Rafael Jaimes created DRILL-7695:
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Summary: java JDK check
Key: DRILL-7695
URL: https://issues.apache.org/jira/browse/DRILL-7695
Project: Apache Drill
Issue Type: Improvement
Components: Documentation
Reporter: Rafael Jaimes
The 10 minute tutorial suggests 'java -version' to check if a JDK is installed.
I believe it only shows the JRE. Because OpenJDK includes a JRE variant only,
it can sometimes be confusing as to whether someone who's installed an openjdk
package actually has the full JDK or just a JRE.
I believe the better command is: '{{javac -version}}' to check for the
existence of a java compiler, which should be better represented of having a
JDK installed.
On my Red Hat 7 system, I installed java-1.8.0-openjdk-devel.x86_64
>>> javac -version
javac 1.8.0_242
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