Hashtable insert failed. Load factor too high. The most common cause is multiple threads writing to the Hashtable simultaneously

暂时也没准确定位到问题

https://support.microsoft.com/zh-cn/help/2803754/hotfix-rollup-2803754-is-available-for-the-.net-framework-4.5-in-windows-7,-windows-server-2008,-windows-server-2008-r2,-and-windows-vista
https://support.microsoft.com/en-us/help/2576011/fix-invalidoperationexception-error-when-a-multithreaded-application-has-high-throughput-in-the-.net-framework-4

.net 3.5 https://support.microsoft.com/zh-cn/help/968432/fix-a-system-invalidoperationexception-exception-occurs-when-you-run-a-web-application-that-is-based-in-the-net-framework-2-0-sp2-or-in-the-net-framework-3-5-sp1
https://social.msdn.microsoft.com/Forums/vstudio/en-US/a3feddfd-ff21-438c-9704-661375f096af/is-that-the-hot-fix-kb2803754-included-in-net-framework-451-version-4550938?forum=clr#a3feddfd-ff21-438c-9704-661375f096af

https://stackoverflow.com/questions/28957705/hashtable-insert-failed-load-factor-too-high-net-4-5/28979478

你是用的 .net 1.1 吗？ 如果是，这是 .net 1.0 版本的一个 bug，参见下面链接，要打个补丁
http://support.microsoft.com/kb/893314
如果是 2.0 ，则是另外一个补丁，参见下面文章
http://blogs.msdn.com/toddca/archive/2007/01/26/hashtable-insert-failed-load-factor-too-high.aspx
补丁的文章是
http://support.microsoft.com/?id=927579
https://stackoverflow.com/questions/9114395/hashtable-insert-failed-load-factor-too-high-asp-net-4-0-mvc3

补丁包 net4.0 https://support.microsoft.com/zh-cn/help/2600211/update-4.0.3-for-microsoft-.net-framework-4-runtime-update

hastable 原理： http://blog.csdn.net/shanghui815/article/details/6094091

list原理： http://www.cnblogs.com/wangqiang3311/p/5868014.html