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The null object does not have a method 'accept'. #25092

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zoechi opened this issue Dec 2, 2015 · 3 comments
Closed

The null object does not have a method 'accept'. #25092

zoechi opened this issue Dec 2, 2015 · 3 comments
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@pq
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analyzer-linter Issues with the analyzer's support for the linter package 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

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@zoechi
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zoechi commented Dec 2, 2015

https://github.com/bwu-dart/bwu_polymer_routing polymer1 branch
is a repo.
I run pub run grinder (with strong-mode disabled, not tried with strong-mode enabled)

myuser@mypc ~/dart/bwu_polymer_routing
(polymer1) $ pub run grinder
Wrong script snapshot version, expected '3acc9c3982c3d8bb80ce2ca34a4be0fa' found '0cf29d77ab95cd4861fbb07ce569ae91'
grinder running [analyze] [check-format] [lint] [test] [check]

[analyze]
dartanalyzer lib/di.dart lib/static_keys.dart lib/bind_view.dart lib/module.dart lib/bind_route.dart test/some_test.dart
tool/grind.dart
Analyzing [lib/di.dart, lib/static_keys.dart, lib/bind_view.dart, lib/module.dart, lib/bind_route.dart, test/some_test.d
art, tool/grind.dart]...
Unhandled exception:
AnalysisException: Cannot compute DART_ERRORS for /home/myuser/dart/bwu_polymer_routing/lib/di.dart
Caused by Unexpected exception while performing GenerateLintsTask for source /home/myuser/dart/bwu_polymer_routing/lib/d
i.dart
#0 AnalysisTask._safelyPerform (package:analyzer/task/model.dart:320)
#1 AnalysisTask.perform (package:analyzer/task/model.dart:210)
#2 AnalysisDriver.performWorkItem (package:analyzer/src/task/driver.dart:272)
#3 AnalysisDriver.computeResult (package:analyzer/src/task/driver.dart:110)
#4 AnalysisContextImpl.computeResult (package:analyzer/src/context/context.dart:675)
#5 AnalysisContextImpl.computeErrors (package:analyzer/src/context/context.dart:608)
#6 AnalyzerImpl.prepareErrors (package:analyzer_cli/src/analyzer_impl.dart:125)
#7 AnalyzerImpl._analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:161)
#8 AnalyzerImpl.analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:119)
#9 Driver._runAnalyzer (package:analyzer_cli/src/driver.dart:516)
#10 Driver._analyzeAll (package:analyzer_cli/src/driver.dart:168)
#11 Driver.start (package:analyzer_cli/src/driver.dart:107)
#12 main (file:///mnt/data/b/build/slave/dart-sdk-linux-be/build/sdk/pkg/analyzer_cli/bin/analyzer.dart:14)
#13 _startIsolate. (dart:isolate-patch/isolate_patch.dart:259)
#14 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

Caused by The null object does not have a method 'accept'.

