Trying to run Fedora 6.3 on Ubuntu 22.04 and Tomcat 9

[Davide Merlitti]

I'm trying to run Fedora 6.3 on a Ubuntu 22.04 and Tomcat 9 by following the following instructions:

https://wiki.lyrasis.org/display/FEDORA6x/Deployment#Deployment-DeployingwithTomcat9

1) I disabled Authentication and Authorization (see https://wiki.lyrasis.org/display/FEDORA6x/Disable+Authentication+and+Authorization)

2) I created a directory /data/fedora owned by tomcat:tomcat

3) I changed fedora.home by using JAVA_OPTS in /etc/default/tomcat9 (see https://wiki.lyrasis.org/display/FEDORA6x/Application+Configuration#ApplicationConfiguration-tomcatTomcat9)

Unfortunately I get this errors in catalina.out when deploying the war:

[2023-03-09 14:18:30] [info] INFO 14:18:30.758 [main] (JmsConfig) JMS messaging enabled
[2023-03-09 14:18:30] [info] INFO 14:18:30.870 [main] (FedoraPropsConfig) Fedora home: /data/fedora
[2023-03-09 14:18:30] [info] WARN 14:18:30.872 [main] (XmlWebApplicationContext) Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependenc
yException: Error creating bean with name 'webappConfig': Unsatisfied dependency expressed through field 'fedoraPropsConfig'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error
 creating bean with name 'jmsBroker' defined in org.fcrepo.webapp.JmsConfig: Unsatisfied dependency expressed through method 'jmsBroker' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationE
xception: Error creating bean with name 'fedoraPropsConfig': Invocation of init method failed; nested exception is java.nio.file.FileSystemException: /data/fedora/data: Read-only file system
[2023-03-09 14:18:30] [info] ERROR 14:18:30.876 [main] (ContextLoader) Context initialization failed
[2023-03-09 14:18:30] [info] org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'webappConfig': Unsatisfied dependency expressed through field 'fedoraPropsConfig'; nested e
xception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jmsBroker' defined in org.fcrepo.webapp.JmsConfig: Unsatisfied dependency expressed through method 'jmsBroke
r' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'fedoraPropsConfig': Invocation of init method failed; nested exception is java.nio.file.FileS
ystemException: /data/fedora/data: Read-only file system

[...]

[2023-03-09 14:18:30] [info] Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jmsBroker' defined in org.fcrepo.webapp.JmsConfig: Unsatisfied dependency expressed through method 'jmsBroker' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'fedoraPropsConfig': Invocation of init method failed; nested exception is java.nio.file.FileSystemException: /data/fedora/data: Read-only file system

[...]

[2023-03-09 14:18:30] [info] Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'fedoraPropsConfig': Invocation of init method failed; nested exception is java.nio.file.FileSystemException: /data/fedora/data: Read-only file system

[...]

[2023-03-09 14:18:30] [info] Caused by: java.nio.file.FileSystemException: /data/fedora/data: Read-only file system

[...]

[2023-03-09 14:18:30] [crit] One or more listeners failed to start. Full details will be found in the appropriate container log file
[2023-03-09 14:18:30] [crit] Context [/fcrepo] startup failed due to previous errors

What am I doing wrong or forgetting? Any suggestions are appreciated.

Davide

[Gunter Vasold]

Hi Davide,

[2023-03-09 14:18:30] [info] Caused by: java.nio.file.FileSystemException: /data/fedora/data: Read-only file system

It seems that the user tomcat runs as cannot write to /data/fedora/data

Gunter

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[Dan Field]

Can you share the file permissions of /data/fedora/data and /data/fedora ?

[Jaime Penagos]

Hi, maybe it's not the problem, but when I worked with Fedora 6 + Tomcat 9 I had to double check the Tomcat 9 Service (under systemd), and add an exception to the folder Fedora uses.

Maybe it helps a bit?

Best regards, 

Jaime

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[Davide Merlitti]

Fixed. On Ubuntu 22.04 Tomcat 9 is sandboxed by systemd and only has write access to the directories specified in /lib/systemd/system/tomcat9.service

The solution in my case was to add:

[Service]
[...]
ReadWritePaths=/data/fedora/