lgxbslgx commented on code in PR #16008:
URL: https://github.com/apache/pulsar/pull/16008#discussion_r895671920


##########
conf/pulsar_env.sh:
##########
@@ -60,6 +60,10 @@ for token in $("$JAVA_BIN" -version 2>&1 | grep 'version 
"'); do
           JAVA_MAJOR_VERSION=${BASH_REMATCH[1]}
         fi
         break
+    elif [[ $token =~ \"([[:digit:]]+)(.*)\" ]]; then

Review Comment:
   From the standard, I find the pattern 
`\"([[:digit:]]+)\.([[:digit:]]+)\.(.*)\"` can't handle the version like 
`1.9-XXX`. I remove the unnecessary latest dot `\.`.



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