Tag: java

keytool -list displays “JKS” for a PKCS12 keystore [work-a-round]

A server with Tomcat powered by OpenJDK 8 is using a keystore that is PKCS12 and not JKS. However, the keytool shows that the keystore type is JKS. I have accidentally discovered a work-a-round to this. The JAVA version openjdk version “1.8.0_191” OpenJDK Runtime Environment (build 1.8.0_191-b12) OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode) The Test Keystore type: jks…

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Atlassian JIRA support for unsupported OpenJDK

Atlassian JIRA does not support OpenJDK. Oracle has changed it licensing for Oracle JDK.  With that in mind, the goal is to use OpenJDK as a replacement for the Oracle JDK. This is possible and easy to do. Search for your jira install %JIRA_HOME/jira/bin/check-java.sh.  On the line that contains "java version" change it to "openjdk version", then restart your install...Read More »

Add Java JDK 8 Support to Confluence 5.6.1

Since the release of Atlassian Confluence 5.7, Java JDK 8 is officially supported. However, legacy versions of Confluence, in this particular case, version 5.6.1 is only officially supported through Java JDK 7.  From my reading only supported through Java JDK 7 Build 75. From java 7u767 and Java 8 onward, -Xloggc no longer accepts filenames with a ":" in it. ...Read More »

Run ColdFusion 9 with Java JDK 7

Java has recently put out a patch that certifies ColdFusion 9 to run with Java JDK 1.7.0_15 or newer. After applying the patch, upgrading to Java JDK 1.7.0_21, and manually copying a DLL, this ColdFusion 9.0.1 installation finally runs with Java JDK 7. While your version of ColdFusion may be different, here are the basic steps for ColdFusion 9.0.1 ColdFusion…

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How to uninstall Java for LInux

If the native Java for Linux has been installed and the goal is to remove it from the system and install the Oracle Java JDK. Here are the steps to do just that. This is here for reference, I have not fully tested this, in that the installation I was verifying did not have JRE as indicated in the original…

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Upgrade Java JDK on CentOS RHEL 5.5

This guide will detail the upgrade of the Java Development Kit (JDK) on a Red Hat Enterprise Linux (RHEL) 5.54 and CentOS 5.5 operating system. This example is accomplished through the use of PuTTY and XMing. In our example the following guide was used to install the original JAVA JDK. Install Java and Set Environment Variables Download JDK6 Note: The…

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Install JDK (Java Development Kit) on a RedHat Linux System

To install another application, I needed to install the JDK (Java Development Kit) on a RedHat Linux System. I found a good set of instructions and worked through the steps for a successful installation. The Redhat installation used is Red Hat 5 Enterprise Edition with the GUI. Using the GUI makes it possible for a newbie to maneuver through these…

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