Hi Stephan,
Thanks for hint and thank you for sharing your karaf-maven-plugin configuration.
I am using startupFeatures but if I specify the version it works too. So I have 
now Apache Karaf 4.4.3 with pax-web 8.0.29.
Thank you for help!
Best regards
Martin

From: Siano, Stephan <stephan.si...@sap.com>
Sent: Tuesday, January 14, 2025 12:45 PM
To: user@karaf.apache.org; Martin Zukal <martin.zu...@stabilit.ch>
Subject: RE: upgrade apache tomcat bundled in pax-web

Hi Martin,

Tomcat is strongly merged into the pax-web bundles, so you won’t get any 
progress without updating the tomcat version in pax-web and have a new pax-web 
version. Maybe you open a JIRA task there (or even create a contribution in the 
pax-web project).

The idea is that in the project where you build the assembly you add the 
following maven dependency:
        <dependency>
            <groupId>org.ops4j.pax.web</groupId>
            <artifactId>pax-web-features</artifactId>
            <classifier>features</classifier>
            <type>xml</type>
            <version>${pax.web.version}</version>
            <scope>runtime</scope>
        </dependency>

Then the configuration of the karaf maven plugin looks like this:
            <plugin>
                <groupId>org.apache.karaf.tooling</groupId>
                <artifactId>karaf-maven-plugin</artifactId>
                <extensions>true</extensions>
                <configuration>
                    <framework>framework-logback</framework>
                    <!-- no startupFeatures -->
                    <bootFeatures>
                        <feature>standard</feature>
                        <feature>pax-web-tomcat/${pax.web.version}</feature>
                        
<feature>pax-web-tomcat-websockets/${pax.web.version}</feature>
                        
<feature>pax-web-http-tomcat/${pax.web.version}</feature>
                        <feature>pax-web-war/${pax.web.version}</feature>
                        <feature>pax-web-whiteboard/${pax.web.version}</feature>
                        <feature>pax-web-jsp/${pax.web.version}</feature>
                        ...
                    </bootFeatures>
                    <!-- no installedFeatures -->
                </configuration>
            </plugin>

Best regards
Stephan

From: Martin Zukal via user 
<user@karaf.apache.org<mailto:user@karaf.apache.org>>
Sent: Tuesday, 14 January 2025 12:20
To: user@karaf.apache.org<mailto:user@karaf.apache.org>
Subject: RE: upgrade apache tomcat bundled in pax-web

Hi Stephan,
Thanks for response! Good to hear that.
Do I understand correctly that you install the new pax-web version as an 
additional feature (maybe with <startupFeature>) and leave the original version 
provided by karaf there as well? Using pax-web 8.0.29 would help a lot but if I 
want to really use the newest tomcat version it is still not sufficient so I 
continue investigating on that.
Best regards
Martin


From: Siano, Stephan <stephan.si...@sap.com<mailto:stephan.si...@sap.com>>
Sent: Tuesday, January 14, 2025 11:17 AM
To: user@karaf.apache.org<mailto:user@karaf.apache.org>; Martin Zukal 
<martin.zu...@stabilit.ch<mailto:martin.zu...@stabilit.ch>>
Subject: RE: upgrade apache tomcat bundled in pax-web

Hi Martin,

It is possible to have a newer pax-web version (including pax-web-tomcat) with 
a custom karaf distribution. We are currently using karaf 4.4.6 with pax-web 
8.0.29.
Concerning security scans: I haven’t managed to make the karaf-maven-plugin to 
not install the pax-web-version that comes with the Karaf version (8.0.27 in 
the case of Karaf 4.4.6) into the repository as well (so you have two versions 
of pax-web in the karaf repository). This means that code scans will still find 
the old Tomcat version even though only the newer one is installed into the 
running Karaf container.

Best regards
Stephan

From: Martin Zukal via user 
<user@karaf.apache.org<mailto:user@karaf.apache.org>>
Sent: Tuesday, 14 January 2025 10:37
To: user@karaf.apache.org<mailto:user@karaf.apache.org>
Subject: upgrade apache tomcat bundled in pax-web

Hello everyone,
We received results of a security scan of our application running on Apache 
Karaf 4.4.3. One of the issues is that there is an old and vulnerable component 
in use. It is the Apache Tomcat version 9.0.70 in particular. This comes from 
the pax-web feature (version 8.0.15 in karaf 4.4.3).
I checked what version of pax-web is used in Karaf 4.4.6 and found out that it 
is 8.0.27. According to what I was able to find version 8.0.27 of pax web uses 
Apache Tomcat version 9.0.87. Unfortunately this version of Tomcat has still 
some known vulnerabilities (see 
https://mvnrepository.com/artifact/org.apache.tomcat.embed/tomcat-embed-core/9.0.87).
 Even the newest version of pax-web (8.0.29) uses a vulnerable version of 
Apache Tomcat – 9.0.96 (see 
https://mvnrepository.com/artifact/org.apache.tomcat.embed/tomcat-embed-core/9.0.96).
 The only 9.x version of Tomcat without vulnerabilities is 9.0.98.
My question is whether it is possible to upgrade just the tomcat feature 
(pax-web-tomcat). If so how can I do that? Is it possible to configure the 
karaf-maven-plugin to package the newest version of tomcat in the assembly?
Best Regards
Martin Zukal


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