On 11/13/2015 11:14 AM, Terry John wrote:
On 11/12/2015 04:51 PM, Terry John wrote:
I got a core dump of certmonger failing user abrt but it's huge. Is there any 
particular part that would be useful.

CCing Nalin and David for the core dump. More below.

On 11/12/2015 02:17 PM, Terry John wrote:
I had a working freeipa setup on a CentOS release 6.7 machine.  All was well 
until I did a yum update. Now I have multiple issue apparently based around the 
CMS (Service Unavailable) issue.
My current version of ipa-server is 3.0.0-47 Certmonger crashes with
a segmentation fault at boot time and crashes every time I try to restart it 
when ipa is running.


# ipa cert-status
Request id: 20140417164153
ipa: ERROR: Certificate operation cannot be completed: Unable to
communicate with CMS (Service Unavailable) # service certmonger
status certmonger (pid  3030) is running...

It looks like PKI cannot be contacted. I would recommend checking 
/var/log/httpd/error_log, it may have more details. I would also recommend checking 
"ipa cert-show 1", it will probably fail with the same bug.
Yes ipa cert-show 1 does show the same thing # ipa cert-show 1
ipa: ERROR: Certificate operation cannot be completed: Unable to
communicate with CMS (Service Unavailable)

Next steps may include checking that dogtag service really runs, there is no 
SELinux AVC. If neither of this helps, you can check PKI logs /var/log/pki... 
to see what went wrong.
I'm pretty certain the dogtag service is not running

Then you have your lucky winner! :-)

Some pointers to logs are for example here:

/var/log/pki-ca/catalina.out contains the lines at boot time:

SEVERE: Error deploying web application directory ca
com/netscape/cms/servlet/filter/AgentRequestFilter : Unsupported major.minor 
version 51.0 (unable to load class 
com.netscape.cms.servlet.filter.AgentRequestFilter)   at  
lassLoader.java:2334).... lots of traceback

/var/log/pki-ca/system is empty
/var/log/pki-ca/debug has nothing new for 2 days

CCing Fraser. This is a wild guess, but maybe you updated your java to 
java-1.8.0-openjdk? PKI does not work on it on RHEL/CentOS:


java would need to be switched with "alternate" to pre-1.8.0 version if this is 
the case.

The java version was the problem.

Good! Fraser, can we improve anything in pki-core, so that wrong java version issue like this one does not occur? IIRC, pki-core in RHEL-6.x was updated to somehow deal with java 1.8.0 (conflict), not sure if lower versions are also covered.

Luckily I have a java expert to hand and explained that major.minor version 
51.0 corresponds to java 7
When I did
# ps ax | grep java I got"
1460 ?     Sl   1:21 /usr/java/default/bin/java -Djavax.sql.Da.......
# /usr/java/default/bin/java -version
java version "1.6.0_31"
Java(TM) SE Runtime Environment (build 1.6.0_31-b04)
Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode)

I have both java-1.6.0-openjdk and java-1.7.0-openjdk installed but the 
/usr/java/default/bin is all from java-1.6.0-openjdk

I have renamed /usr/java/default/bin/java to javaold and done
# ln -s /usr/bin/java /usr/java/default/bin/java
# /usr/java/default/bin/java -version
java version "1.7.0_91"
OpenJDK Runtime Environment (rhel- u91-b00)
OpenJDK 64-Bit Server VM (build 24.91-b01, mixed mode)

This may work, but looks a bit hacky. I think the right way is to use "alternate" program I mentioned earlier to let you choose the right version of the java executable and/or libraries.

After a reboot FreeIPA works properly which is great but I'm wondering if there 
is a better fix though since all the other executables in are from the 1.6 
version. I can't find a corresponding location for 1.7 executables.

The "alternate" approach should "just work". I am glad you made the instance working again!

Thanks very much

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