Re: jcc dll loading error

Sat, 26 May 2012 12:48:35 -0700 


On Sat, 26 May 2012, Mark Finkelstein wrote:


That solved it; apparently it wasnt using the CLASSPATH variable to get
this information, but specifying it directly solved this. Hopefully this
will be one of the last errors; after pushing forward, I found myself

C:\MinGW\bin\gcc.exe -mdll -O -Wall -DPYTHON -DJCC_VER="2.13"
-D_java_generics -IX:\Java16/include -IX:\Java16/include/win32
-Ibuild\_CMMCore2 -IC:\Python26\lib\site-packages\jcc\sources
-IC:\Python26\include -IC:\Python26\PC -c build\_CMMCore2\CMMCore2.cpp -o
build\temp.win32-2.6\Release\build\_cmmcore2\cmmcore2.o /EHsc
/D_CRT_SECURE_NO_WARNINGS
gcc: error: /EHsc: No such file or directory
gcc: error: /D_CRT_SECURE_NO_WARNINGS: No such file or directory
error: command 'gcc' failed with exit status 1

Perhaps this is more meant for a cygwin installation, but is there a way to
make this work for the cmd prompt?
You've configured JCC to work with a Microsoft Visual C++ compiler but you're using gcc via MinGW. I can't help you with that configuration as I don't have it but MinGW has been used with JCC before and someone on this list should be able to help you.
You might want to search the list archives, this question has come up before. 

Andi..



Also, so many thanks in regards to the help you've given me; I definitely
wouldnt have been able to move forward without it.

On Sat, May 26, 2012 at 6:24 PM, Andi Vajda <va...@apache.org> wrote:



On May 26, 2012, at 1:30, Mark Finkelstein <finkel.m...@gmail.com> wrote:


Apparently the correct (I think) command is:

python -m jcc.__main__ --find-jvm-dll

But if I use this I get:

C:\Users\avastmatey>python -m jcc.__main__ --find-jvm-dll --jar

"C:\Program

Files\Micro-Manager-1.4\plugins\Micro-Manager\MMCoreJ.jar"
MMCoreJ.jar path = C:\Program
Files\Micro-Manager-1.4\plugins\Micro-Manager\MMCo
reJ.jar
C:\Program Files\Micro-Manager-1.4\plugins\Micro-Manager
C:\Program Files\Micro-Manager-1.4\plugins
C:\Program Files\Micro-Manager-1.4\plugins\mm\win32
C:\Program Files\Micro-Manager-1.4
C:\Program Files\Micro-Manager-1.4\mm\win32
Traceback (most recent call last):
 File "C:\Python26\Lib\runpy.py", line 122, in _run_module_as_main
   "__main__", fname, loader, pkg_name)
 File "C:\Python26\Lib\runpy.py", line 34, in _run_code
   exec code in run_globals
 File "C:\Python26\lib\site-packages\jcc\__main__.py", line 104, in
<module>
   cpp.jcc(sys.argv)
 File "C:\Python26\lib\site-packages\jcc\cpp.py", line 632, in jcc
   generics, _dll_export)
 File "C:\Python26\lib\site-packages\jcc\cpp.py", line 766, in header
   for method in cls.getDeclaredMethods():
jcc.cpp.JavaError: java.lang.NoClassDefFoundError: org/json/JSONObject


Where is the org.json.JSONObject class defined ? If it's not in
MMCoreJ.jar then you need to tell jcc via the --classpath flag, for
example, so that it can find it.

Andi..


Java stacktrace:
java.lang.NoClassDefFoundError: org/json/JSONObject
       at java.lang.Class.getDeclaredMethods0(Native Method)
       at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
       at java.lang.Class.getDeclaredMethods(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.json.JSONObject
       at java.net.URLClassLoader$1.run(Unknown Source)
       at java.net.URLClassLoader$1.run(Unknown Source)
       at java.security.AccessController.doPrivileged(Native Method)
       at java.net.URLClassLoader.findClass(Unknown Source)
       at java.lang.ClassLoader.loadClass(Unknown Source)
       at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
       at java.lang.ClassLoader.loadClass(Unknown Source)
       ... 3 more

I tried --package org.json, but this did not work?

On Sat, May 26, 2012 at 10:09 AM, Mark Finkelstein <

finkel.m...@gmail.com>wrote:



It is at C:\Python26\Lib\site-packages\jcc.dll. I can also show you my
installation log:

*** Installation started 2012/05/14 13:29 ***
Source: C:\Users\avastmatey\Downloads\JCC-2.13.win32-py2.6.exe
999 Root Key: HKEY_LOCAL_MACHINE
020 Reg DB Key:
[Software\Microsoft\Windows\CurrentVersion\Uninstall]JCC-py2.6
040 Reg DB Value:


[Software\Microsoft\Windows\CurrentVersion\Uninstall\JCC-py2.6]DisplayName=Python

2.6 JCC-2.13
040 Reg DB Value:


[Software\Microsoft\Windows\CurrentVersion\Uninstall\JCC-py2.6]UninstallString="C:\Python26\RemoveJCC.exe"

