https://issues.apache.org/bugzilla/show_bug.cgi?id=57066
Bug ID: 57066
Summary: isapi_redirect.dll is crashing intermittently when
downloading large files
Product: Tomcat Connectors
Version: 1.2.37
Hardware: PC
Status: NEW
Severity: critical
Priority: P2
Component: isapi
Assignee: dev@tomcat.apache.org
Reporter: l...@audiosparx.com
Created attachment 32090
--> https://issues.apache.org/bugzilla/attachment.cgi?id=32090&action=edit
Contains four isapi_redirect.log files taken from server
In trying to use ColdFusion 11 Enterprise in production, we are getting
frequent duplicatable errors in IIS that is crashing the HTTP request, and
eventually killing the application pool. It is occurring right at the point of
where the site is trying to download MP3 files to a the client. Here are
examples of the error we are getting in the isapi_redirect.log file:
[Tue Oct 07 17:57:04.101 2014] [13096:14996] [error]
isapi_write_client::jk_isapi_plugin.c (1406): WriteClient failed with 1229
(0x000004cd)
[Tue Oct 07 18:00:28.277 2014] [13096:3220] [error]
isapi_write_client::jk_isapi_plugin.c (1406): WriteClient failed with 995
(0x000003e3)
It does not happen every time, but it is consistently duplicatable here. This
is a challenge for us because Adobe has deployed a custom version of the Tomcat
connector with ColdFusion 11, so it seems upgrading to the native Tomcat
connector (e.g. 1.2.40) is not an option.
Attached are a few different versions of isapi_redirect.log files taken with
varying levels of log_level info, including one with a "trace" setting. Search
for "WriteClient failed" in any of them to see the error. It seems there is
likely a buffer overrun or something like that happening, causing the connector
to crash.
Here is additional information from the server's event logs (in text and XML):
______________________________________________________________________
Event ID: 5011 Source: WAS
A process serving application pool 'RadioSparx' suffered a fatal communication
error with the Windows Process Activation Service. The process id was '10480'.
The data field contains the error number.
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event";>
- <System>
<Provider Name="Microsoft-Windows-WAS"
Guid="{524B5D04-133C-4A62-8362-64E8EDB9CE40}" EventSourceName="WAS" />
<EventID Qualifiers="32768">5011</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2014-10-08T04:16:51.000000000Z" />
<EventRecordID>1239582</EventRecordID>
<Correlation />
<Execution ProcessID="0" ThreadID="0" />
<Channel>System</Channel>
<Computer>AXC2.navarr.net</Computer>
<Security />
</System>
- <EventData>
<Data Name="AppPoolID">RadioSparx</Data>
<Data Name="ProcessID">10480</Data>
<Binary>6D000780</Binary>
</EventData>
___________________________________________________________________________
Event ID: 5011 Source: WAS
A process serving application pool 'RadioSparx' suffered a fatal communication
error with the Windows Process Activation Service. The process id was '11712'.
The data field contains the error number.
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event";>
- <System>
<Provider Name="Microsoft-Windows-WAS"
Guid="{524B5D04-133C-4A62-8362-64E8EDB9CE40}" EventSourceName="WAS" />
<EventID Qualifiers="32768">5011</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2014-10-08T04:16:50.000000000Z" />
<EventRecordID>1239580</EventRecordID>
<Correlation />
<Execution ProcessID="0" ThreadID="0" />
<Channel>System</Channel>
<Computer>AXC2.navarr.net</Computer>
<Security />
</System>
- <EventData>
<Data Name="AppPoolID">RadioSparx</Data>
<Data Name="ProcessID">11712</Data>
<Binary>6D000780</Binary>
</EventData>
</Event>
________________________________________________________________________
It always looks very similar to the above events.
Please help....we're stuck with this problem and can't move forward to
production.
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