[Mono-aspnet-list] issues with intermittent apache hangups

[Sergey Lobko-Lobanovsky]

And here's the stack trace:

System.IndexOutOfRangeException: Array index is out of range.
  at (wrapper stelemref) object:stelemref (object,intptr,object)
  at System.Web.Caching.CacheItemPriorityQueue.Enqueue
(System.Web.Caching.CacheItem item) [0x00000] in <filename unknown>:0
  at System.Web.Caching.Cache.EnqueueTimedItem
(System.Web.Caching.CacheItem item) [0x00000] in <filename unknown>:0
  at System.Web.Caching.Cache.SetItemTimeout
(System.Web.Caching.CacheItem ci, DateTime absoluteExpiration,
TimeSpan slidingExpiration,
System.Web.Caching.CacheItemRemovedCallback onRemoveCallback,
System.Web.Caching.CacheItemUpdateCallback onUpdateCallback,
System.String key, Boolean doLock) [0x00000] in <filename unknown>:0
  at System.Web.Caching.Cache.Insert (System.String key, System.Object
value, System.Web.Caching.CacheDependency dependencies, DateTime
absoluteExpiration, TimeSpan slidingExpiration, CacheItemPriority
priority, System.Web.Caching.CacheItemRemovedCallback
onRemoveCallback, System.Web.Caching.CacheItemUpdateCallback
onUpdateCallback, Boolean doLock) [0x00000] in <filename unknown>:0
  at System.Web.Caching.Cache.Insert (System.String key, System.Object
value, System.Web.Caching.CacheDependency dependencies, DateTime
absoluteExpiration, TimeSpan slidingExpiration, CacheItemPriority
priority, System.Web.Caching.CacheItemRemovedCallback
onRemoveCallback) [0x00000] in <filename unknown>:0
  at System.Web.SessionState.SessionInProcHandler.InsertSessionItem
(System.Web.SessionState.InProcSessionItem item, Int32 timeout,
System.String id) [0x00000] in <filename unknown>:0
  at System.Web.SessionState.SessionInProcHandler.SetAndReleaseItemExclusive
(System.Web.HttpContext context, System.String id,
System.Web.SessionState.SessionStateStoreData item, System.Object
lockId, Boolean newItem) [0x00000] in <filename unknown>:0

------------------------------
*Version information: *Mono Runtime Version: 2.8.1 (tarball Thu Dec 2
05:06:52 CST 2010); ASP.NET Version: 2.0.50727.1433

On Mon, Feb 7, 2011 at 7:16 PM, Sergey Lobko-Lobanovsky <
serge.lobanovsky at gmail.com> wrote:

> Hello folks,
>
> I have an application in production that uses apache2 + mod_mono + nginx
> setup. Approx. once per day apache hangs up and starts responding with the
> 500 response to all requests. I don't have the stack trace but it has to do
> with caching session data.
>
> Restarting apache solves the problem. Did anyone experience anything like
> this?
>
>
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