Hi All,
We have been running into different issues with jk2 concerning shared memory
(on Solaris 8)
Calls to the function jk2_shm_create fail logging the following in the
jk2.log file,
[Mon Feb 23 12:12:00 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/shm.file 2117728 2117992 0x16
[Mon Feb 23 12:12:00 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/shm.file
[Mon Feb 23 12:12:00 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/shm.file 3864680 0 16
[Mon Feb 23 12:12:00 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/shm.file
[Mon Feb 23 12:12:03 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/shm.file 4382816 4383080 0x16
[Mon Feb 23 12:12:03 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/shm.file
[Mon Feb 23 12:12:03 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/shm.file 5124200 0 16
[Mon Feb 23 12:12:03 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/shm.file
On investigation it appears that there are some casting issues in this
function on the line,
/* Now mmap it
*/
rc=apr_mmap_create( &aprMmap, file, (apr_off_t)0,
(apr_size_t)finfo.size, APR_MMAP_READ |
APR_MMAP_WRITE,
globalShmPool );
if( rc!=JK_OK ) {
char error[256];
apr_strerror( rc, error, 256 );
>> env->l->jkLog(env, env->l, JK_LOG_ERROR,
>> "shm.create(): error creating %s %d %d %#lx %s\n",
>> shm->fname, finfo.size, rc, globalShmPool, error );
shm->privateData=NULL;
return rc;
}
As some of these fields are long's when build with large file support, on
solaris 2.8,
Changing the code to:
/* Now mmap it
*/
rc=apr_mmap_create( &aprMmap, file, (apr_off_t)0,
(apr_size_t)finfo.size, APR_MMAP_READ |
APR_MMAP_WRITE,
globalShmPool );
if( rc!=JK_OK ) {
char error[256];
apr_strerror( rc, error, 256 );
>> env->l->jkLog(env, env->l, JK_LOG_ERROR,
>> "shm.create(): error creating %s %d %d %#lx %s\n",
>> shm->fname, (int) finfo.size, rc, globalShmPool,
error );
shm->privateData=NULL;
return rc;
}
Reports the error better, but unfortunately it still fails to mmap correctly
(we changed the filename) ????
Mon Feb 23 15:21:42 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/cr.sandwich.pfizer.com_81.shm 2117992 22 0x1f5020 Invalid
argument
[Mon Feb 23 15:21:42 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/cr.sandwich.pfizer.com_81.shm
[Mon Feb 23 15:21:42 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/cr.sandwich.pfizer.com_81.shm 0 22 0x1f5020 Invalid argument
[Mon Feb 23 15:21:42 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/cr.sandwich.pfizer.com_81.shm
[Mon Feb 23 15:21:46 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/cr.sandwich.pfizer.com_81.shm 4383080 22 0x41e020 Invalid
argument
[Mon Feb 23 15:21:46 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/cr.sandwich.pfizer.com_81.shm
[Mon Feb 23 15:21:46 2004] (error ) [jk_shm.c (199)] shm.create(): error
creating /tmp/cr.sandwich.pfizer.com_81.shm 0 22 0x41e020 Invalid argument
[Mon Feb 23 15:21:46 2004] (error ) [jk_shm.c (274)] shm.create(): error
mmapping /tmp/cr.sandwich.pfizer.com_81.shm
(We changed the shared memory file name).
Are we doing something wrong, or is this a buglet.
Regards & Thanks.
Greg Cope
GCS Ltd
Assign to: CIT, Sandwich - ISG
Phone: (44) 01304 642040
Fax: (44) 01304 652118
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