NoSuchMethodError: method not found: 'accept'
Receiver: null
Arguments: [Instance of '_VisitoHelper']
#0 Object._noSuchMethod (dart:core-patch/object_patch.dart:42)
#1 Object.noSuchMethod (dart:core-patch/object_patch.dart:45)
#2 Visitor.visitMethodDeclaration (package:linter/src/rules/type_annotate_public_apis.dart:101)
#3 DelegatingAstVisitor.visitMethodDeclaration. (package:analyzer/src/generated/visitors.dart:47
5)
#4 Iterable.forEach (dart:core/iterable.dart:218)
#5 DelegatingAstVisitor.visitMethodDeclaration (package:analyzer/src/generated/visitors.dart:475)
#6 MethodDeclaration.accept (package:analyzer/src/generated/ast.dart:12173)
#7 NodeList.accept (package:analyzer/src/generated/ast.dart:12778)
#8 ClassDeclaration.visitChildren (package:analyzer/src/generated/ast.dart:4419)
#9 DelegatingAstVisitor.visitClassDeclaration (package:analyzer/src/generated/visitors.dart:116)
#10 ClassDeclaration.accept (package:analyzer/src/generated/ast.dart:4349)
#11 NodeList.accept (package:analyzer/src/generated/ast.dart:12778)
#12 CompilationUnit.visitChildren (package:analyzer/src/generated/ast.dart:4975)
#13 DelegatingAstVisitor.visitCompilationUnit (package:analyzer/src/generated/visitors.dart:144)
#14 CompilationUnit.accept (package:analyzer/src/generated/ast.dart:4968)
#15 GenerateLintsTask.internalPerform (package:analyzer/src/task/dart.dart:2822)
#16 AnalysisTask._safelyPerform (package:analyzer/task/model.dart:310)
#17 AnalysisTask.perform (package:analyzer/task/model.dart:210)
#18 AnalysisDriver.performWorkItem (package:analyzer/src/task/driver.dart:272)
#19 AnalysisDriver.computeResult (package:analyzer/src/task/driver.dart:110)
#20 AnalysisContextImpl.computeResult (package:analyzer/src/context/context.dart:675)
#21 AnalysisContextImpl.computeErrors (package:analyzer/src/context/context.dart:608)
#22 AnalyzerImpl.prepareErrors (package:analyzer_cli/src/analyzer_impl.dart:125)
#23 AnalyzerImpl._analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:161)
#24 AnalyzerImpl.analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:119)
#25 Driver._runAnalyzer (package:analyzer_cli/src/driver.dart:516)
#26 Driver._analyzeAll (package:analyzer_cli/src/driver.dart:168)
#27 Driver.start (package:analyzer_cli/src/driver.dart:107)
#28 main (file:///mnt/data/b/build/slave/dart-sdk-linux-be/build/sdk/pkg/analyzer_cli/bin/analyzer.dart:14)
#29 _startIsolate. (dart:isolate-patch/isolate_patch.dart:259)
#30 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

#0 AnalysisContextImpl.computeResult (package:analyzer/src/context/context.dart:679)
#1 AnalysisContextImpl.computeErrors (package:analyzer/src/context/context.dart:608)
#2 AnalyzerImpl.prepareErrors (package:analyzer_cli/src/analyzer_impl.dart:125)
#3 AnalyzerImpl._analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:161)
#4 AnalyzerImpl.analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:119)
#5 Driver._runAnalyzer (package:analyzer_cli/src/driver.dart:516)
#6 Driver._analyzeAll (package:analyzer_cli/src/driver.dart:168)
#7 Driver.start (package:analyzer_cli/src/driver.dart:107)
#8 main (file:///mnt/data/b/build/slave/dart-sdk-linux-be/build/sdk/pkg/analyzer_cli/bin/analyzer.dart:14)
#9 _startIsolate. (dart:isolate-patch/isolate_patch.dart:259)
#10 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

dartanalyzer failed with:
exit code: 255

stdout:

Analyzing [lib/di.dart, lib/static_keys.dart, lib/bind_view.dart, lib/module.dart, lib/bind_route.dart, test/some_test.dart, tool/grind.dart]...

stderr:

Unhandled exception:
AnalysisException: Cannot compute DART_ERRORS for /home/myuser/dart/bwu_polymer_routing/lib/di.dart
Caused by Unexpected exception while performing GenerateLintsTask for source /home/myuser/dart/bwu_polymer_routing/lib/di.dart

