Sorry I had some data loss probland new version of jandroid won't be
available soon.

On Oct 11, 2017 8:45 PM, "Joe Bogner" <[email protected]> wrote:

> Great - is a new APK available? I don't see it. The latest[1] seems to be
> from 2017-08-24. I don't currently have a build machine set up.
>
> [1] - http://www.jsoftware.com/download/j806/install/
>
> On Tue, Oct 10, 2017 at 9:55 PM, bill lam <[email protected]> wrote:
>
> > Ah, also you need to export TMPDIR to a writable folder,
> > try first a folder within internal memory, not on any
> > sdcard emulation.
> > if absent, it will set TMPDIR to jandroid install folder
> > which does not exist in your chromebook.
> >
> > This temp folder is used for running 2!:0 commands.
> >
> > Ср, 11 окт 2017, bill lam написал(а):
> > > I checked the source, jconsole in all platforms including
> > > android support the -lib parameter, can you try
> > >
> > > ./jconsole -lib libj.so -profile profile.ijs
> > >
> > > if failed, try again with absolute path to libj.so and profile.ijs
> > >
> > > Вт, 10 окт 2017, Joe Bogner написал(а):
> > > > Great sounds good. I'm happy to help test across multiple devices
> > whenever
> > > > it's ready
> > > >
> > > > On Mon, Oct 9, 2017 at 7:19 PM, bill lam <[email protected]>
> wrote:
> > > >
> > > > > Perhaps my memory failed me, or /proc/self/exe was added in
> android,
> > but
> > > > > its path is not that of the current executable. Relying on -lib or
> > cwd can
> > > > > be a workaround.
> > > > >
> > > > >
> > > > > On Oct 10, 2017 12:46 AM, "Joe Bogner" <[email protected]>
> wrote:
> > > > >
> > > > > > Yes, it looks like it's 32-bit
> > > > > >
> > > > > > $ uname -a
> > > > > > Linux localhost 3.18.0-15954-g2ba05641585b #1 SMP PREEMPT Mon
> Oct 2
> > > > > > 21:16:22 PDT 2017 i686 Android
> > > > > >
> > > > > > Thank you again. I know it's somewhat of a fringe case to support
> > however
> > > > > > it seems chromebooks are becoming fairly popular in education.
> > Proper
> > > > > > support would probably take a bit more work, but for being able
> to
> > > > > specify
> > > > > > -lib would be great.
> > > > > >
> > > > > > Alternatively, it looks like termux creates a /proc/self/exe so
> > that
> > > > > could
> > > > > > be used too and would probably be preferred to having to specify
> a
> > -lib
> > > > > >
> > > > > > $ ls -lah /proc/self/exe
> > > > > > lrwxrwxrwx    1 u0_a48   u0_a48         0 Oct  9 12:44
> > /proc/self/exe ->
> > > > > > /data/data/com.termux/files/usr/bin/busybox
> > > > > >
> > > > > > I know I'd be interested in running jconsole on android under
> > termux too
> > > > > -
> > > > > > not just on chromebook. Perhaps others would be interested too. I
> > > > > > previously ran jconsole on android under termux to keep jhs
> > running in
> > > > > the
> > > > > > background
> > > > > >
> > > > > >
> > > > > > On Mon, Oct 9, 2017 at 12:02 PM, bill lam <[email protected]>
> > wrote:
> > > > > >
> > > > > > > Joe, I don't have any experience in chromebook. Android is not
> > > > > > > exact linux, the line in jeload.c
> > > > > > >  n=readlink("/proc/self/exe",arg2,sizeof(arg2));
> > > > > > > for detecting the current path of jconsole does not work under
> > > > > > > android because there is no such file. shared objects are
> usually
> > > > > > > installed under a system folder. The files in your strace are
> > > > > > > actually symlink to libj.so inside the system folder.
> > > > > > >
> > > > > > > Your suggestion of using -lib parameter seems feasible. I will
> > > > > > > take a look. You run the x86 jconsole. Is your chromebook
> > > > > > > running a 32-bit OS?
> > > > > > >
> > > > > > > Пн, 09 окт 2017, Joe Bogner написал(а):
> > > > > > > > bill - thanks for the reply. Excellent - yes they are there.
> > It seems
> > > > > > the
> > > > > > > > path to libj.so is hard-coded and it's not accepting the -lib
> > > > > parameter
> > > > > > > >
> > > > > > > > $ ./jconsole
> > > > > > > > Load library /data/app/com.jsoftware.j.
> > android-9/lib/x86/libj.so
> > > > > > failed.
> > > > > > > >
> > > > > > > > $ /data/data/com.termux/files/home/assets/libexec/android-
> > > > > > > libs/x86/jconsole
> > > > > > > > -lib
> > > > > > > > /data/data/com.termux/files/home/assets/libexec/android-
> > > > > > libs/x86/libj.so
> > > > > > > > Load library /data/app/com.jsoftware.j.
> > android-9/lib/x86/libj.so
> > > > > > failed.
> > > > > > > >
> > > > > > > >
> > > > > > > > strace shows this:
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > fstatat64(AT_FDCWD, "/data/data/com.jsoftware.j.
> > > > > android/lib/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > android/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-1/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-2/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-3/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-4/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-5/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-6/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-7/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-8/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/data/app/com.jsoftware.j.
