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Re: tomcat9 access denied /var/lib/tomcat9/conf/web.xml

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Hi Emmanuel,

I added the rule and restarted tomcat but the error remains.

Regards,


On 12/27/22 10:21 PM, Emmanuel Bourg <ebourg@apache.org> wrote:
> Hi Alban,
> 
> Did you try this rule:
> 
> grant codeBase "file:/etc/tomcat9/-" {
>    permission java.security.AllPermission;
> };
> 
> Emmanuel Bourg
> 
> 
> Le 22/12/2022 à 11:05, Alban Espié-Guillon a écrit :
> > Hello,
> >
> > I'm very new to tomcat, forgive me if I did not found my answer 
> > elsewhere, i'm currently out of of ideas.
> >
> > I'm trying to setup a standalone tomcat9 (9.0.31-1~deb10u7) on Debian 
> > 11, with security manager enabled.
> >
> > I'm seeing in catalina logs the following stacktrace (full stacktrace 
> > provided in attachment):
> >
> > 37 21-Dec-2022 16:12:04.587 SEVERE [main] 
> > org.apache.tomcat.util.descriptor.web.WebXmlParser.parseWebXml Parse 
> > error in application web.xml file at [file:/var/lib/tomcat9/conf/web.xml]
> > 38     java.security.AccessControlException: access denied 
> > ("java.lang.RuntimePermission" 
> > "accessClassInPackage.org.apache.tomcat.util.buf")
> >
> > Disabling the security manager makes it disappear, but I don't 
> > understand why tomcat has an issue reading 
> > /var/lib/tomcat9/conf/web.xml, which is a simlink to 
> > /etc/tomcat9/web.xml, and I did not edit the file as you see:
> >
> > # ll /etc/tomcat9/web.xml
> > -rw-r----- 1 root tomcat 169K Feb  5  2020 /etc/tomcat9/web.xml
> >
> > I tried to add the following policy in case of it could help:
> >
> > grant codeBase "file:/var/lib/tomcat9/conf/web.xml" {
> >          permission java.security.AllPermission;
> > };
> >
> > But the error was still logged.
> >
> > I tried to report the issue to users@tomcat.apache.org and I got the 
> > following answser:
> >
> >  >The security manager is deprecated in newer versions of Java. If you 
> > are new to Tomcat, whatever problem using the security manager is 
> > intended to solve, I'd strongly encourage you to find an alternative 
> > solution.
> >
> >  >The codebase refers to the JAR trying to read the file, not the file 
> > the JAR is trying to read.
> >
> >  >I suspect the Debian distribution hasn't updated the catalina.policy 
> > file to take account of the way Debian redistributes the Tomcat files 
> > around the file system. If you really do want to use the security 
> > manager, you'll need to take that up with the Debian folks.
> >
> >  >Mark
> >
> 
> 
> 

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tomcat9 access denied /var/lib/tomcat9/conf/web.xml Alban Espié-Guillon <alban.espie-guillon@ow2.org> - 2022-12-22 11:40 +0100
  Re: tomcat9 access denied /var/lib/tomcat9/conf/web.xml Emmanuel Bourg <ebourg@apache.org> - 2022-12-27 22:30 +0100
    Re: tomcat9 access denied /var/lib/tomcat9/conf/web.xml alban.espie-guillon@ow2.org - 2022-12-29 12:00 +0100

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