0 AnalysisTask._safelyPerform (package:analyzer/task/model.dart:320)

1 AnalysisTask.perform (package:analyzer/task/model.dart:210)

2 AnalysisDriver.performWorkItem (package:analyzer/src/task/driver.dart:272)

3 AnalysisDriver.computeResult (package:analyzer/src/task/driver.dart:110)

4 AnalysisContextImpl.computeResult (package:analyzer/src/context/context.dart:675)

5 AnalysisContextImpl.computeErrors (package:analyzer/src/context/context.dart:608)

6 AnalyzerImpl.prepareErrors (package:analyzer_cli/src/analyzer_impl.dart:125)

7 AnalyzerImpl._analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:161)

8 AnalyzerImpl.analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:119)

9 Driver._runAnalyzer (package:analyzer_cli/src/driver.dart:516)

10 Driver._analyzeAll (package:analyzer_cli/src/driver.dart:168)

11 Driver.start (package:analyzer_cli/src/driver.dart:107)

12 main (file:///mnt/data/b/build/slave/dart-sdk-linux-be/build/sdk/pkg/analyzer_cli/bin/analyzer.dart:14)

13 _startIsolate. (dart:isolate-patch/isolate_patch.dart:259)

14 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

Caused by The null object does not have a method 'accept'.

NoSuchMethodError: method not found: 'accept'
Receiver: null
Arguments: [Instance of '_VisitoHelper']

0 Object._noSuchMethod (dart:core-patch/object_patch.dart:42)

1 Object.noSuchMethod (dart:core-patch/object_patch.dart:45)

2 Visitor.visitMethodDeclaration (package:linter/src/rules/type_annotate_public_apis.dart:101)

3 DelegatingAstVisitor.visitMethodDeclaration. (package:analyzer/src/generated/visitors.dart:475)

4 Iterable.forEach (dart:core/iterable.dart:218)

5 DelegatingAstVisitor.visitMethodDeclaration (package:analyzer/src/generated/visitors.dart:475)

6 MethodDeclaration.accept (package:analyzer/src/generated/ast.dart:12173)

7 NodeList.accept (package:analyzer/src/generated/ast.dart:12778)

8 ClassDeclaration.visitChildren (package:analyzer/src/generated/ast.dart:4419)

9 DelegatingAstVisitor.visitClassDeclaration (package:analyzer/src/generated/visitors.dart:116)

10 ClassDeclaration.accept (package:analyzer/src/generated/ast.dart:4349)

11 NodeList.accept (package:analyzer/src/generated/ast.dart:12778)

12 CompilationUnit.visitChildren (package:analyzer/src/generated/ast.dart:4975)

13 DelegatingAstVisitor.visitCompilationUnit (package:analyzer/src/generated/visitors.dart:144)

14 CompilationUnit.accept (package:analyzer/src/generated/ast.dart:4968)

15 GenerateLintsTask.internalPerform (package:analyzer/src/task/dart.dart:2822)

16 AnalysisTask._safelyPerform (package:analyzer/task/model.dart:310)

17 AnalysisTask.perform (package:analyzer/task/model.dart:210)

18 AnalysisDriver.performWorkItem (package:analyzer/src/task/driver.dart:272)

19 AnalysisDriver.computeResult (package:analyzer/src/task/driver.dart:110)

20 AnalysisContextImpl.computeResult (package:analyzer/src/context/context.dart:675)

21 AnalysisContextImpl.computeErrors (package:analyzer/src/context/context.dart:608)

22 AnalyzerImpl.prepareErrors (package:analyzer_cli/src/analyzer_impl.dart:125)

23 AnalyzerImpl._analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:161)

24 AnalyzerImpl.analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:119)

25 Driver._runAnalyzer (package:analyzer_cli/src/driver.dart:516)

26 Driver._analyzeAll (package:analyzer_cli/src/driver.dart:168)

27 Driver.start (package:analyzer_cli/src/driver.dart:107)

28 main (file:///mnt/data/b/build/slave/dart-sdk-linux-be/build/sdk/pkg/analyzer_cli/bin/analyzer.dart:14)

29 _startIsolate. (dart:isolate-patch/isolate_patch.dart:259)

