Han Ming Ong wrote: > Folks, > I'm trying to trace down a TCP_NODELAY problem and wanted to see if > it exists on the latest connector mod_jk2. So I configured Apache > 2.0.42, Tomcat 4.1.12 and downloaded > jakarta-tomcat-connectors-4.1.12-src. I managed to use GNU's libtoolize > to configure (./configure --with-apxs2=/usr/local/apache2/bin/apxs > --with-apr-lib=/usr/local/apache2/lib > --with-apr-include=/usr/local/apache2/include > --with-tomcat1=/usr/local/jakarta-tomcat-4.1.12). > > The compilation was successful and I copied mod_jk2.so to > /usr/local/apache2/modules. I configured httpd.conf to load the module > and appended the following: > > <IfModule mod_jk2.c> > JkSet "config.file" "/usr/local/apache2/conf/workers2.properties" > </IfModule> > > I added a super simple workers2.properties file in the same dir and > tried to start apache. I got a seg fault. Here's the stacktrace from Mac > OS X default crash logger: > > Command: httpd > PID: 853 > > Exception: EXC_BAD_ACCESS (0x0001) > Codes: KERN_INVALID_ADDRESS (0x0001) at 0x736f0028 > > Thread 0 Crashed: > #0 0x90001600 in strlen > #1 0x900023e0 in vfprintf > #2 0x90015ee0 in __sbprintf > #3 0x900018a8 in vfprintf > #4 0x900017ec in fprintf > #5 0x0060fdbc in jk2_map_default_get (jk_map.c:97) <-- it's '97' > because I added printf > #6 0x0060df50 in jk2_env_createBean2 (jk_env.c:218) > #7 0x0061ee0c in jk2_create_config (mod_jk2.c:351) > #8 0x0002214c in ap_single_module_configure (config.c:1845) > #9 0x00007ad8 in load_module (mod_so.c:337) > #10 0x00020308 in invoke_cmd (config.c:749) > #11 0x000213d0 in execute_now (config.c:1347) > #12 0x00020a40 in ap_build_config_sub (config.c:944) > #13 0x00020f68 in ap_build_config (config.c:1151) > #14 0x000218f0 in ap_process_resource_config (config.c:1556) > #15 0x000220e8 in ap_read_config (config.c:1834) > #16 0x0000c184 in main (main.c:615) > #17 0x00001ae0 in _start (crt.c:267) > #18 0x00001960 in start > > > Here's output with some printf statements inserted in jk_map.c: > entering for threadMutex (no. maps: 25) > 0: logger.file (°Z°Z°Z°Z°Z°Z) <- funny output is from > fprintf(stderr,"%s", mPriv->values[i]) > 1: logger.win32 (°Z°Z°Z°Z°Z) > 2: workerEnv (°Z°ZA°Z°Z) > 3: uriMap (°Z°Za°Z°Z) > 4: uriEnv (°Z°ZA°Z°Z) > 5: endpoint (°Z°ZA°Z°Z) > 6: uri (°Z°ZA°Z°Z) > 7: config (°Z°Z°Z°Z°Z°Z) > 8: ajp13 (°Z°ZA°Z°Z) > 9: lb (,) > 10: status (°Z°Z°Z°Z°Z) > 11: run (,) > 12: channel.un (°Z°ZA°Z°Z) > 13: channel.apr (°Z°ZA°Z°Z) > 14: shm (°Z°Z°Z°Z°Z°Z) > 15: channel.socket (°Z°ZA°Z°Z) > 16: handler.response (°Z°Z°Z°Z°Z°Z) > 17: handler.logon (°Z°Z°Z°Z°Z°Z) > 18: threadMutex (°Z°Z°Z°Z°Z°Z) > done for threadMutex > entering for logger.apache2: (no. maps: 1) > 0: threadMutex:0 () > done for logger.apache2: > ... > ... > entering for uri:/examples/* (no. maps: 19) > 0: threadMutex:0 () > 1: logger.apache2: () > 2: logger.apache2 () > 3: logger () > 4: uriMap: () > 5: uriMap () > 6: config: () > 7: config () > 8: shm: () > 9: shm () > 10: workerEnv: () > 11: workerEnv () > 12: uri: () > 13: uri () > 14: threadMutex:1 () > 15: threadMutex:2 () > 16: threadMutex:3 () > 17: ajp13:localhost:8009 () > 18: channel.socket:localhost:8009 () > done for uri:/examples/* > entering for uri (no. maps: 26) > 0: logger.file (°Z°Z°Z°Z°Z°Z) > 1: logger.win32 (°Z°Z°Z°Z°Z) > 2: workerEnv (°Z°ZA°Z°Z) > 3: uriMap (°Z°Za°Z°Z) > 4: uriEnv (°Z°ZA°Z°Z) > 5: endpoint (°Z°ZA°Z°Z) > 6: uri (°Z°ZA°Z°Z) > done for uri > entering for workerEnv (no. maps: 19) > 0: threadMutex:0 () > 1: logger.apache2: () > 2: logger.apache2 () > 3: logger () > 4: uriMap: () > 5: uriMap () > 6: config: () > 7: config () > 8: shm: () > 9: shm () > 10: workerEnv: () > 11: workerEnv () > done for workerEnv > entering for ver (no. maps: 1) > 0: worker (ajp13:localhost:8009) > done for ver > [here it churns for a few seconds before segfaulting] > bin/apachectl: line 87: 853 Segmentation fault $HTTPD -k $ARGV > > Anyone has a clue on what could be wrong? Just pointers would help. > I tried following the stack trace but am temporarily thrown off by how > jk2_env_createBean2() gets to jk2_map_default_get(), especially the > second parameter's type. It seems to be casted from (char *) to > (jk_map_t *), which is kind of weird.
mPriv is NULL or wrongly align. > > Appreciate it. > > Han Ming > > > #------------------------ workers2.properties > -------------------------------- > > # Shared memory handling. Needs to be set. > [shm] > file=/usr/local/apache2/logs/shm.file > size=1048576 > > # Example socket channel, explicitly set port and host. > [channel.socket:localhost:8009] > port=8009 > host=127.0.0.1 > #keepalive=1 > > # define the worker > [ajp13:localhost:8009] > # channel=channel.un:/usr/local/tomcat/work/jk2.socket > # To use the TCP/IP socket instead, just comment out the above > # line, and uncomment the one below > channel=channel.socket:localhost:8009 > > # Announce a "status" worker > [status:status] > > # Uri mapping > [uri:/examples/*] > worker=ajp13:localhost:8009 > #worker=ajp13:/usr/local/tomcat/work/jk2.socket > > [uri:/jkstatus/*] > worker=status:status > > #---- end of workers2.properties > > > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
