The only reason I find myself having to update Java is to maintain the Elasticsearch server we have running at WSU. Every time I want to update the provisioning configuration, I end up with 25 tabs open trying to figure out what version is needed and how to get it.
This is hopefully a shortcut for next time.
The Elasticsearch installation instructions told me that when they were written, JDK version 1.8.0_73 was required. My last commit on the provisioning script shows 8u72, which I’m going to guess is 1.8.0_72, so I need to update.
I found the page titled Java SE Development Kit 8 Downloads, which has a list of the current downloads for JDK 8. I’m going to ignore that 8 is not 1.8 and continue under the assumption that JDK 8 is really JDK 1.8 because naming.
At the time of this post, the available downloads are for Java SE Development Kit 8u101. I’m not sure how far off from the Elasticsearch requirements that is, so I found a page that displays Java release numbers and dates.
Of course now I see that there are CPU and PSU (OTN) versions. The PSU version is 102, the CPU is 101, what to do. Luckily, Oracle has a page explaining the Java release version naming. Even though 102 is higher than 101, Oracle recommends the CPU over the PSU. Ok.
I go back to the downloads page, click the radio button to accept the licensing agreement, copy the URL for jdk-8u101-linux-x64.tar.gz, and I’m done!
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