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Top Forums Programming PortInUse Exception in SerialDemo Post 302739201 by Corona688 on Monday 3rd of December 2012 05:13:46 PM
Old 12-03-2012
777 is not the magic sledgehammer to fix all permissions problems. You really need to change that back to what it was before someone accidentally edits the java binary. Smilie

What you did would not have fixed the problem even if the problem is the permissions of the Java runtime environment.

The question is, what user/group/permissions does the JVM run under?
 

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CHKSTAT(8)					      Tool to check and set file permissions						CHKSTAT(8)

NAME
chkstat - Tool to check and set file permissions SYNOPSIS
chkstat [--set|-set] [--noheader] [[--examine file ]...] [[--files filelist ]...] [[--root directory ]...] permission-file ... DESCRIPTION
The program /usr/bin/chkstat is a tool to check and set file permissions. Multiple permissions files can be given on the commandline. If the permission files contain multiple entries for a single file, the last entry found will be used. General Options --set, -set This option enables setting the file permissions, the default is to check and warn only. --noheader Omit printing the output header lines. --examine file Check permissions for this file and not all files listed in the permissions files. --files filelist Check permissions for the files listed in filelist and not for all files listed in the permissions files. --root directory Prefix the files given in the permissions files by this directory. EXAMPLE
The command chkstat -set /etc/permissions will parse the file /etc/permissions and set the access mode and the user- and group memberships each file listed. The format for the input file is FILEPATH OWNER:GROUP MODE and wildcards are not supported for the filepath. Lines starting with '#' and empty lines are treated as comments. COPYRIGHT
1996-2003 SuSE Linux AG, Nuernberg, Germany. 2008 SUSE LINUX Products GmbH AUTHORS
Reinhold Sojer, Ruediger Oertel, Michael Schroeder Useful changes and additions by Tobias Burnus 3rd Berkeley Distribution 2008-04-17 CHKSTAT(8)
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