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Rajesh,
On 7/10/12 2:56 AM, Rajesh Kumar wrote:
> I am finding many issues in it but still not able to resolve this.
> Is there any expert opinion on this... I have this setup in
> Cpanel.
>
> I have added export JAVA_OPTS="-XX:PermSize=128M
> -XX:MaxPermSize=524M" in catlina.sh but dint help.
As Mark Eggers says, these settings are not relevant. All comments he
makes about them are spot-on: move to startup.sh, use CATALINA_OPTS,
and you probably meant -Xms and -Xmx, though some people really do
need a huge PermGen. Are you sure you're one of them?
> SEVERE: Exception fixing docBase: {0}
> java.io.FileNotFoundException:
> /home/surgnet/public_html/sample/META-INF/MANIFEST.MF (No such file
> or directory) at java.io.FileOutputStream.open(Native Method) at
> java.io.FileOutputStream.<init>(FileOutputStream.java:194) at
> java.io.FileOutputStream.<init>(FileOutputStream.java:145) at
> org.apache.catalina.startup.ExpandWar.expand(ExpandWar.java:457)
ExpandWar.expand is trying to write to the file
/home/surgnet/public_html/sample/META-INF/MANIFEST.MF and it can't:
"No such file or directory" is a stupid exception message. What it
really means is that the parent directory
(/home/surgnet/public_html/sample/META-INF/) does not exist. Try a
simple test like this and you'll see you get the same exception message:
import java.io.*;
public class FileTest
{
public static void main(String[] args)
throws Exception
{
File file = new File("./nosuchdir/a_file");
new FileOutputStream(file);
}
}
So, the problem is that the parent directory doesn't exist. Why? Well,
ExpandWar.expand, on line 165 does this:
161 int last = name.lastIndexOf('/');
162 if (last >= 0) {
163 File parent = new File(docBase,
164 name.substring(0, last));
165 parent.mkdirs();
166 }
There is no check of the return value of parent.mkdirs(), which can
fail with no exception (part of the charm of the java.io package:
sometimes you get an exception and sometimes you don't).
Technically, one could argue that this is a bug in Tomcat (which I
will log, though it will probably not be fixed since it isn't serious
enough to warrant a fix to a Tomcat version which is in
maintenance-mode -- that is, one that really only gets security
updates) because the return value of File.mkdirs should really be
checked for false which indicates a problem. Then, an exception could
be thrown that says "I can't create [parent dir]" and bombs, so you
don't get the stupid FileNotFoundException.
At any rate, I highly suspect that this is a file-permissions error:
can your Tomcat user write to the /home/surgnet/public_html/sample/
directory? Remember that the user will require both write *and*
execute privileges to really use a directory on a *NIX filesystem.
> SEVERE: Exception fixing docBase: {0}
> java.io.FileNotFoundException:
> /home/surgnet/public_html/surgeryplanet/META-INF/MANIFEST.MF (No
> such file or directory) at java.io.FileOutputStream.open(Native
> Method) at
> java.io.FileOutputStream.<init>(FileOutputStream.java:194) at
> java.io.FileOutputStream.<init>(FileOutputStream.java:145) at
> org.apache.catalina.startup.ExpandWar.expand(ExpandWar.java:457) at
> org.apache.catalina.startup.ExpandWar.expand(ExpandWar.java:173)
This is certainly the same error.
- -chris
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