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fix NullReferenceException #335

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merged 1 commit into from
May 5, 2019
Merged

fix NullReferenceException #335

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9 changes: 2 additions & 7 deletions src/DotNetCore.CAP/Diagnostics/TracingHeaders.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ namespace DotNetCore.CAP.Diagnostics
{
public class TracingHeaders : IEnumerable<KeyValuePair<string, string>>
{
private List<KeyValuePair<string, string>> _dataStore;
private List<KeyValuePair<string, string>> _dataStore = new List<KeyValuePair<string, string>>();

public IEnumerator<KeyValuePair<string, string>> GetEnumerator()
{
Expand All @@ -23,11 +23,6 @@ IEnumerator IEnumerable.GetEnumerator()

public void Add(string name, string value)
{
if (_dataStore == null)
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{
_dataStore = new List<KeyValuePair<string, string>>();
}

_dataStore.Add(new KeyValuePair<string, string>(name, value));
}

Expand All @@ -46,4 +41,4 @@ public void Cleaar()
_dataStore?.Clear();
}
}
}
}