[SOLVED] AWT Log error messages

[stuartg.orion]

i keep seeing a lot of these in my sync.log:

2007-10-25 10:09:27,966 ERROR [http-80-Processor97] [name=ian;mid=13;folder=10;DeviceId=83990AE59BF5611 444D197002E24416F;class=Calendar;SyncCmd=Sync;Devi ceType=P
ocketPC;] sync - Unexpected exception
java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11.XToolkit
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at java.awt.Toolkit$2.run(Toolkit.java:836)
at java.security.AccessController.doPrivileged

Zimbra is definitely running with Java in headless mode:
# ps -efww | grep [j]ava
zimbra 21056 1 1 Oct24 ? 00:19:25 /opt/zimbra/jdk1.6.0_02_i386/bin/java -client -Xmx256m -Dzimbra.home=/opt/zimbra -Djava.library.path=/opt/zimbra/lib -Djava.ext.dirs=/opt/zimbra/jdk1.6.0_02_i386/jre/lib/ext:/opt/zimbra/lib/jars:/opt/zimbra/lib/ext:/opt/zimbra/lib/ext/backup:/opt/zimbra/lib/ext/clamscanner:/opt/zimbra/lib/ext/network:/opt/zimbra/lib/ext/zimbra-license:/opt/zimbra/lib/ext/zimbrahsm:/opt/zimbra/lib/ext/zimbrasync -Djava.awt.headless=true -Djava.library.path=/opt/zimbra/verity/FilterSDK/bin:/opt/zimbra/verity/ExportSDK/bin com.zimbra.cs.convertd.TransformationServer
root 21798 1 0 Oct24 ? 00:00:00 /opt/zimbra/libexec/zmtomcatmgr start -Xms6412m -Xmx6412m -client -XX:NewRatio=2 -Djava.awt.headless -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:SoftRefLRUPolicyMSPerMB=1 -XX:+UseParallelGC
zimbra 21799 21798 5 Oct24 ? 01:08:11 /opt/zimbra/jdk1.6.0_02/bin/java -Xms6412m -Xmx6412m -client -XX:NewRatio=2 -Djava.awt.headless -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:SoftRefLRUPolicyMSPerMB=1 -XX:+UseParallelGC -Dcatalina.base=/opt/zimbra/apache-tomcat-5.5.15 -Dcatalina.home=/opt/zimbra/apache-tomcat-5.5.15 -Djava.io.tmpdir=/opt/zimbra/apache-tomcat-5.5.15/temp -Djava.library.path=/opt/zimbra/lib -Djava.endorsed.dirs=/opt/zimbra/apache-tomcat-5.5.15/common/endorsed -classpath /opt/zimbra/apache-tomcat-5.5.15/bin/bootstrap.jar:/opt/zimbra/apache-tomcat-5.5.15/bin/commons-logging-api.jar:/opt/zimbra/lib/jars/zimbra-launcher.jar com.zimbra.cs.launcher.TomcatLauncher

Should I be concerned?

[stuartg.orion]

Hmm or maybe it isn't - it should be -Djava.awt.headless=true I guess.

Will fix that and try again

[Rich Graves]

Can you explain a bit more how this was "SOLVED" for you? I see Djava.awt.headless=true in your example and also on my running server.

I'm seeing exceptions on a particular user's calendar sync with ZCS 4.5.10.

zimbra    6462     1  0 11:14 ?        00:00:02 /opt/zimbra/jdk1.6.0_02_i386/bin/java -client -Xmx256m -Dzimbra.home=/opt/zimbra -Djava.library.path=/opt/zimbra/lib -Djava.ext.dirs=/opt/zimbra/jdk1.6.0_02_i386/jre/lib/ext:/opt/zimbra/lib/jars:/opt/zimbra/lib/ext:/opt/zimbra/lib/ext/backup:/opt/zimbra/lib/ext/clamscanner:/opt/zimbra/lib/ext/network:/opt/zimbra/lib/ext/zimbra-license:/opt/zimbra/lib/ext/zimbrahsm:/opt/zimbra/lib/ext/zimbrasync -Djava.awt.headless=true -Djava.library.path=/opt/zimbra/verity/FilterSDK/bin:/opt/zimbra/verity/ExportSDK/bin com.zimbra.cs.convertd.TransformationServer
zimbra   13418 13417 15 Nov23 ?        14:46:44 /opt/zimbra/jdk1.6.0_02/bin/java -Xms6410m -Xmx6410m -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:SoftRefLRUPolicyMSPerMB=1 -Xss256k -Dcatalina.base=/opt/zimbra/apache-tomcat-5.5.15 -Dcatalina.home=/opt/zimbra/apache-tomcat-5.5.15 -Djava.io.tmpdir=/opt/zimbra/apache-tomcat-5.5.15/temp -Djava.library.path=/opt/zimbra/lib -Djava.endorsed.dirs=/opt/zimbra/apache-tomcat-5.5.15/common/endorsed -classpath /opt/zimbra/apache-tomcat-5.5.15/bin/bootstrap.jar:/opt/zimbra/apache-tomcat-5.5.15/bin/commons-logging-api.jar:/opt/zimbra/lib/jars/zimbra-launcher.jar com.zimbra.cs.launcher.TomcatLauncher

[stuartg.orion]

The second java process, the tomcat one, only had -Djava.awt.headless. Note the missing =true. In your process list your main Zimbra process doesn't appear to have -Djava.awt.headless at all

You need to set your tomcat options again with

zmlocalconfig

and include the headless stuff

[Rich Graves]

Ah, thanks.

I'd set the options recommended at Performance Tuning Guidelines for Large Deployments - Zimbra :: Wiki which I reckon needs to be edited with this caveat.

Anything else I need to re-add from the default install?

I see references to "-client -XX:NewRatio=2" but I currently only have

tomcat_java_options = -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:SoftRefLRUPolicyMSPerMB=1

[inqueue]

Your tomcat_java_options needs to have -Djava.awt.headless=true. Defaults look like this:

tomcat_java_options = -client -XX:NewRatio=2 -Djava.awt.headless=true

I'm taking your support case btw.

--jason

[Rich Graves]

This is now SOLVED for me as well, thanks. Case closed.

Wiki page Performance_Tuning_Guidelines_for_Large_Deployment s should still be edited to warn future generations to leave the default options in place when adding tuning parameters.