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Description
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FULL PRODUCT VERSION :
Java(TM) Plug-in: Version 1.3.1_02
Using JRE version 1.3.1_02 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\amilkowski
FULL OPERATING SYSTEM VERSION :
customer Windows XP
Professional
Version 2002
EXTRA RELEVANT SYSTEM CONFIGURATION :
Java(TM) Plug-in: Version 1.3.1_02
Using JRE version 1.3.1_02 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\amilkowski
A DESCRIPTION OF THE PROBLEM :
in the applet environment when using URLConnection class
method openConnection AND setting setUseCaches to true
fails to return HTTP response headers (jpg & gif MIME types)
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. using IE6 enabled with Java-Plug 1.3.1_02 open url
containing Applet tag pointing to test applet (attache) i.e
2. make sure all MIME resources are present as follows:
http://127.0.0.1/classes/ulogo.jpg
http://127.0.0.1/classes/faceimg.gif
you can use any jpg, gif, an applet need to
be recompiled to point to new resource names
Note that , if the MIME resource does not exist, (404 HTTP
Status code will be returned as expected, what is not
working is when the resource exists, and should return 200
HTTP status code)
2. note two outputs in the java console (one with
setUseCache set to true, HTTP Headers not returned, the
second output with setUseCache set to false, working fine)
EXPECTED VERSUS ACTUAL BEHAVIOR :
setting setUseCache to true with URClonnection method
openConnection should return valid HTTP response headers
instead following java console output is returned:
(for MIME types: gif & jpg)
Java(TM) Plug-in: Version 1.4.0
Using JRE version 1.4.0 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\amilkowski
Proxy Configuration: No proxy
----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
p: reload proxy configuration
q: hide console
r: reload policy configuration
s: dump system properties
t: dump thread list
x: clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------
java.lang.InternalError: unimplemented
at sun.awt.windows.WEmbeddedFrame.print(Unknown
Source)
setUseCaches set to true
uri:http://127.0.0.1/classes/ulogo.jpg
java.lang.InternalError: unimplemented
at sun.awt.windows.WEmbeddedFrame.print(Unknown
Source)
HTTP::RESPONSE Header[0]: HTTP-Status=null
uri:http://127.0.0.1/classes/faceimg.gif
HTTP::RESPONSE Header[0]: HTTP-Status=null
uri:http://127.0.0.1/classes/testapplet.zip
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:49 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Mon, 18 Mar 2002
16:46:19 GMT
HTTP::RESPONSE HEADER[4]ETag="0-a20-3c9619db"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=2592
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=application/zip
uri:http://127.0.0.1/classes/testapplet.jar
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:49 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Mon, 18 Mar 2002
16:47: customer GMT
HTTP::RESPONSE HEADER[4]ETag="0-a20-3c961a06"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=2592
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=text/plain
uri:http://127.0.0.1/classes/test.html
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:49 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Mon, 18 Mar 2002
16:25:39 GMT
HTTP::RESPONSE HEADER[4]ETag="0-127-3c961503"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=295
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=text/html
setUseCaches set to false
uri:http://127.0.0.1/classes/ulogo.jpg
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:49 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Tue, 12 Feb 2002
19:03:00 GMT
HTTP::RESPONSE HEADER[4]ETag="0-71c-3c6966e4"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=1820
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=image/jpeg
uri:http://127.0.0.1/classes/faceimg.gif
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:49 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Tue, 12 Feb 2002
19:03:00 GMT
HTTP::RESPONSE HEADER[4]ETag="0-63f1-3c6966e4"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=25585
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=image/gif
uri:http://127.0.0.1/classes/testapplet.zip
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:49 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Mon, 18 Mar 2002
16:46:19 GMT
HTTP::RESPONSE HEADER[4]ETag="0-a20-3c9619db"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=2592
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=application/zip
uri:http://127.0.0.1/classes/testapplet.jar
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:50 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Mon, 18 Mar 2002
16:47: customer GMT
HTTP::RESPONSE HEADER[4]ETag="0-a20-3c961a06"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=2592
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=text/plain
uri:http://127.0.0.1/classes/test.html
HTTP::RESPONSE Header[0]: HTTP-Status=HTTP/1.1 200 OK
HTTP::RESPONSE HEADER[1]Date=Mon, 18 Mar 2002 18:06:50 GMT
HTTP::RESPONSE HEADER[2]Server= customer /1.3.23 (Win32) mod_jk
HTTP::RESPONSE HEADER[3]Last-Modified=Mon, 18 Mar 2002
16:25:39 GMT
HTTP::RESPONSE HEADER[4]ETag="0-127-3c961503"
HTTP::RESPONSE HEADER[5]Accept-Ranges=bytes
HTTP::RESPONSE HEADER[6]Content-Length=295
HTTP::RESPONSE HEADER[7]Keep-Alive=timeout=15, max=100
HTTP::RESPONSE HEADER[8]Connection=Keep-Alive
HTTP::RESPONSE HEADER[9]Content-Type=text/html
This bug can be reproduced always.
Test Case Attached
---------- END SOURCE ----------
(Review ID: 144321)
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Evaluation
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Disable "cache" option from Plugin Control Panel, problem disappears. So, I think it is a caching bug.
xxxxx@xxxxx 2002-04-22
Decommitting from hopper-beta. After further evaluation, this bug only
occurs in a limited circumstance. This does not meet the showstopper
criteria.
xxxxx@xxxxx 2002-05-07
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