[jira] [Created] (DRILL-5208) Finding path to java executable should be deterministic

["Krystal (JIRA)" <ji...@apache.org>]

Krystal created DRILL-5208:
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             Summary: Finding path to java executable should be deterministic
                 Key: DRILL-5208
                 URL: https://issues.apache.org/jira/browse/DRILL-5208
             Project: Apache Drill
          Issue Type: Bug
          Components: Tools, Build & Test
    Affects Versions: 1.10.0
            Reporter: Krystal
            Priority: Minor


Command to find JAVA in drill-config.sh is not deterministic.  drill-config.sh uses the following command to find JAVA:
JAVA=`find -L "$JAVA_HOME" -name $JAVA_BIN -type f | head -n 1`

On one of my node the following command returned 2 entries:
find -L $JAVA_HOME -name java -type f
/usr/local/java/jdk1.7.0_67/jre/bin/java
/usr/local/java/jdk1.7.0_67/bin/java

On another node, the same command returned entries in different order:
find -L $JAVA_HOME -name java -type f
/usr/local/java/jdk1.7.0_67/bin/java
/usr/local/java/jdk1.7.0_67/jre/bin/java

The complete command picks the first one returned which may not be the same on each node:
find -L $JAVA_HOME -name java -type f | head -n 1
/usr/local/java/jdk1.7.0_67/jre/bin/java

If JAVA_HOME is found, we should just append the "bin/java" to the path"
JAVA=$JAVA_HOME/bin/java



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