Strange behaviour on filesystem access
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Key: DAEMON-172
URL: https://issues.apache.org/jira/browse/DAEMON-172
Project: Commons Daemon
Issue Type: Bug
Components: Jsvc
Affects Versions: 1.0.2
Environment: Ubuntu 10.04, Java 1.6.0_20, jsvc installed via
Ubuntu/Debian-Package-Management (apt-get)
Reporter: Daniel Bröking
Hi,
we are developing a Java-based application which does some filesystem
operations on mounted USB-Storages.
While running it as a daemon via jsvc, the application is not able to access
the mounted USB-Storage (e.g. on /mount/9201-9EFF).
[Misbehaviour: An empty file-list is gained while accessing the mount-point via
java.io.File.list()]
The storage has only the rwx-Permissions for a specific user:
>> $ ls -l /media/
>> drwx------ 10 daende daende 4096 1970-01-01 01:00 9201-9EFF
[!!!] The strange behaviour is that if the application is executed as root via
a plain java-call, it gets access to the USB-Storage and is able to list the
files located on the USB-device.
The jsvc is executed as root and is configured in the following way:
jsvc -debug -outfile "..." -errfile "..." -pidfile /tmp/$NAME.pid -cp
"$CLASSPATH" com.app.Main
Here the dumping parsed command line args:
+-- DUMPING PARSED COMMAND LINE ARGUMENTS --------------
| Detach: True
| Show Version: No
| Show Help: No
| Check Only: Disabled
| Stop: False
| Wait: 0
| Run as service: No
| Install service: No
| Remove service: No
| JVM Name: "null"
| Java Home: "null"
| PID File: "/tmp/app.pid"
| User Name: "null"
| Extra Options: 1
| "-Djava.class.path=...."
| Class Invoked: "com.app.Main"
| Class Arguments: 0
+-------------------------------------------------------
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