How To Fix Bamboo Start Errors After Java Upgrade

Author: , January 21st, 2020

PROBLEM DEFINITION Bamboo Catalina error found in catalina.out:

SOLUTION SUMMARY Correct by using Java 8 instead. Do it manually using alternatives –set, or interactively using alternatives –config. MANUAL PROCEDURE – two steps, one for java and one for javac

INTERACTIVE PROCEDURE – two steps, one for java and one for javac

Why is My Java Application Freezing Under Heavy I/O Load?

Author: , June 17th, 2019

Latency-sensitive applications running in Java sometimes experience unacceptable delays under heavy I/O load. This blog discusses why this problem occurs and what to do about it for applications running Tungsten Clustering for MySQL.

How To Add AWS EC2 API Tools to Ubuntu AMI Instance

Author: , March 28th, 2013 As root in /root: vim /etc/apt/sources.list ## Added to the bottom: deb hardy multiverse deb-src hardy multiverse deb hardy-updates multiverse deb-src hardy-updates multiverse apt-get update apt-get install sun-java5-jre apt-get install unzip wget unzip export EC2_HOME=/root/ec2-api-tools-1.3-34128 export PATH=$PATH:$EC2_HOME/bin mkdir .pem Copy downloaded X.509 private key and cert into […]

How To Use jPerfmeter with rpc.rstatd

Author: , November 1st, 2011

Download the program from SourceForge:

Create a shell wrapper called jperf:

Here is how I invoke jperfmeter using a shell script called perfmon: perfmon script

HINT: rpc.rstatd and jPerfmeter communicate using RPC via UDP – be sure to open your firewall to allow this.

How To Fix “trustAnchors parameter must be non-empty”

Author: , January 8th, 2011

Install the latest Sun version of the JDK and set $JAVA_HOME to it. # wget -O jdk-6u23-linux-i586-rpm.bin ‘’ # sh ./jdk-6u23-linux-i586-rpm.bin # export JAVA_HOME=/usr/java/latest