[Log4cplus-devel] [log4cplus:bugs] #343 Crash on app exit

[Václav H. <wi...@us...>]

- **labels**: java, v1.2.0, c++11, threads, mutex --> java, v1.2.0, c++11, threads, mutex, fixed
- **status**: open --> closed



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** [bugs:#343] Crash on app exit**

**Status:** closed
**Group:** v1.2.0
**Labels:** java v1.2.0 c++11 threads mutex fixed 
**Created:** Fri Jun 23, 2017 03:02 PM UTC by Ralf Sieger
**Last Updated:** Wed Jul 12, 2017 10:54 AM UTC
**Owner:** Václav Haisman
**Attachments:**

- [log4cplus_debug_hs_err_pid11184.log](https://sourceforge.net/p/log4cplus/bugs/343/attachment/log4cplus_debug_hs_err_pid11184.log) (23.5 kB; application/octet-stream)
- [log4cplus_release_hs_err_pid10836.log](https://sourceforge.net/p/log4cplus/bugs/343/attachment/log4cplus_release_hs_err_pid10836.log) (23.9 kB; application/octet-stream)


log4cplus:

* 1.2.0
* Visual Studio 2012
* config: release and debug
* windows 10, i7 4770

client:

* 32 bit Java 7 application
* log4cplus as dll
* log4cplus.lib and log4cplusD.lib
* multibyte chars
* see attached logfiles
* client DLL compile settings: no MFC, no ATL, multibyte charset, /MDd and /MD

We use log4cplus in an custom C++ dll which itself gets dynamically loaded in java program.
during the runtime everything works ok.
At application exit we see an java hotspot error (see logs). 
This happens with and without calling `log4cplus::Logger::shutdown();`
The problem also occurs if nothing but `log4cplus::initialize();` and `log4cplus::Logger::shutdown();` are called.

From the hotspot error it looks like an cleanup issue:

~~~
Stack: [0x46760000,0x467b0000],  sp=0x467aee5c,  free space=315k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C  [ntdll.dll+0xecc94]
C  [ntdll.dll+0x9683a]
C  [KERNEL32.DLL+0x1dbb9]
C  [MSVCR110.dll+0x9fa77]
C  [MSVCR110.dll+0x4defc]
C  [MSVCR110.dll+0x4f4cf]
C  [MSVCR110.dll+0x2431b]
C  [MSVCR110.dll+0x243dc]
C  [MSVCR110.dll+0x16629]
C  [MSVCR110.dll+0x6a312]
C  [MSVCP110.dll+0x2e2d8]
C  [MSVCP110.dll+0x2e47e]
C  [log4cplus.dll+0x229b]  log4cplus::thread::SyncGuard<log4cplus::thread::Mutex>::SyncGuard<log4cplus::thread::Mutex>+0x2b
C  [log4cplus.dll+0x3f1dd]  log4cplus::spi::ObjectRegistryBase::clear+0x2d
C  [log4cplus.dll+0x14225]  log4cplus::`anonymous namespace'::DefaultContext::~DefaultContext+0x45
C  [log4cplus.dll+0x143a5]  log4cplus::`anonymous namespace'::destroy_default_context::~destroy_default_context+0x25
C  [log4cplus.dll+0x559cd]  log4cplus::`anonymous namespace'::`dynamic atexit destructor for 'destroy_default_context_''+0xd
C  [log4cplus.dll+0x4e002]  _CRT_INIT+0xc1
C  [log4cplus.dll+0x4e228]  __DllMainCRTStartup+0xcf
C  [log4cplus.dll+0x4e152]  _DllMainCRTStartup+0x1c
~~~


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