Category Archives: Uncategorized

Problem: Application reports APR exception as below javax.servlet.ServletException: Not in a valid Comet configuration (use an APR or NIO connector) at org.granite.gravity.jbossweb.AbstractHttpEventServlet.service(AbstractHttpEventServlet.java:217) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.jadsda Solution: Install JBOSS native libraries and … Continue reading →

IP tables port forwarding can be used to direct requests from one port to another. It is extremely helpful in situation where you need to run your application as non-root but still need to serve the app on port 80. … Continue reading →

ProblemSplunk reports error “Your maximum disk usage quota has been reached. The search was not run” when doing searches. Solution Login to Splunk. Click on Jobs link on top right corner. Delete the jobs and run search again.

You can build a Tealeaf report template to identify which web and app servers are hit by the users. This can save your troubleshooting time and get to the root cause quickly. I) Setup an Event1) Launch RealiTeaPro viewer.2) Navigate … Continue reading →

Please make sure your JBOSS LDAP connection works fine with clear password before proceeding with encryption. 1) Create a mbean file named encrypt-service.xml and place it in the deploy folder. encrypt-service.xml —————————————————————————— <mbean code=”org.jboss.security.plugins.JaasSecurityDomain” name=”jboss.security:service=JaasSecurityDomain,domain=jk-ldap-security”> <constructor> <arg type=”java.lang.String” value=”jk-ldap-security”></arg> </constructor> … Continue reading →

Splunk search dashboard summary displays sources, sourcetypes and hosts. These hosts will list your actual server name. If you would like to have user friendly name for your hosts, follow these steps.1) Navigate to http://{splunk_agent_host}:8000 and login to Splunk agent … Continue reading →

JBOSS Active Directory LDAP Integration 1) Edit the required application policy in $JBOSS_SERVER_HOME/conf/login-config.xml For example, if you want to secure the web-console application of jboss, edit the following application policy. <application-policy name=”ldap-encrypted”> <authentication> <login-module code=”org.jboss.security.auth.spi.LdapExtLoginModule” flag=”required” > <module-option name=”java.naming.factory.initial”>com.sun.jndi.ldap.LdapCtxFactory</module-option> <module-option … Continue reading →

1) SSH into LTM, update /config/bigip.conf with desired changes.Load the file:bigpipe loadbigpipe save

1) Install Splunk server2) Install Splunk on host machines you want to monitor. Please have splunk forwarder license on the host.3) Setup Splunk server as a receiver and the splunk on other target systems as forwarder 4) Setup ReceiverNavigate to … Continue reading →