From cc19b949af25b9d4db80a62fd445ff1987cc8241 Mon Sep 17 00:00:00 2001
From: illustris <rharikrishnan95@gmail.com>
Date: Wed, 26 Jan 2022 13:31:38 +0530
Subject: [PATCH] hadoop: Add Java 8 support for Hadoop 3.2

---
 .../networking/cluster/hadoop/default.nix             | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/networking/cluster/hadoop/default.nix b/pkgs/applications/networking/cluster/hadoop/default.nix
index a16aff58a7c2..204cb9abecf7 100644
--- a/pkgs/applications/networking/cluster/hadoop/default.nix
+++ b/pkgs/applications/networking/cluster/hadoop/default.nix
@@ -87,8 +87,9 @@ in
       aarch64-linux = "00ln18vpi07jq2slk3kplyhcj8ad41n0yl880q5cihilk7daclxz";
       aarch64-darwin = aarch64-linux;
     };
-
+    jdk = jdk11_headless;
     inherit openssl;
+    # TODO: Package and add Intel Storage Acceleration Library
     nativeLibs = [ stdenv.cc.cc.lib protobuf3_7 zlib snappy ];
     libPatches = ''
       ln -s ${getLib cyrus_sasl}/lib/libsasl2.so $out/lib/${untarDir}/lib/native/libsasl2.so.2
@@ -96,8 +97,12 @@ in
       ln -s ${getLib zlib}/lib/libz.so.1 $out/lib/${untarDir}/lib/native/
       ln -s ${getLib zstd}/lib/libzstd.so.1 $out/lib/${untarDir}/lib/native/
       ln -s ${getLib bzip2}/lib/libbz2.so.1 $out/lib/${untarDir}/lib/native/
-    '' + optionalString stdenv.isLinux "patchelf --add-rpath ${jdk.home}/lib/server $out/lib/${untarDir}/lib/native/libnativetask.so.1.0.0";
-    jdk = jdk11_headless;
+    '' + optionalString stdenv.isLinux ''
+      # libjvm.so for Java >=11
+      patchelf --add-rpath ${jdk.home}/lib/server $out/lib/${untarDir}/lib/native/libnativetask.so.1.0.0
+      # Java 8 has libjvm.so at a different path
+      patchelf --add-rpath ${jdk.home}/jre/lib/amd64/server $out/lib/${untarDir}/lib/native/libnativetask.so.1.0.0
+    '';
     tests = nixosTests.hadoop;
   };
   hadoop_3_2 = common rec {