Mail Archives: cygwin/2002/06/24/02:02:38
I do all my Java development under Cygwin. You are probably seeing a
classpath issue. My solution was to make the following change to
environ.cc in the cygwin sources: This allows me to set the
classpath and such in a shell script to a reasonable value,
without having to jump through any cygpath hoops. Just for what
it's worth.
BTW, the first part is just #defines because I couldn't bring
myself to type all the stuff you need for a variable. Eventually,
I'd like to come up with a patch to allow the user to specify
environment variables for translation, but I haven't had time to
finish that yet.
The only thing you really need for java is classpath. The others
I added are INCLUDE and LIB (msvc++), and PYTHONPATH (omniorb).
Rich
This patch is hereby placed into the public domain. Anyone who
wants it can have it.
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Index: environ.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/environ.cc,v
retrieving revision 1.78
diff -u -r1.78 environ.cc
--- environ.cc 21 Jun 2002 05:01:16 -0000 1.78
+++ environ.cc 24 Jun 2002 05:23:36 -0000
@@ -46,6 +46,29 @@
<= CYGWIN_VERSION_DLL_MALLOC_ENV)
#define NL(x) x, (sizeof (x) - 1)
+#define LIST_CONV(x) \
+ { \
+ x##"=",\
+ sizeof(x),\
+ NULL,\
+ NULL,\
+ cygwin_win32_to_posix_path_list,\
+ cygwin_posix_to_win32_path_list,\
+ cygwin_win32_to_posix_path_list_buf_size,\
+ cygwin_posix_to_win32_path_list_buf_size\
+ }
+#define PATH_CONV(x) \
+ { \
+ x##"=",\
+ sizeof(x),\
+ NULL,\
+ NULL,\
+ cygwin_conv_to_full_posix_path,\
+ cygwin_conv_to_full_win32_path,\
+ return_MAX_PATH,\
+ return_MAX_PATH \
+ }
+
/* List of names which are converted from dos to unix
on the way in and back again on the way out.
@@ -55,20 +78,16 @@
static int return_MAX_PATH (const char *) {return MAX_PATH;}
static NO_COPY win_env conv_envvars[] =
{
- {NL ("PATH="), NULL, NULL, cygwin_win32_to_posix_path_list,
- cygwin_posix_to_win32_path_list,
- cygwin_win32_to_posix_path_list_buf_size,
- cygwin_posix_to_win32_path_list_buf_size},
- {NL ("HOME="), NULL, NULL, cygwin_conv_to_full_posix_path,
- cygwin_conv_to_full_win32_path, return_MAX_PATH, return_MAX_PATH},
- {NL ("LD_LIBRARY_PATH="), NULL, NULL, cygwin_conv_to_full_posix_path,
- cygwin_conv_to_full_win32_path, return_MAX_PATH, return_MAX_PATH},
- {NL ("TMPDIR="), NULL, NULL, cygwin_conv_to_full_posix_path,
- cygwin_conv_to_full_win32_path, return_MAX_PATH, return_MAX_PATH},
- {NL ("TMP="), NULL, NULL, cygwin_conv_to_full_posix_path,
- cygwin_conv_to_full_win32_path, return_MAX_PATH, return_MAX_PATH},
- {NL ("TEMP="), NULL, NULL, cygwin_conv_to_full_posix_path,
- cygwin_conv_to_full_win32_path, return_MAX_PATH, return_MAX_PATH},
+ LIST_CONV("PATH"),
+ PATH_CONV("HOME"),
+ LIST_CONV("LD_LIBRARY_PATH"),
+ PATH_CONV("TMPDIR"),
+ PATH_CONV("TMP"),
+ PATH_CONV("TEMP"),
+ LIST_CONV("INCLUDE"),
+ LIST_CONV("LIB"),
+ LIST_CONV("CLASSPATH"),
+ LIST_CONV("PYTHONPATH"),
{NULL, 0, NULL, NULL, NULL, NULL, 0, 0}
};
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On Fri, Jun 21, 2002 at 07:20:45PM +0200, Istvan Kurucz (ETH) wrote:
> Hi,
>
> I've been using Cygwin for a long time but I'm not able to run Java
> applications. I always got error message "Exception in thread "main"
> java.lang.NoClassDefFoundError:". It's seems to me there is no path
> for Java JNI.
>
> Can someone help me?
>
> BR/Istvan,
>
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