tanvipenumudy commented on code in PR #6975:
URL: https://github.com/apache/ozone/pull/6975#discussion_r1688336668


##########
hadoop-ozone/dist/src/shell/ozone/ozone:
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@@ -81,6 +81,21 @@ function ozonecmd_case
   # Corresponding Ratis issue https://issues.apache.org/jira/browse/RATIS-534.
   
RATIS_OPTS="-Dorg.apache.ratis.thirdparty.io.netty.allocator.useCacheForAllThreads=false
 ${RATIS_OPTS}"
 
+  # Add JVM parameter for Java 9+
+  # (org.apache.ratis.thirdparty.io.netty.tryReflectionSetAccessible=true) to 
allow Netty unsafe memory allocation.
+  # Corresponding issue https://issues.apache.org/jira/browse/HDDS-10382.
+  NETTY_OPTS=""
+
+  # Get the version string
+  JAVA_VERSION_STRING=$(java -version 2>&1)
+
+  # Extract the major version number
+  JAVA_MAJOR_VERSION=$(echo "$JAVA_VERSION_STRING" | grep -oE 
'[0-9]+(\.[0-9]+)*' | head -n 1 | awk -F. '{print ($1 == 1 ? $2 : $1)}')
+
+  if [[ "${JAVA_MAJOR_VERSION}" -ge "9" ]]; then
+    
NETTY_OPTS="-Dorg.apache.ratis.thirdparty.io.netty.tryReflectionSetAccessible=true"

Review Comment:
   +1



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