[Mono-aspnet-list] Mono's OracleClient and OCI makes mod-mono-server crash

Jonathan Vargas jvargas at alkaid.cr
Sat Jan 15 09:28:03 EST 2011


The problem is the one described in:

After some use of the application Mono's OracleClient raises exceptions like

"Could not allocate new OCI Handle of type {0}"

Or it crash with a message like this in apache's error log:

Native stacktrace:

        /opt/novell/mono/bin/mono.bin [0x48a6e9]

        /opt/novell/mono/bin/mono.bin [0x4d621d]
        /lib64/libpthread.so.0 [0x3992e0e4c0]
        /lib64/libpthread.so.0(pthread_mutex_lock+0x13) [0x3992e08293]



Debug info from gdb:

Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries

used by your application.

[Thu Jan 13 13:42:48 2011] [error] (70014)End of file found: read_data failed
[Thu Jan 13 13:42:48 2011] [error] Command stream corrupted, last command was 1

I tested the app with a Oracle Database XE 10g and a Oracle Database Standar
11g2 on different hosts and the problem persists at the web server side. We
also tried using Oracle Database Standar client libs and Oracle Instant
Client ones.

It is not a reproducible, it happens some times, when one exception is
raised the connection behaves strange, a manual restart of apache is

The mono version is 2.6.7 on Red Hat Enterprise 5.3 x64 and Apache 2.2.3.

I'll preciate your help and feedback to determine which could be the cause.

*Jonathan Vargas Rodríguez*
Dirección Ejecutiva
Alkaid · Tecnología para la gente
Teléfonos: 2234 2050, 8703 1060
Web: http://www.alkaid.cr <http://alkaid.cr/>
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E-mail: jvargas at alkaid.cr
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