Category: Server

Server

Apache Tomcat Common Log Errors and their Meanings

Apache: (http-errs) mod_jk child init 1 0 – harmless, disregard Generally, these next 4 errors occur when a user stops loading a page: Error ajp_process_callback – write failed – The remote browser client aborted the HTTP request – can happen when Tomcat is overloaded and request latency increases significantly – user breaks browser connection while downloading data – error #1 in set ajp13.service() ajpGetReply recoverable error 3 – harmless ajp error? Comes with above error – error #2 in set ajp13.service() Error forwarding ajp13:<server:port> 1 0 – another harmless ajp error? error #3 in set mod_jk.handler() Error connecting to tomcat […]

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Server

Investigating SSL communication issues

Scenario: Environment: You have a SSL/HTTPS based web site, say: https://gunnalag.com/  It’s hosted on two web servers one running IIS6 on (W2K3) and another running IIS7 (W2K8R2) in a data center and you have two such data centers.  The web site runs Java Servlets and is hosted in Tomcat with IIS fronting the requests Each web server has three network cards with three different Static IP-Addresses These web servers are located in DMZ behind the Load Balancer and Firewall The Load Balancer distributes the traffic between two of the web servers on private IP addresses Firewall is configured to run […]

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Server, Windows Technologies

Troubleshooting SSL related issues (Server Certificate) : The Official Microsoft IIS Site

Troubleshooting SSL related issues (Server Certificate) By Kaushal Kumar Panday April 9, 2012 Tools Used in this Troubleshooter: SSLDiag Network Monitor 3.4/Wireshark This material is provided for informational purposes only. Microsoft makes no warranties, express or implied. Overview This document will help you in troubleshooting SSL issues related to IIS only. Client Certificates troubleshooting will not be covered in this document. Server Certificates are meant for Server Authentication and we will be dealing only with Server Certificates in this document. If the Client certificates section is set to “Require” and then you run into issues, then please don’t refer this […]

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