[jira] [Created] (CASSANDRA-14325) Java executable check succeeds despite no java on PATH

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

Angelo Polo created CASSANDRA-14325:
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             Summary: Java executable check succeeds despite no java on PATH
                 Key: CASSANDRA-14325
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14325
             Project: Cassandra
          Issue Type: Bug
          Components: Lifecycle
            Reporter: Angelo Polo
         Attachments: bin_cassandra.patch

The check -z $JAVA on line 102 of bin/cassandra currently always succeeds if JAVA_HOME is not set since in this case JAVA gets set directly to 'java'. The error message "_Unable to find java executable. Check JAVA_HOME and PATH environment variables._" will never be echoed on a PATH misconfiguration. If java isn't on the PATH the failure will instead occur on line 95 of cassandra-env.sh at the java version check.

It would be better to check consistently for the java executable in one place in bin/cassandra. Also we don't want users to mistakenly think they have a java version problem when they in fact have a PATH problem.

See proposed patch.



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