Analyzer crash report: Invalid argument(s): Missing library

[srawlins]

ArgumentError:

Invalid argument(s): Missing library: package:xyz
Libraries: [dart:async, dart:collection, dart:convert, dart:core, dart:_internal, dart:math, dart:typed_data, package:abc
Root children: [dart:async, dart:collection, dart:convert, dart:core, dart:_internal, dart:math, dart:typed_data, package:abc
Readers: [dart:async, dart:collection, dart:convert, dart:core, dart:_internal, dart:math, dart:typed_data, package:abc
Log: [load][targetLibrary: package:xyz
[load][targetLibrary: package:xyz
[load][targetLibrary: <path>
[removeLibraries][uriSet: {package:xyz
#1      LibraryContext.remove (package:analyzer<path>
#2      AnalysisDriver._removePotentiallyAffectedLibraries (package:analyzer<path>
#3      AnalysisDriver._applyPendingFileChanges (package:analyzer<path>
#4      <filename> (package:analyzer<path>
<asynchronous suspension>
]
[load][targetLibrary: package:xyz
[load][targetLibrary: package:xyz
[load][targetLibrary: package:xyz
[load][targetLibrary: package:xyz
[load][targetLibrary: package:xyz
[load][targetLibrary: package:xyz

Stack trace:

#1      LibraryContext.remove (package:analyzer<path>
#2      AnalysisDriver._removePotentiallyAffectedLibraries (package:analyzer<path>
#3      AnalysisDriver._applyPendingFileChanges (package:analyzer<path>
#4      
at LinkedElementFactory.createLibraryElementForReading	(linked_element_factory.dart:153)
at LinkedElementFactory.elementOfReference	(linked_element_factory.dart:212)
at LinkedElementFactory.libraryOfUri	(linked_element_factory.dart:241)
at LinkedElementFactory.libraryOfUri2	(linked_element_factory.dart:245)
at ResolutionReader.libraryOfUri	(bundle_reader.dart:1988)
at LibraryElementLinkedData._readLibraryOrAugmentation	(bundle_reader.dart:628)
at LibraryElementLinkedData._read	(bundle_reader.dart:577)
at ElementLinkedData.read	(bundle_reader.dart:254)
at LibraryElementLinkedData.read	(bundle_reader.dart:561)
at LibraryElementImpl.exportNamespace	(element.dart:4235)
at LibraryElementExtensions.exportedExtensions	(element.dart:61)
at _ImportLibraryContainingExtension.compute	(import_library.dart:484)
at FixProcessor._addFromProducers.compute	(fix_processor.dart:111)
at FixProcessor._addFromProducers	(fix_processor.dart:147)
at <asynchronous gap>	(async)
at FixProcessor.compute	(fix_processor.dart:76)
at <asynchronous gap>	(async)
at computeFixes	(fix_internal.dart:1719)
at <asynchronous gap>	(async)
at DartCodeActionsProducer.getFixActions	(dart.dart:178)
at <asynchronous gap>	(async)
at OperationPerformanceImpl.runAsync	(operation_performance.dart:174)
at <asynchronous gap>	(async)
at CodeActionHandler.handle.<fn>.<fn>	(handler_code_actions.dart:227)
at <asynchronous gap>	(async)
at ErrorOrRecord2Extension.mapResults	(error_or.dart:125)
at <asynchronous gap>	(async)
at ErrorOr.mapResult	(error_or.dart:94)
at <asynchronous gap>	(async)
at ServerStateMessageHandler.handleMessage	(handlers.dart:397)
at <asynchronous gap>	(async)
at LspAnalysisServer._handleRequestMessage	(lsp_analysis_server.dart:1006)
at <asynchronous gap>	(async)
at LspAnalysisServer.handleMessage.<fn>.<fn>	(lsp_analysis_server.dart:461)
at <asynchronous gap>	(async)
at OperationPerformanceImpl.runAsync	(operation_performance.dart:174)
at <asynchronous gap>	(async)
at LspAnalysisServer.handleMessage.<fn>	(lsp_analysis_server.dart:444)

Seen in, at least, 3.5.0-234.0.dev, 3.5.0-236.0.dev, 3.5.0-238.0.dev, 3.5.0-250.0.dev, 3.5.0-254.0.dev

[bwilkerson]

@scheglov

[keertip]

Still seen in 3.5.0-323.0.dev

[scheglov]

My long time hypothesis is that this is caused by attempt to run multiple async operations in parallel. Probably here quick fix, file system change event, and the analysis driver. We need to run them sequentially. AFAIK now there is a plan to do this.