-u "C:\Python26\JCC-wininst.log"
200 File Copy: C:\Python26\Lib\site-packages\jcc.dll
100 Made Dir: C:\Python26\Lib\site-packages\jcc
200 File Copy: C:\Python26\Lib\site-packages\jcc\config.py
200 File Copy: C:\Python26\Lib\site-packages\jcc\cpp.py
200 File Copy: C:\Python26\Lib\site-packages\jcc\jcc.lib
200 File Copy: C:\Python26\Lib\site-packages\jcc\python.py
200 File Copy: C:\Python26\Lib\site-packages\jcc\windows.py
200 File Copy: C:\Python26\Lib\site-packages\jcc\_jcc.pyd
200 File Copy: C:\Python26\Lib\site-packages\jcc\__init__.py
200 File Copy: C:\Python26\Lib\site-packages\jcc\__main__.py
100 Made Dir: C:\Python26\Lib\site-packages\jcc\classes
100 Made Dir: C:\Python26\Lib\site-packages\jcc\classes\org
100 Made Dir: C:\Python26\Lib\site-packages\jcc\classes\org\apache
100 Made Dir: C:\Python26\Lib\site-packages\jcc\classes\org\apache\jcc
200 File Copy:


C:\Python26\Lib\site-packages\jcc\classes\org\apache\jcc\PythonException.class

200 File Copy:
C:\Python26\Lib\site-packages\jcc\classes\org\apache\jcc\PythonVM.class
100 Made Dir: C:\Python26\Lib\site-packages\jcc\patches
200 File Copy: C:\Python26\Lib\site-packages\jcc\patches\patch.4195
200 File Copy: C:\Python26\Lib\site-packages\jcc\patches\patch.43.0.6c11
200 File Copy: C:\Python26\Lib\site-packages\jcc\patches\patch.43.0.6c7
100 Made Dir: C:\Python26\Lib\site-packages\jcc\sources
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\functions.cpp
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\functions.h
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\JArray.cpp
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\JArray.h
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\jcc.cpp
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\JCCEnv.cpp
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\JCCEnv.h
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\jccfuncs.h
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\JObject.cpp
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\JObject.h
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\macros.h
200 File Copy: C:\Python26\Lib\site-packages\jcc\sources\types.cpp
100 Made Dir: C:\Python26\Lib\site-packages\JCC-2.13-py2.6.egg-info
200 File Copy:


C:\Python26\Lib\site-packages\JCC-2.13-py2.6.egg-info\dependency_links.txt

200 File Copy:
C:\Python26\Lib\site-packages\JCC-2.13-py2.6.egg-info\not-zip-safe
200 File Copy:
C:\Python26\Lib\site-packages\JCC-2.13-py2.6.egg-info\PKG-INFO
200 File Copy:
C:\Python26\Lib\site-packages\JCC-2.13-py2.6.egg-info\SOURCES.txt
200 File Copy:
C:\Python26\Lib\site-packages\JCC-2.13-py2.6.egg-info\top_level.txt
200 File Copy: C:\Python26\Lib\site-packages\jcc\__main__.pyc
200 File Copy: C:\Python26\Lib\site-packages\jcc\__init__.pyc
200 File Copy: C:\Python26\Lib\site-packages\jcc\windows.pyc
200 File Copy: C:\Python26\Lib\site-packages\jcc\python.pyc
200 File Copy: C:\Python26\Lib\site-packages\jcc\cpp.pyc
200 File Copy: C:\Python26\Lib\site-packages\jcc\config.pyc
200 File Copy: C:\Python26\Lib\site-packages\jcc\__main__.pyo
200 File Copy: C:\Python26\Lib\site-packages\jcc\__init__.pyo
200 File Copy: C:\Python26\Lib\site-packages\jcc\windows.pyo
200 File Copy: C:\Python26\Lib\site-packages\jcc\python.pyo
200 File Copy: C:\Python26\Lib\site-packages\jcc\cpp.pyo
200 File Copy: C:\Python26\Lib\site-packages\jcc\config.pyo

I also updated my PATH to be "C:\Program Files
(x86)\Java\jdk1.7.0_04\bin";"C:\Program Files


(x86)\Java\jdk1.7.0_04\lib";C:\Python26;C:\Python26\Lib\site-packages;C:\Python26\Lib\site-packages\PyQt4;"C:\Program

Files (x86)\MiKTeX 2.9\miktex/bin/";"C:\Program
Files\TortoiseSVN\bin";"C:\Program Files (x86)\CMake

2.8\bin";"C:\Program

Files (x86)\Java\jdk1.7.0_04\jre\bin\client"

Again, many thanks for the help.

On Sat, May 26, 2012 at 9:59 AM, Andi Vajda <va...@apache.org> wrote:



On May 25, 2012, at 22:57, Mark Finkelstein <finkel.m...@gmail.com>
wrote:


Hello everyone!

I hope this is a relevant question. I was trying to use jcc to create

a

wrapper for a different project's library but when I try to run python

-m

jcc.main
I get the error C:\Python26\python.exe: DLL load failed: The specified
module could not be found.
I'm not sure why this is since I put the directory containing jcc.dll

into

my PATH. I am not sure if it will help, but the following is my PATH:




C:\Python26;C:\Python26\Lib\site-packages;C:\Python26\Lib\site-packages\PyQt4;"C:\Program

Files (x86)\MiKTeX 2.9\miktex/bin/";"C:\Program
Files\TortoiseSVN\bin";"C:\Program Files (x86)\CMake

2.8\bin";"C:\Program

Files (x86)\Java\jdk1.7.0_04\jre\bin\client"


I don't think jcc.dll is likely to be in any of the directories of the
PATH you show. What is the full path of the directory containing

jcc.dll on

your system ?

Andi..



Any help would be very much appreciated.

Thank you in advance,

Mark.

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