> > > > > > > android-9/lib/x86/libj.so",
> > > > > > > > 0xfff0bff0, 0) = -1 ENOENT (No such file or directory)
> > > > > > > > fstatat64(AT_FDCWD, "/sdcard/Android/data",
> > {st_mode=S_IFDIR|0771,
> > > > > > > > st_size=4096, ...}, 0) = 0
> > > > > > > > fchmodat(AT_FDCWD, "/data/data/com.termux/files/usr/tmp",
> > 0777) = 0
> > > > > > > >
> > > > > > > > Which seems to show it hitting this:
> > > > > > > >
> > > > > > > > https://github.com/jsoftware/jsource/blob/
> > > > > > eebfb7ba5b3149d5a1ae8dee6221da
> > > > > > > 076af4ea3f/jsrc/jeload.c#L141
> > > > > > > >
> > > > > > > >
> > > > > > > > On Mon, Oct 9, 2017 at 10:44 AM, bill lam <
> [email protected]
> > >
> > > > > wrote:
> > > > > > > >
> > > > > > > > > I am unable to test jandroid for some time, so I am not so
> > sure,
> > > > > but
> > > > > > > iirc
> > > > > > > > > jconsole for all architectures are bundled inside APK. Not
> > inside
> > > > > > libs
> > > > > > > > > folder but inside a tar file under the asset folder.  Try
> > > > > decompress
> > > > > > > the
> > > > > > > > > tar file, there are 3 or 4 jconsole there.
> > > > > > > > >
> > > > > > > > > On Oct 9, 2017 10:21 PM, "Joe Bogner" <[email protected]
> >
> > wrote:
> > > > > > > > >
> > > > > > > > > > I have a new HP G5 chromebook that can install apps from
> > the Play
> > > > > > > Store.
> > > > > > > > > It
> > > > > > > > > > won't allow side-loading unless developer mode is turned
> > from
> > > > > > > recovery
> > > > > > > > > mode
> > > > > > > > > > - which causes a warning every time the device is booted.
> > > > > > > > > >
> > > > > > > > > > I spent a few minutes trying to compile from termux and
> > failed.
> > > > > > > > > >
> > > > > > > > > > I looked into extracting the content from the APK but
> > noticed
> > > > > > > jconsole
> > > > > > > > > was
> > > > > > > > > > missing. I seem to recall early versions of the jandroid
> > also
> > > > > > > included a
> > > > > > > > > > jconsole. It looks like the current apk has the libj.so
> > but no
> > > > > > > jconsole
> > > > > > > > > >
> > > > > > > > > > It has a Intel Celeron N3060 x86_64 processor.
> > > > > > > > > >
> > > > > > > > > > Are there any relatively simple options for getting
> > jconsole or
> > > > > > > jandroid
> > > > > > > > > to
> > > > > > > > > > run on this device without going to developer mode?
> > > > > > > > > >
> > > > > > > > > > Thanks for any ideas or help
> > > > > > > > > >
> > > > > > > > > > Joe
> > > > > > > > > > ------------------------------
> > ------------------------------
> > > > > > > ----------
> > > > > > > > > > For information about J forums see
> > http://www.jsoftware.com/
> > > > > > > forums.htm
> > > > > > > > > ------------------------------
> ------------------------------
> > > > > > ----------
> > > > > > > > > For information about J forums see
> http://www.jsoftware.com/
> > > > > > forums.htm
> > > > > > > > ------------------------------------------------------------
> > > > > ----------
> > > > > > > > For information about J forums see http://www.jsoftware.com/
> > > > > forums.htm
> > > > > > >
> > > > > > > --
> > > > > > > regards,
> > > > > > > ====================================================
> > > > > > > GPG key 1024D/4434BAB3 2008-08-24
> > > > > > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> > > > > > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
> > > > > > > ------------------------------------------------------------
> > ----------
> > > > > > > For information about J forums see http://www.jsoftware.com/
> > forums.htm
> > > > > > >
> > > > > > ------------------------------------------------------------
> > ----------
> > > > > > For information about J forums see http://www.jsoftware.com/
> > forums.htm
> > > > > ------------------------------------------------------------
> > ----------
> > > > > For information about J forums see http://www.jsoftware.com/
> > forums.htm
> > > > >
> > > > ------------------------------------------------------------
> ----------
> > > > For information about J forums see http://www.jsoftware.com/
> forums.htm
> > >
> > > --
> > > regards,
> > > ====================================================
> > > GPG key 1024D/4434BAB3 2008-08-24
> > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
> >
> > --
> > regards,
> > ====================================================
> > GPG key 1024D/4434BAB3 2008-08-24
> > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
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For information about J forums see http://www.jsoftware.com/forums.htm

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