Shawn,
On 2/7/24 10:48, Beard, Shawn wrote:
It is on a Linux server, The file system mentions is actually a CIFS
mount from a windows server. Its not creating a directory, only that
file. Odd thing is that I can manually create a file in that directory
as the user Tomcat is running as using touch.
Weird.
I wonder if deep down the UNIX-specific "copy" capabilities of
commons-io/sun-io are becoming confused with the CIFS-mounted filesystem.
That's really not support to happen, though.
Can you write a simple Java-based program that simulates what's going on
to determine if it's a general Java issue or the specific Tomcat-hosted
environment that won't work?
-chris
-----Original Message-----
From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Tuesday, February 6, 2024 4:18 PM
To: users@tomcat.apache.org
Subject: Re: Operation not permitted errors [EXTERNAL]
** CAUTION: External message
Shawn,
On 2/6/24 13:52, Beard, Shawn wrote:
> An application we have running in Tomcat 9 using Java 8 is throwing
> this error when trying to create a file:
>
> java.nio.file.FileSystemException
> /path/to/filesystem/202311WEB/040389461310_08_37_246.jpg: Operation
> not permitted at
> sun.nio.fs.UnixException.translateToIOException(UnixException.java:91)
> at
> sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at
> sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at sun.nio.fs.UnixCopyFile.copyFile(UnixCopyFile.java:283) at
> sun.nio.fs.UnixCopyFile.copy(UnixCopyFile.java:581) at
> sun.nio.fs.UnixFileSystemProvider.copy(UnixFileSystemProvider.java:253
> ) at java.nio.file.Files.copy(Files.java:1274) at
> org.apache.commons.io.FileUtils.copyFile(FileUtils.java:850) at
> org.apache.commons.io.FileUtils.copyFile(FileUtils.java:756) at
> com.genexus.specific.java.FileUtils.copyFile(FileUtils.java:45) at
> com.genexus.util.GXFileInfo.copy(GXFileInfo.java:88) at
> com.genexus.util.GXFile.copy(GXFile.java:298) at
> com.binet17.webservices.awsingresodenunciabs_img_impl.privateExecute(a
> wsingresodenunciabs_img_impl.java:477
>
> We have tried opening up permissions on the files and directories,
> adding users to the owner group, entries in the catalina.policy and
> nothing seems to work. Any ideas?
This could be due to a lot of things, and it's unlikely to be related to
Tomcat itself.
Based upon your file path and stack trace, I suspect you are using a
UNIX-like operating system. That means it's not likely to be a locking
issue like you can have on Windows. Those are a real pain to catch in
the act. I would check a few things:
1. What is the euid and egid of the Tomcat process? Does it jive with
the file permissions for /path/to/filesystem/2023....blah.jpg? Remember
that in order for a process to be able to write to a directory, it needs
to have execute permissions from / all the way down to the last
directory in the path.
2. Double-check the UMASK that the process is using. If you are creating
directories, you'll need to make sure those directories have permissions
which are appropriate for writing files in there afterward.
3. Remember that the problem could be either the source file or the
destination file. From your path, I can't tell if the "operation not
permitted" is on the source or destination.
-chris
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