Why Red Hat Satellite fail with error 500 Error Internal Server Error when deleting a system?

Solution Verified - Updated -

Environment

  • Red Hat Satellite 5.7

Issue

  • Why Red Hat Satellite fail with error 500 Error Internal Server Error when deleting a system?

Resolution

  1. Increase the -Xmx value of tomcat6 on Red Hat Satellite server to higher number.
    Edit /etc/sysconfig/tomcat6 file and set:

    JAVA_OPTS="$JAVA_OPTS -ea -Xms256m -Xmx512m -Djava.awt.headless=true -Dorg.xml.sax.driver=org.apache.xerces.parsers.SAXParser -XX:MaxNewSize=256 -XX:-UseConcMarkSweepGC"

  2. Increase the httpd timeout:

    # vim /etc/httpd/conf/httpd.conf
[...]
Timeout 600
[...]

  3. Increase the timeout in /var/lib/tomcat6/webapps/rhn/WEB-INF/web.xml file.

    # vim /var/lib/tomcat6/webapps/rhn/WEB-INF/web.xml
[...]
<session-config>
<session-timeout>90</session-timeout>
</session-config>
[...]

  4. Increase the ProxyTimeout in /etc/httpd/conf.d/zz-spacewalk-www.conf file.

    # vim /etc/httpd/conf.d/zz-spacewalk-www.conf
[...]
ProxyTimeout 600
[...]

  5. Restart service:

    # rhn-satellite restart

Root Cause

  • Java out of memory

Diagnostic Steps

  • Entries from httpd logs:

    10.xx.xxx.xx - - [08/Jun/2015:19:27:32 +0000] "GET /rhn/systems/details/DeleteConfirm.do?sid=10000xxxxx HTTP/1.1" 200 11313
10.xx.xxx.xx - - [08/Jun/2015:19:27:34 +0000] "POST /rhn/systems/details/DeleteConfirm.do?sid=10000xxxxx HTTP/1.1" 500 2846
10.xx.xxx.xx - - [09/Jun/2015:11:07:00 +0000] "GET /rhn/systems/details/DeleteConfirm.do?sid=10000xxxxx HTTP/1.1" 200 11311
10.xx.xxx.xx - - [09/Jun/2015:11:07:02 +0000] "POST /rhn/systems/details/DeleteConfirm.do?sid=10000xxxxx HTTP/1.1" 500 2846

  • Entry from java core file:

    Dump Event "systhrow" (00040000) Detail "java/lang/OutOfMemoryError" "Java heap space" received

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