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https://issues.apache.org/jira/browse/DAEMON-92?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12472114
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Petteri Räty commented on DAEMON-92:
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trunk already seems to be using /proc/self/exe so this can be closed or wait
until the fix is in a release version
/* execve needs a full path */
ret = readlink("/proc/self/exe",buf,sizeof(buf)-1);
[EMAIL PROTECTED] /mnt/checkouts/commons-daemon-trunk $ grep /proc/self/ -r .
./src/native/unix/.svn/text-base/CHANGES.txt.svn-base: * fix 36030. (using
/proc/self/exe and readlink).
./src/native/unix/native/.svn/text-base/jsvc-unix.c.svn-base: ret =
readlink("/proc/self/exe",buf,sizeof(buf)-1);
./src/native/unix/native/jsvc-unix.c: ret =
readlink("/proc/self/exe",buf,sizeof(buf)-1);
./src/native/unix/CHANGES.txt: * fix 36030. (using /proc/self/exe and
readlink).
> jsvc fails to execve() self on Linux
> ------------------------------------
>
> Key: DAEMON-92
> URL: https://issues.apache.org/jira/browse/DAEMON-92
> Project: Commons Daemon
> Issue Type: Bug
> Affects Versions: 1.0.1
> Reporter: Simone Piunno
> Attachments: 1.0.1-execve-self.patch
>
>
> On Linux jsvc execve() itself.
> execve() requires an absolute path as the first argument therefore use of
> argv[0] only works when jsvc was invoked with a full path.
> Executing jsvc as relative path fails with "jsvc error: Cannot execute JSVC
> executor process".
> On Linux the full path to self is very easy to find: "/proc/self/exe"
> I'm attaching a patch fixing this problem and falling back to argv[0] in case
> /proc is not mounted.
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