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Server Error in '/BBS' Application. Probable I/O race condition detected while copying memory. The I/O package is not thread safe by default. In multithreaded applications, a stream must be accessed in a thread-safe way, such as a thread-safe wrapper returned by TextReader's or TextWriter's Synchronized methods. This also applies to cl***es like StreamWriter and StreamReader. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IndexOutOfRangeException: Probable I/O race condition detected while copying memory. The I/O package is not thread safe by default. In multithreaded applications, a stream must be accessed in a thread-safe way, such as a thread-safe wrapper returned by TextReader's or TextWriter's Synchronized methods. This also applies to cl***es like StreamWriter and StreamReader.

Source Error:

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL: 1. Add a "Debug=true" directive at the top of the file that generated the error. Example:   <%@ Page Language="C#" Debug="true" %> or: 2) Add the following section to the configuration file of your application: <configuration>   <system.web>       <compilation debug="true"/>   </system.web> </configuration> Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode. Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario.

Stack Trace:

[IndexOutOfRangeException: Probable I/O race condition detected while copying memory. The I/O package is not thread safe by default. In multithreaded applications, a stream must be accessed in a thread-safe way, such as a thread-safe wrapper returned by TextReader's or TextWriter's Synchronized methods. This also applies to cl***es like StreamWriter and StreamReader.]  System.Buffer.InternalBlockCopy(Array src, Int32 srcOffset, Array dst, Int32 dstOffset, Int32 count) +0  System.IO.FileStream.Read(Byte[] array, Int32 offset, Int32 count) +265  Discuz.Forum.PHCZIP.IndexInfoAtPos(UInt32 Index_Pos) +82  Discuz.Forum.PHCZIP.GetAddressWithIP(String IPValue) +51  Discuz.Forum.IpSearch.GetAddressWithIP(String IPValue) +38  ASP.aspx_8_forumindex_aspx.OnInit(EventArgs e) +21487  System.Web.UI.Control.InitRecursive(Control namingContainer) +321  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +692