[PHP-DEV] PHP 4.0 Bug #8467 Updated: Crash in Tomcat with PHP/Servlet feature From: akilov <email protected>
Date: 12/28/00

ID: 8467
Updated by: akilov
Reported By: akilov <email protected>
Status: Open
Bug Type: Reproduceable crash
Assigned To:
Comments:

Finally figured out how to get a gdb backtrace (sorry, my first time).
Here's the relevant section:

#5 0xd6ec80a8 in open_file_for_scanning (file_handle=0x209ce358,
    compiler_globals=0x20250a38) at ./zend_language_scanner.l:297
#6 0xd6ec78c8 in compile_file (file_handle=0x209ce358, type=2,
    compiler_globals=0x20250a38) at ./zend_language_scanner.l:345
#7 0xd6eafe20 in zend_execute_scripts (type=8, compiler_globals=0x20250a38,
    executor_globals=0x202548a8, file_count=3) at zend.c:738
#8 0xd6f1ab0c in php_execute_script (primary_file=0x209ce358,
    compiler_globals=0x20250a38, executor_globals=0x202548a8,
    core_globals=0x202581d8) at main.c:1209
#9 0xd6f950b8 in Java_net_php_servlet_send (jenv=0x209cef04, self=0x4,
    requestMethod=0x3, queryString=0x0, requestURI=0x2, pathTranslated=0x1,
    contentType=0x0, contentLength=-1, authUser=0x0,
    display_source_mode=0 '\000') at servlet.c:409

Previous Comments:
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[2000-12-28 18:18:57] akilov <email protected>
Trying to get PHP built on AIX with the IBM C compiler.

The setup I used is as follows:

CC=xlc_r
CFLAGS="-ma -g -Dinline= "
CXX=xlC_r
./configure --without-xml --without-mysql --with-servlet --with-java
The JDK level is IBM118.

Had to hack servlet.c and ext/java/config.m4 to make sure the
compile and link work. The change needed to servlet.c is to
rename the sapi_module structure to sapi_module_servlet since
the IBM compiler doesn't allow duplication of struct names. The
ext/java/config.m4 fix is to make it look for libjava.a instead of
the hardcoded libjava.so.

The configure/make/install work with the above setup although
there are quite a few warnings about type conversions and invalid
suffix (.lo).

Start Tomcat and attempt to invoke a PHP file and get a core
and a stack dump which points at open_file_for_scanning.
I tracked it down to the first instantiation of the
istdiostream class. More specifically, in zend_language_scanner.l >>
open_file_for_scanning() in the ZEND_HANDLE_FP case
(ZTS). The file_handle and file_handle->handle.fp are not
null but the file_handle->handle.is assignment never completes.

The native stack contains:

open_file_for_scanning
compile_file
zend_execute_scripts
php_execute_script
Java_net_php_servlet_send

Called from net.php.servlet.service() in Java.

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Full Bug description available at: http://bugs.php.net/?id=8467 

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