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Exception in search engine #27542

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bwilkerson opened this issue Oct 7, 2016 · 2 comments
Closed

Exception in search engine #27542

bwilkerson opened this issue Oct 7, 2016 · 2 comments
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@scheglov
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analyzer-server area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. P1 A high priority bug; for example, a single project is unusable or has many test failures type-bug Incorrect behavior (everything from a crash to more subtle misbehavior)

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@bwilkerson
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I don't know why this is being reported back as a failure for analysis.setPriorityFiles. My best guess is that we're trying to send some subscribed to notification in response, but it seems like there must be a better way to report this error.

Dart analysis server, SDK version 1.20.0-dev.7.0, server version 1.17.0, FATAL error: Failed to handle request: {clientRequestTime: 1474551288311, params: {files: [x.dart, y.dart]}, method: analysis.setPriorityFiles, id: 801}
The null object does not have a method 'accept'.

NoSuchMethodError: method not found: 'accept'
Receiver: null
Arguments: [Instance of '_ContainingElementFinder']
#0 Object._noSuchMethod (dart:core-patch/object_patch.dart:44)
#1 Object.noSuchMethod (dart:core-patch/object_patch.dart:47)
#2 SearchMatch.element (package:analysis_server/src/services/search/search_engine.dart:166)
#3 getSubClasses.<getSubClasses_async_body>. (package:analysis_server/src/services/search/hierarchy.dart:127)
#4 MappedListIterable.elementAt (dart:_internal/iterable.dart:416)
#5 ListIterable.toSet (dart:_internal/iterable.dart:230)
#6 getSubClasses.<getSubClasses_async_body> (package:analysis_server/src/services/search/hierarchy.dart:127)
#7 _asyncThenWrapperHelper. (dart:async-patch/async_patch.dart:27)
#8 _rootRunUnary (dart:async/zone.dart:1158)
#9 _CustomZone.runUnary (dart:async/zone.dart:1037)
#10 _FutureListener.handleValue (dart:async/future_impl.dart:131)
#11 _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:637)
#12 _Future._propagateToListeners (dart:async/future_impl.dart:667)
#13 _Future._complete (dart:async/future_impl.dart:467)
#14 _SyncCompleter.complete (dart:async/future_impl.dart:52)
#15 SearchEngineImpl.searchAllSubtypes.<searchAllSubtypes_async_body> (package:analysis_server/src/services/search/search_engine_internal.dart:34)
#16 _asyncThenWrapperHelper. (dart:async-patch/async_patch.dart:27)
#17 _rootRunUnary (dart:async/zone.dart:1158)
#18 _CustomZone.runUnary (dart:async/zone.dart:1037)
#19 _FutureListener.handleValue (dart:async/future_impl.dart:131)
#20 _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:637)
#21 _Future._propagateToListeners (dart:async/future_impl.dart:667)
#22 _Future._complete (dart:async/future_impl.dart:467)
#23 _SyncCompleter.complete (dart:async/future_impl.dart:52)
#24 SearchEngineImpl._addMatches.<_addMatches_async_body> (package:analysis_server/src/services/search/search_engine_internal.dart:111)
#25 _asyncThenWrapperHelper. (dart:async-patch/async_patch.dart:27)
#26 _rootRunUnary (dart:async/zone.dart:1158)
#27 _CustomZone.runUnary (dart:async/zone.dart:1037)
#28 _FutureListener.handleValue (dart:async/future_impl.dart:131)
#29 _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:637)
#30 _Future._propagateToListeners (dart:async/future_impl.dart:667)
#31 _Future._complete (dart:async/future_impl.dart:467)
#32 _SyncCompleter.complete (dart:async/future_impl.dart:52)
#33 Index._mergeLocations.<_mergeLocations_async_body> (package:analysis_server/src/services/index/index.dart:141)
#34 _asyncThenWrapperHelper. (dart:async-patch/async_patch.dart:27)
#35 _rootRunUnary (dart:async/zone.dart:1158)
#36 _CustomZone.runUnary (dart:async/zone.dart:1037)
#37 _FutureListener.handleValue (dart:async/future_impl.dart:131)
#38 _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:637)
#39 _Future._propagateToListeners (dart:async/future_impl.dart:667)
#40 _Future._complete (dart:async/future_impl.dart:467)
#41 _SyncCompleter.complete (dart:async/future_impl.dart:52)
#42 _ContextIndex._mergeLocations.<_mergeLocations_async_body> (package:analysis_server/src/services/index/index.dart:319)
#43 Future.Future.microtask. (dart:async/future.dart:144)
#44 _rootRun (dart:async/zone.dart:1146)
#45 _CustomZone.run (dart:async/zone.dart:1026)
#46 _CustomZone.runGuarded (dart:async/zone.dart:924)
#47 _CustomZone.bindCallback. (dart:async/zone.dart:951)
#48 _rootRun (dart:async/zone.dart:1150)
#49 _CustomZone.run (dart:async/zone.dart:1026)
#50 _CustomZone.runGuarded (dart:async/zone.dart:924)
#51 _CustomZone.bindCallback. (dart:async/zone.dart:951)
#52 _microtaskLoop (dart:async/schedule_microtask.dart:41)
#53 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#54 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:394)
#55 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:414)
#56 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)
@bwilkerson bwilkerson added P1 A high priority bug; for example, a single project is unusable or has many test failures area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. analyzer-server type-bug Incorrect behavior (everything from a crash to more subtle misbehavior) labels Oct 7, 2016
@scheglov scheglov self-assigned this Oct 11, 2016
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https://codereview.chromium.org/2409403002

scheglov added a commit that referenced this issue Oct 11, 2016
@scheglov
Issue 27542. Guard against CompilationUnitElement is null in SearchMa…
56bde6d 
…tch.element getter.

[email protected]
BUG= #27542

Review URL: https://codereview.chromium.org/2409403002 .
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56bde6d

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analyzer-server area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. P1 A high priority bug; for example, a single project is unusable or has many test failures type-bug Incorrect behavior (everything from a crash to more subtle misbehavior)
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