Exception when typing a package name in build-depends stanza of .cabal file

Repro: stack new; open .cabal file; position caret to the end of base >= ... line under the library → build-depends; <kbd>Enter</kbd>, <kbd>Shift</kbd><kbd>Tab</kbd>, <kbd>Space</kbd>, type git

Expected: a popup with the list of packages beginning with git, including github

Instead: no such popup, an exception instead.

Stack trace

java.io.IOException: Stream Closed
	at java.io.FileInputStream.readBytes(Native Method)
	at java.io.FileInputStream.read(FileInputStream.java:255)
	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
	at java.io.InputStreamReader.read(InputStreamReader.java:184)
	at java.io.BufferedReader.fill(BufferedReader.java:161)
	at java.io.BufferedReader.readLine(BufferedReader.java:324)
	at java.io.BufferedReader.readLine(BufferedReader.java:389)
	at scala.io.BufferedSource$BufferedLineIterator.hasNext(BufferedSource.scala:74)
	at scala.collection.Iterator.toStream(Iterator.scala:1415)
	at scala.collection.Iterator.toStream$(Iterator.scala:1414)
	at scala.collection.AbstractIterator.toStream(Iterator.scala:1429)
	at scala.collection.Iterator.$anonfun$toStream$1(Iterator.scala:1415)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1171)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1161)
	at scala.collection.immutable.Stream$.$anonfun$filteredTail$1(Stream.scala:1258)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1171)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1161)
	at scala.collection.immutable.Stream.$anonfun$map$1(Stream.scala:418)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1171)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1161)
	at scala.collection.immutable.Stream$.$anonfun$filteredTail$1(Stream.scala:1258)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1171)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1161)
	at scala.collection.immutable.Stream$.$anonfun$filteredTail$1(Stream.scala:1258)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1171)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1161)
	at scala.collection.immutable.Stream.$anonfun$map$1(Stream.scala:418)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1171)
	at scala.collection.immutable.Stream$Cons.tail(Stream.scala:1161)
	at scala.collection.immutable.Stream.foreach(Stream.scala:534)
	at intellij.haskell.cabal.completion.CabalCompletionContributor$CompletionWrapper.$anonfun$completeExtensions$1(CabalCompletionContributor.scala:47)
	at intellij.haskell.cabal.completion.CabalCompletionContributor$CompletionWrapper.$anonfun$completeExtensions$1$adapted(CabalCompletionContributor.scala:42)
	at scala.Option.foreach(Option.scala:274)
	at intellij.haskell.cabal.completion.CabalCompletionContributor$CompletionWrapper.completeExtensions(CabalCompletionContributor.scala:42)
	at intellij.haskell.cabal.completion.CabalCompletionContributor$CompletionWrapper.run(CabalCompletionContributor.scala:36)
	at intellij.haskell.cabal.completion.CabalCompletionContributor$$anon$1.addCompletions(CabalCompletionContributor.scala:29)
	at com.intellij.codeInsight.completion.CompletionProvider.addCompletionVariants(CompletionProvider.java:36)
	at com.intellij.codeInsight.completion.CompletionContributor.fillCompletionVariants(CompletionContributor.java:161)
	at com.intellij.codeInsight.completion.CompletionService.getVariantsFromContributors(CompletionService.java:90)
	at com.intellij.codeInsight.completion.CompletionResultSet.runRemainingContributors(CompletionResultSet.java:149)
	at com.intellij.codeInsight.completion.CompletionResultSet.runRemainingContributors(CompletionResultSet.java:142)
	at com.intellij.codeInsight.template.impl.LiveTemplateCompletionContributor$1.addCompletions(LiveTemplateCompletionContributor.java:77)
	at com.intellij.codeInsight.completion.CompletionProvider.addCompletionVariants(CompletionProvider.java:36)
	at com.intellij.codeInsight.completion.CompletionContributor.fillCompletionVariants(CompletionContributor.java:161)
	at com.intellij.codeInsight.completion.CompletionService.getVariantsFromContributors(CompletionService.java:90)
	at com.intellij.codeInsight.completion.CompletionService.performCompletion(CompletionService.java:120)
	at com.intellij.codeInsight.completion.impl.CompletionServiceImpl.performCompletion(CompletionServiceImpl.java:60)
	at com.intellij.codeInsight.completion.CompletionProgressIndicator.calculateItems(CompletionProgressIndicator.java:828)
	at com.intellij.codeInsight.completion.CompletionProgressIndicator.runContributors(CompletionProgressIndicator.java:813)
	at com.intellij.codeInsight.completion.CodeCompletionHandlerBase.lambda$null$2(CodeCompletionHandlerBase.java:280)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1166)
	at com.intellij.codeInsight.completion.AsyncCompletion.tryReadOrCancel(CompletionThreading.java:170)
	at com.intellij.codeInsight.completion.CodeCompletionHandlerBase.lambda$doComplete$3(CodeCompletionHandlerBase.java:277)
	at com.intellij.codeInsight.completion.AsyncCompletion.lambda$null$0(CompletionThreading.java:95)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:164)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:586)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:532)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:86)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:151)
	at com.intellij.codeInsight.completion.AsyncCompletion.lambda$startThread$1(CompletionThreading.java:91)
	at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:311)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

[rikvdkleij]

Yes, I also noticed that. Fixed it already locally.

[develop7]

That did it, thanks!