[SR-Users] app_java issue

Fri Sep 12 00:33:08 CEST 2014

Tom, could you please provide a chunk of java code with pure initialization?

2014-09-12 0:24 GMT+04:00 Daniel-Constantin Mierla <miconda at gmail.com>:

>  I can't help more with configuring and using app_java, because I am not
> using it. Maybe Konstantin can lead further.
>
> If you get a core dump, then you can send the backtrace taken with gdb to
> see where the crash happened.
>
> It is no longer the previous crash, which was a buffer overflow.
>
> Cheers,
> Daniel
>
>
> On 11/09/14 21:26, Tom Johnson wrote:
>
>  Sorry, did not see that it was actual a fix to the crash.  Anyway, guess
> I’m having all sorts of issues with the app_java module.   If the
> –Djava.class.path is not the first parameter, the classpath does not appear
> to be set.  After switching to just one parameter, the “child_init”
> function appears to be called with all sorts of ranks and then Kamailio
> crashes.  My java code just logs it (using log4j) and returns 1.  Also, the
> log4j log only showed the -127 being called.
>
>
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: app_java
> [java_mod.c:125]: mod_init(): Initializing Java VM with options:
> -Djava.class.path=/opt/microautomation/i3/I3Notifier.jar:/opt/kamailio/java/kamailio.jar:/opt/microautomation/i3/lib/log4j-1.2.16.jar
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: app_java
> [java_mod.c:146]: mod_init(): app_java: Java VM initialization OK
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: app_java
> [java_mod.c:198]: mod_init(): app_java: module initialization OK
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: <core>
> [udp_server.c:176]: probe_max_receive_buffer(): INFO: udp_init: SO_RCVBUF
> is initially 124928
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: <core>
> [udp_server.c:227]: probe_max_receive_buffer(): INFO: udp_init: SO_RCVBUF
> is finally 524288
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: <core>
> [udp_server.c:176]: probe_max_receive_buffer(): INFO: udp_init: SO_RCVBUF
> is initially 124928
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: <core>
> [udp_server.c:227]: probe_max_receive_buffer(): INFO: udp_init: SO_RCVBUF
> is finally 524288
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: -127
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: app_java
> [java_mod.c:242]: child_init(): Child initialized, returning: 1
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15976]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 1
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15977]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 2
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15981]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 4
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15984]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 6
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15961]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 0
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15986]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 8
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15985]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 7
>
> Sep 11 15:17:07 MAIFREEPBX abrt[15994]: Can't open 'core.15981':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[15997]: Can't open 'core.15976':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[15996]: Can't open 'core.15977':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[15996]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15988]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: -1
>
> Sep 11 15:17:07 MAIFREEPBX abrt[15997]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15980]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 3
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15983]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: 5
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16002]: Can't open 'core.15984':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16002]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16003]: Can't open 'core.15986':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16003]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16004]: Can't open 'core.15983':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16004]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15989]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: -1
>
> Sep 11 15:17:07 MAIFREEPBX /usr/local/sbin/kamailio[15993]: INFO: app_java
> [java_mod.c:211]: child_init(): Initializing child with rank: -2
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16007]: Can't open 'core.15961':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16007]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX kamailio: ERROR: <core> [daemonize.c:307]:
> daemonize(): Main process exited before writing to pipe
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16008]: Can't open 'core.15988':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16008]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16009]: Can't open 'core.15985':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16009]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16010]: Can't open 'core.15980':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16010]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16012]: Can't open 'core.15993':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16013]: Can't open 'core.15989':
> Permission denied
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16013]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:07 MAIFREEPBX abrt[16012]: Not saving repeating crash in
> '/usr/local/sbin/kamailio'
>
> Sep 11 15:17:08 MAIFREEPBX abrt[15994]: Saved core dump of pid 15981
> (/usr/local/sbin/kamailio) to
> /var/spool/abrt/ccpp-2014-09-11-15:17:07-15981 (152424448 bytes)
>
> Sep 11 15:17:08 MAIFREEPBX abrtd: Directory
> 'ccpp-2014-09-11-15:17:07-15981' creation detected
>
> Sep 11 15:17:40 MAIFREEPBX abrtd: Sending an email...
>
> Sep 11 15:17:40 MAIFREEPBX abrtd: Email was sent to: root at localhost
>
> Sep 11 15:17:41 MAIFREEPBX abrtd: New problem directory
> /var/spool/abrt/ccpp-2014-09-11-15:17:07-15981, processing
>
> Sep 11 15:17:41 MAIFREEPBX abrtd: No actions are found for event 'notify'
>
>
>
> *From:* Konstantin M. [mailto:evilzluk at gmail.com <evilzluk at gmail.com>]
> *Sent:* Thursday, September 11, 2014 3:04 PM
> *To:* Tom Johnson
> *Cc:* Kamailio (SER) - Users Mailing List
> *Subject:* Re: [SR-Users] app_java issue
>
>
>
> Hello,
>
> Please take a look to:
> Sep 11 12:48:12 MAIFREEPBX /usr/local/sbin/kamailio[870]: ERROR: app_java
> [java_support.c:174]: handle_exception(): Exception:#012Exception in thread
> "main" java.lang.NoClassDefFoundError: KamailioPlugin#012    <<No
> stacktrace available>>Exception in thread "main"
> java.lang.ClassNotFoundException: KamailioPlugin#012    at
> java.net.URLClassLoader$1.run(URLClassLoader.java:372)#012    at
> java.net.URLClassLoader$1.run(URLClassLoader.java:361)#012    at
> java.security.AccessController.doPrivileged(Native Method)#012    at
> java.net.URLClassLoader.findClass(URLClassLoader.java:360)#012    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:424)#012    at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)#012    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:357)Exception in thread
> "main" java.lang.NoClassDefFoundError: KamailioPlugin#012    <<No
> stacktrace available>>Exception in thread "main"
> java.lang.ClassNotFoundException: KamailioPlugin#012    at
> java.net.URLClassLoader$1.run(URLClassLoader.java:372)#012    at
> java.net.URLClassLoader$1.run(URLClassLoader.java:361)#012    at
> java.security.AccessController.doPrivileged(Native Method)#012    at
> java.net.URLClassLoader.findClass(URLClassLoader.java:360)#012    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:424)#012    at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)#012    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> Sep 11 12:48:12 MAIFREEPBX /usr/local/sbin/kamailio[870]: ERROR: <core>
> [sr_module.c:970]: init_mod(): init_mod(): Error while initializing module
> app_java (/usr/local/lib64/kamailio/modules/app_java.so)
>
>  To Daniel-Constantin, I didn't tested this yet but seems fine to me.
> Thank you for fix.
>
>
>
>
> --
> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Next Kamailio Advanced Trainings 2014 - http://www.asipto.com
> Sep 22-25, Berlin, Germany
>
>
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