So this implies that 5.5.27 has this fixed and 6.0.18 does not. I'll make a note of that.
Thanks, Glen -----Original Message----- From: George Sexton [mailto:geor...@mhsoftware.com] Sent: Friday, May 01, 2009 2:45 PM To: Tomcat Users List Subject: Re: GZIP Comrpession Problem FYI, I tested this on 5.5.27 using the HTTP 1.1 connector and a 77K javascript file and I got 77K uncompressed, and 26K compressed. Glen Goodwin wrote: > I have determined that any file larger than 48k is not getting compressed > regardless of mime type. I will be submitting this as a bug. > > BUG TITLE > > Tomcat Compression limited to 48K > > CONFIGURATION > > Windows XP (SP3) > Apache Tomcat 6.0.18 > Java 1.6.0_13-b03 > > SPECIAL TOMCAT SETTINGS > > Set on the Connector: > > compression="force" > > > compressableMimeType="text/html,text/xml,text/plain,text/css,text/javascript > , > text/json,application/json" > > noCompressionUserAgents="gozilla, traviata" > > TEST CASE > > 1). Create a file exactly 48K in size somewhere in your tomcat structure > that is accessible to the outside. > > 2). Execute the following CURL command. (CURL required) > > curl -s -o nul: -H "Pragma: no-cache" -H "Cache-Control: no-cache" -w " > Bytes Uncompressed ... %{size_download}\n" <INSERT URL TO FILE HERE> > > 3). Make a note of the uncompressed file size. > > 4). Execute the following CURL command. > > curl -s -o nul: -H "Pragma: no-cache" -H "Cache-Control: no-cache" -w " > Bytes Uncompressed ... %{size_download}\n" --compressed <INSERT URL TO FILE > HERE> > > 5). Make a note of the compressed file size. > > 6). Add exactly one byte the file from step #1. > > 7). Wait 10 seconds or so to allow your tomcat install time to notice the > changed file. > > 8). Execute the following CURL command. (CURL required) > > curl -s -o nul: -H "Pragma: no-cache" -H "Cache-Control: no-cache" -w " > Bytes Uncompressed ... %%{size_download}\n" <INSERT URL TO FILE HERE> > > 9). Make a note of the uncompressed file size. > > 10). Execute the following CURL command. > > curl -s -o nul: -H "Pragma: no-cache" -H "Cache-Control: no-cache" -w " > Bytes Uncompressed ... %%{size_download}\n" --compressed <INSERT URL TO FILE > HERE> > > 11). Make a note of the compressed file size. > > OBSERVATION > > The uncompressed and compressed numbers from steps 3 and 5 are different, as > expected. The uncompressed and compressed numbers from steps 7 and 9 are > the same. This indicates that for any file in excess of 49152 bytes > (exactly 48k), compression is not being used. > > DESIRED RESULTS > > Compression should be used regardless of file size. > > TEST SCRIPT > > I have included a sample Batch Script which will perform this test case. > The script will run on Windowx XP and requires CURL and PING installed and > configured into the PATH. > > @ECHO off > > REM SETUP VARS > SET FILENAME=test.css > SET CURLOPTS=-s -o nul: -H "Pragma: no-cache" -H "Cache-Control: no-cache" > SET URL=localhost/idp/%FILENAME% > > echo. > echo Performing Test Case for 48K Maximum Size Limit on Tomcat Compression. > echo. > echo Please be patient during test as some test may take a minute or so > echo to run to completion. > > echo. > echo Testing file of 48k... > DEL %FILENAME% /Q > nul: 2>&1 > call :writefirst > call :wait 10 > call :test > > echo. > echo Testing file of 48k plus 1 byte. > DEL %FILENAME% /Q > nul: 2>&1 > call :writesecond > call :wait 10 > call :test > > del %FILENAME% /y > nul: 2>&1 > > echo. > echo Test Complete. > GOTO :EOF > > REM Function for performing the test. > :test > CURL %CURLOPTS% -w " Bytes Uncompressed ... %%{size_download}\n" %URL% > CURL %CURLOPTS% -w " Bytes Compressed ..... %%{size_download}\n" > --compressed %URL% > GOTO :EOF > > REM Function for waiting N seconds, requires PING in the path. N is > specified in the %1 parameter > :wait > PING 127.0.0.1 -n %1 -w 1000 > nul > GOTO :EOF > > :writefirst > call :writesixteenk > call :writesixteenk > call :writesixteenk > goto :EOF > > :writesecond > call :writesixteenk > call :writesixteenk > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > echo //twelve bytes-twelve bytes-twelve bytes-twelve > bytes.........1>>%FILENAME% > goto :EOF > > :writesixteenk > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > call :writeonek > goto :EOF > > :writeonek > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > call :writesixtyfourbytes > :goto EOF > > :writesixtyfourbytes > echo //twelve bytes-twelve bytes-twelve bytes-twelve > bytes.........>>%FILENAME% > goto :EOF > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > -- George Sexton MH Software, Inc. Voice: +1 303 438 9585 URL: http://www.mhsoftware.com/ --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
