.java:515)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$IssueLockDocumentCreationStrategy.get(DefaultIssueIndexer.java:503)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$IndexIssuesOperation.perform(DefaultIssueIndexer.java:374)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$4$1.get(DefaultIssueIndexer.java:258)
	at com.atlassian.jira.issue.index.DefaultIssueIndexer$4$1.get(DefaultIssueIndexer.java:254)
	at com.atlassian.jira.index.SimpleIndexingStrategy.get(SimpleIndexingStrategy.java:9)
	at com.atlassian.jira.index.SimpleIndexingStrategy.get(SimpleIndexingStrategy.java:5)
	at com.atlassian.jira.index.MultiThreadedIndexingStrategy$1.call(MultiThreadedIndexingStrategy.java:39)
	at com.atlassian.jira.index.MultiThreadedIndexingStrategy$1.call(MultiThreadedIndexingStrategy.java:36)
	at com.atlassian.jira.util.concurrent.BoundedExecutor$2.call(BoundedExecutor.java:70)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at com.atlassian.multitenant.impl.DefaultMultiTenantManager.runForTenant(DefaultMultiTenantManager.java:61)
	at com.atlassian.multitenant.juc.MultiTenantExecutors$WrappedRunnable.run(MultiTenantExecutors.java:160)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	... 1 more