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Subject [Bug 57674] BufferOverflowException in AjpNioProcessor when writing content larger than the underlying buffer
Date Tue, 10 Mar 2015 16:22:50 GMT

--- Comment #9 from Rainer Jung <> ---
(In reply to Christopher Schultz from comment #7)
> Yes, all occurrences of the garbled bytes are the same set of replacement
> bytes:
>   41  42   20  04  03  02  00
>    A   B   sp eot etx  sp nul

AB is the start on a tomcat-to-web-server-packet. The 0x20 and 0x04 are the
length of the packet, so here it is 8196 bytes. Next is packet type 0x03 which
is a body chunk packet. Next is 0x02 0x00 but I think it actually is 0x20 0x00
(see your previous post) which is the chunk size, so here it is 8KB. The rest
is the raw data.

So it looks like the TC AJP connector has somehow framed the response into to
small packets not respecting the configured packet size. It would be
interesting though to see the data before these bytes. Namely whether the
previous AJP packet had the right size, so the "AB" starts right after the
previous packet and the error is on the reassembling side (mod_jk), or whether
th previous packet announced more data than it actually sended and then
"suddenly" a new packet started.



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