[Bug] NullPointerException during content generation #9782
Description
Describe the bug
A NullPointerException during tool execution, after updating to version 2.75.3 (previous version used is 2.66.2 and the error did not show up).
Here's the stack trace:
NullReferenceException: Object reference not set to an instance of an object.
at ConfigFilterRuleItem get_Rule() in ConfigFilterRuleItemUnion.cs:57
at bool CanVisitCore(IEnumerable<ConfigFilterRuleItemUnion> ruleItems, SymbolFilterData symbol) in ConfigFilterRule.cs:
30
at bool CanVisitApi(SymbolFilterData symbol) in ConfigFilterRule.cs:20
at bool <IncludeApi>g__IncludeApiDefault|1(ISymbol symbol) in SymbolFilter.cs:46
at bool <IncludeApi>b__0(ISymbol _) in SymbolFilter.cs:40
at TValue GetOrAdd(TKey key, Func<TKey, TValue> valueFactory)
at bool IncludeApi(ISymbol symbol) in SymbolFilter.cs:31
at IEnumerable<INamespaceSymbol> GetAllNamespaces(IAssemblySymbol assembly, SymbolFilter filter) in SymbolHelper.cs:106
at IEnumerable<TResult> SelectManyIterator<TSource,TCollection,TResult>(IEnumerable<TSource> source, Func<TSource,
IEnumerable<TCollection>> collectionSelector, Func<TSource, TCollection, TResult> resultSelector)
at bool MoveNext()
at IEnumerable<TResult> SelectManyIterator<TSource,TCollection,TResult>(IEnumerable<TSource> source, Func<TSource,
IEnumerable<TCollection>> collectionSelector, Func<TSource, TCollection, TResult> resultSelector)
at bool MoveNext()
at void AddRange(IEnumerable<T> items)
at bool ReserveOrAdd(IEnumerable<T> items)
at TResult[[]] ToArray()
at void CreateManagedReference((ValueTuple<IAssemblySymbol, Compilation> symbol) assemblies, ExtractMetadataConfig
config, DotnetApiOptions options) in DotnetApiCatalog.ManagedReference.cs:19
at async Task <Exec>g__Build|5_0(ExtractMetadataConfig config, DotnetApiOptions options) in DotnetApiCatalog.cs:123
at async Task Exec(MetadataJsonConfig config, DotnetApiOptions options, string configDirectory, string outputDirectory)
in DotnetApiCatalog.cs:75
at void <Execute>b__0() in DefaultCommand.cs:45
at int Run(LogOptions options, Action run) in CommandHelper.cs:48
at int Execute(CommandContext context, Options options) in DefaultCommand.cs:31
at Task<int> Execute(CommandContext context, CommandSettings settings) in CommandOfT.cs:40
at Task<int> Execute(CommandTree leaf, CommandTree tree, CommandContext context, ITypeResolver resolver, IConfiguration
configuration) in CommandExecutor.cs:144
at async Task<int> Execute(IConfiguration configuration, IEnumerable<string> args) in CommandExecutor.cs:83
at async Task<int> RunAsync(IEnumerable<string> args) in CommandApp.cs:84
Here is a (modified) configuration file:
{
"metadata": [{
"src": [{
"files": ["CoreProject.csproj"],
"src": "../"
}, {
"files": ["DependentProject1.csproj", "DependentProject2.csproj"],
"src": "../"
}],
"dest": "api",
"filter": "docfx-filter-config.yml",
"disableGitFeatures": true,
"disableDefaultFilter": false
}],
"build": {
"content": [{
"files": ["**.yml", "**.md"],
"exclude": "docfx-filter-config.yml"
}],
"resource": [{
"files": ["images/**"]
}],
"overwrite": [{
"files": ["**.md"],
"exclude": [
"obj/**",
"bin/**",
"_site/**"
]
}],
"dest": "../public",
"_globalMetadata": {
"_appTitle": "Custom API",
"_enableSearch": true
},
"globalMetadataFiles": [],
"fileMetadataFiles": [],
"template": ["default"],
"postProcessors": [],
"noLangKeyword": false,
"keepFileLink": false,
"cleanupCacheHistory": true,
"disableGitFeatures": true,
"force": true
}
}And here is the filter file referred:
apiRules:
- include:
uidRegex: ^MyCompany\.MyNamespace\.Core.+
- exclude:
uidRegex: _[^.]+$
The command used to invoke the generation is:
./bin/docfx Docs/docfx.json --serve
Context (please complete the following information):
- macOS (Sonoma 14.3.1)
- Linux (
mcr.microsoft.com/dotnet/sdk:7.0docker image). - Docfx version: 2.75.3