<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am not sure if this is the right list to be emailing issues. If not then please let me know.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a few Windows Server 2008R2 machines that have Shibboleth SP 2.5.0 (Run as 32-bit enabled) installed on them.<o:p></o:p></p><p class=MsoNormal>Every once in awhile, the IIS Default Application Pool will stop. As soon as I log into IIS and start it again, everything works again.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I get the following log entries into the shibd.log:<o:p></o:p></p><p class=MsoNormal>2014-09-05 16:21:28 ERROR Shibboleth.Listener [31]: socket call (unknown) resulted in error (0): No error<o:p></o:p></p><p class=MsoNormal>2014-09-05 16:21:28 ERROR Shibboleth.Listener [31]: I/O failure processing request on socket (420)<o:p></o:p></p><p class=MsoNormal>2014-09-05 16:21:28 ERROR Shibboleth.Listener [32]: error reading size of input message<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I also get some Event Viewer errors: <o:p></o:p></p><p class=MsoNormal>1) Faulting application name: w3wp.exe, version: 7.5.7601.17514, time stamp: 0x4ce7a5f8. Faulting module name: ntdll.dll, version: 6.1.7601.17514, time stamp: 0x4ce7ba58<o:p></o:p></p><p class=MsoNormal>2) The description for Event ID 7701 from source Shibboleth ISAPI Filter cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does anybody have some leads on how to reproduce this issue? I’ve found some issues described online that might be related, but I don’t want to start testing fixes until I’m able to reproduce this issue.<br><br>Thanks,<o:p></o:p></p><p class=MsoNormal>-Chris <o:p></o:p></p></div></body></html>