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POCustom MSBuild Task throws ObjectDisposedException when making a HttpWebRequest
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  1. POCustom MSBuild Task throws ObjectDisposedException when making a HttpWebRequest
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    copied!<p>I am trying to write a custom msbuild task that checks a if a website is available. But when my task end it throws a ObjectDisposedException with the following stack trace.</p> <pre><code> at System.Runtime.InteropServices.SafeHandle.DangerousAddRef(Boolean&amp; success) at System.StubHelpers.StubHelpers.SafeHandleAddRef(SafeHandle pHandle, Boolean&amp; success) at Microsoft.Win32.Win32Native.SetEvent(SafeWaitHandle handle) at System.Threading.EventWaitHandle.Set() at Microsoft.Build.Utilities.ToolTask.ReceiveStandardErrorOrOutputData(DataReceivedEventArgs e, Queue dataQueue, ManualResetEvent dataAvailableSignal) at Microsoft.Build.Utilities.ToolTask.ReceiveStandardOutputData(Object sender, DataReceivedEventArgs e) at System.Diagnostics.Process.OutputReadNotifyUser(String data) at System.Diagnostics.AsyncStreamReader.FlushMessageQueue() at System.Diagnostics.AsyncStreamReader.GetLinesFromStringBuilder() at System.Diagnostics.AsyncStreamReader.ReadBuffer(IAsyncResult ar) at System.Runtime.Remoting.Messaging.AsyncResult.SyncProcessMessage(IMessage msg) at System.Runtime.Remoting.Messaging.StackBuilderSink.AsyncProcessMessage(IMessage msg, IMessageSink replySink) at System.Runtime.Remoting.Proxies.AgileAsyncWorkerItem.DoAsyncCall() at System.Runtime.Remoting.Proxies.AgileAsyncWorkerItem.ThreadPoolCallBack(Object o) at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch() at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback() </code></pre> <p>I don't understand what is causing this behavior. </p> <p>Here is the simplest code snippet that shows the problem.</p> <pre><code>public class CustomTask : Task { public override bool Execute() { Thread.Sleep(10000); return true; } } </code></pre>
 

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