30 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

0 AnalysisContextImpl.computeResult (package:analyzer/src/context/context.dart:679)

1 AnalysisContextImpl.computeErrors (package:analyzer/src/context/context.dart:608)

2 AnalyzerImpl.prepareErrors (package:analyzer_cli/src/analyzer_impl.dart:125)

3 AnalyzerImpl._analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:161)

4 AnalyzerImpl.analyzeSync (package:analyzer_cli/src/analyzer_impl.dart:119)

5 Driver._runAnalyzer (package:analyzer_cli/src/driver.dart:516)

6 Driver._analyzeAll (package:analyzer_cli/src/driver.dart:168)

7 Driver.start (package:analyzer_cli/src/driver.dart:107)

8 main (file:///mnt/data/b/build/slave/dart-sdk-linux-be/build/sdk/pkg/analyzer_cli/bin/analyzer.dart:14)

9 _startIsolate. (dart:isolate-patch/isolate_patch.dart:259)

10 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:148)

0 run (package:grinder/src/run.dart:46:5)

1 Analyzer.analyze (package:grinder/grinder_sdk.dart:349:5)

2 main. (file:///home/myuser/dart/bwu_polymer_routing/tool/grind.dart:13:35)

3 analyze (package:bwu_grinder_tasks/bwu_grinder_tasks.dart:22:25)

4 _LocalLibraryMirror._invoke (dart:mirrors-patch/mirrors_impl.dart:1286)

5 _LocalObjectMirror.invoke (dart:mirrors-patch/mirrors_impl.dart:364)

6 TaskDiscovery.discoverDeclaration. (package:grinder/src/discover_tasks.dart:79:38)

7 _rootRun (dart:async/zone.dart:907)

8 _CustomZone.run (dart:async/zone.dart:802)

9 runZoned (dart:async/zone.dart:1245)

10 ZonedValue.withValue (package:grinder/src/utils.dart:115:12)

11 GrinderTask.execute (package:grinder/grinder.dart:189:27)

12 Grinder._executeTask (package:grinder/grinder.dart:404:23)

13 Grinder.start. (package:grinder/grinder.dart:379:16)

14 Future.forEach.. (dart:async/future.dart:336)

15 Future.Future.sync (dart:async/future.dart:168)

16 Future.forEach. (dart:async/future.dart:336)

17 Future.Future.sync (dart:async/future.dart:168)

18 Future.doWhile. (dart:async/future.dart:361)

19 _RootZone.runUnaryGuarded (dart:async/zone.dart:1087)

20 _RootZone.bindUnaryCallback. (dart:async/zone.dart:1116)

21 Future.doWhile (dart:async/future.dart:367)

22 Future.forEach (dart:async/future.dart:334)

23 Grinder.start (package:grinder/grinder.dart:378:21)

24 cli (package:grinder/src/cli.dart:67:39)

25 Function._apply (dart:core-patch/function_patch.dart:7)

26 Function.apply (dart:core-patch/function_patch.dart:28)

27 FunctionScript._getTopCommandResult (package:unscripted/src/script_impl.dart:156:67)

28 DeclarationScript._handleResults (package:unscripted/src/script_impl.dart:107:21)

29 ScriptImpl.execute.. (package:unscripted/src/script_impl.dart:49:11)

.

Dart VM version: 1.14.0-edge.d0ea4371c9bab943b31b41299e1627e48a22e1f3 (Tue Dec 1 17:47:48 2015) on "linux_x64"

.

Wrong script snapshot version

seems unrelated. When I run again I get the same exception.
@zoechi
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zoechi commented Dec 2, 2015

just saw, looks like dart-lang/linter#151

@bwilkerson bwilkerson added Type-Defect 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-linter Issues with the analyzer's support for the linter package labels Dec 2, 2015
@pq
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pq commented Dec 2, 2015

just saw, looks like dart-lang/linter#151

Yep. Thanks @zoechi! 👍

@pq pq closed this as completed in 94f7322 Dec 2, 2015
@pq
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pq commented Dec 2, 2015

Fixed in dart-lang/linter@978780d, published as version 0.1.9 to pub, landed in the SDK as of 94f7322.

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analyzer-linter Issues with the analyzer's support for the linter package 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
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