diff --git a/1000-Added-support-for-building-the-riscv64-protoc-binari.patch b/1000-Added-support-for-building-the-riscv64-protoc-binari.patch
new file mode 100644
index 0000000000000000000000000000000000000000..99e378c3413cad946a1baacbba7488c6e3f7b06b
--- /dev/null
+++ b/1000-Added-support-for-building-the-riscv64-protoc-binari.patch
@@ -0,0 +1,56 @@
+From d2e38e91ad8577126c180ca9d7587c90464f5062 Mon Sep 17 00:00:00 2001
+From: Dingli Zhang <dingli@iscas.ac.cn>
+Date: Mon, 29 Apr 2024 13:42:13 +0800
+Subject: [PATCH] Added support for building the riscv64 protoc binaries with
+ Kokoro
+
+
+diff --git a/kokoro/release/protoc/linux/build.sh b/kokoro/release/protoc/linux/build.sh
+index f0cde494f..c92941c47 100755
+--- a/kokoro/release/protoc/linux/build.sh
++++ b/kokoro/release/protoc/linux/build.sh
+@@ -21,6 +21,9 @@ protoc-artifacts/build-protoc.sh linux aarch_64 protoc
+ sudo apt install -y g++-powerpc64le-linux-gnu
+ protoc-artifacts/build-protoc.sh linux ppcle_64 protoc
+ 
++sudo apt install -y g++-riscv64-linux-gnu
++protoc-artifacts/build-protoc.sh linux riscv64 protoc
++
+ # Use docker image to build linux artifacts.
+ DOCKER_IMAGE_NAME=protobuf/protoc_$(sha1sum protoc-artifacts/Dockerfile | cut -f1 -d " ")
+ docker pull $DOCKER_IMAGE_NAME
+diff --git a/protoc-artifacts/build-protoc.sh b/protoc-artifacts/build-protoc.sh
+index 54b75a6d8..cb024d6bd 100755
+--- a/protoc-artifacts/build-protoc.sh
++++ b/protoc-artifacts/build-protoc.sh
+@@ -93,6 +93,8 @@ checkArch ()
+         assertEq $format "elf64-x86-64" $LINENO
+       elif [[ "$ARCH" == aarch_64 ]]; then
+         assertEq $format "elf64-little" $LINENO
++      elif [[ "$ARCH" == riscv64 ]]; then
++        assertEq $format "elf64-littleriscv" $LINENO
+       elif [[ "$ARCH" == ppcle_64 ]]; then
+ 	if [[ $host_machine == ppc64le ]];then
+ 	  assertEq $format "elf64-powerpcle" $LINENO
+@@ -151,6 +153,9 @@ checkDependencies ()
+     elif [[ "$ARCH" == aarch_64 ]]; then
+       dump_cmd='objdump -p '"$1"' | grep NEEDED'
+       white_list="libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-aarch64\.so\.1"
++    elif [[ "$ARCH" == riscv64 ]]; then
++      dump_cmd='objdump -p '"$1"' | grep NEEDED'
++      white_list="libz\.so\.1\|libm\.so\.6\|libc\.so\.6\|ld-linux-riscv64-lp64d\.so\.1"
+     fi
+   elif [[ "$OS" == osx ]]; then
+     dump_cmd='otool -L '"$1"' | fgrep dylib'
+@@ -215,6 +220,8 @@ elif [[ "$(uname)" == Linux* ]]; then
+     elif [[ "$ARCH" == ppcle_64 ]]; then
+       CXXFLAGS="$CXXFLAGS -m64"
+       CONFIGURE_ARGS="$CONFIGURE_ARGS --host=powerpc64le-linux-gnu"
++    elif [[ "$ARCH" == riscv64 ]]; then
++      CONFIGURE_ARGS="$CONFIGURE_ARGS --host=riscv64-linux-gnu"
+     else
+       fail "Unsupported arch: $ARCH"
+     fi
+-- 
+2.41.0
+
diff --git a/1001-Added-support-for-building-the-riscv64-protoc-gen-gr.patch b/1001-Added-support-for-building-the-riscv64-protoc-gen-gr.patch
new file mode 100644
index 0000000000000000000000000000000000000000..e84faa05f2c2e5b2e83c1e8a40b0ddfeafb3bf72
--- /dev/null
+++ b/1001-Added-support-for-building-the-riscv64-protoc-gen-gr.patch
@@ -0,0 +1,175 @@
+From 78df1e23afdb5b4f53004a807f9ffa9ac13be2e1 Mon Sep 17 00:00:00 2001
+From: Dingli Zhang <dingli@iscas.ac.cn>
+Date: Mon, 29 Apr 2024 16:52:34 +0800
+Subject: [PATCH] Added support for building the riscv64 protoc-gen-grpc-java
+ binaries with Kokoro
+
+
+diff --git a/build.gradle b/build.gradle
+index db7be15f4..7c796341f 100644
+--- a/build.gradle
++++ b/build.gradle
+@@ -20,6 +20,8 @@ subprojects {
+     version = "1.26.0" // CURRENT_GRPC_VERSION
+ 
+     repositories {
++        maven { url 'file://@HOME@/.m2/repository'}
++        maven { url "https://mirrors.huaweicloud.com/repository/maven/"}
+         maven { // The google mirror is less flaky than mavenCentral()
+             url "https://maven-central.storage-download.googleapis.com/repos/central/data/" }
+         mavenCentral()
+diff --git a/buildscripts/kokoro/linux_artifacts.sh b/buildscripts/kokoro/linux_artifacts.sh
+index cdf360762..b3c055e9e 100755
+--- a/buildscripts/kokoro/linux_artifacts.sh
++++ b/buildscripts/kokoro/linux_artifacts.sh
+@@ -37,3 +37,7 @@ cp -r "$LOCAL_MVN_TEMP"/* "$MVN_ARTIFACT_DIR"/
+ # for aarch64 platform
+ sudo apt-get install -y g++-aarch64-linux-gnu
+ SKIP_TESTS=true ARCH=aarch_64 "$GRPC_JAVA_DIR"/buildscripts/kokoro/unix.sh
++
++# for riscv64 platform
++sudo apt-get install -y g++-riscv64-linux-gnu
++SKIP_TESTS=true ARCH=riscv64 "$GRPC_JAVA_DIR"/buildscripts/kokoro/unix.sh
+diff --git a/buildscripts/kokoro/unix.sh b/buildscripts/kokoro/unix.sh
+index c64bc7e22..48e36ce22 100755
+--- a/buildscripts/kokoro/unix.sh
++++ b/buildscripts/kokoro/unix.sh
+@@ -9,6 +9,8 @@
+ #  ARCH=x86_32 ./buildscripts/kokoro/unix.sh
+ # For aarch64 arch:
+ #  ARCH=aarch_64 ./buildscripts/kokoro/unix.sh
++# For riscv64 arch:
++#  ARCH=riscv64 ./buildscripts/kokoro/unix.sh
+ 
+ # This script assumes `set -e`. Removing it may lead to undefined behavior.
+ set -exu -o pipefail
+@@ -36,7 +38,7 @@ GRADLE_FLAGS+=" -PtargetArch=$ARCH"
+ GRADLE_FLAGS+=" -Pcheckstyle.ignoreFailures=false"
+ GRADLE_FLAGS+=" -PfailOnWarnings=true"
+ GRADLE_FLAGS+=" -PerrorProne=true"
+-GRADLE_FLAGS+=" -Dorg.gradle.parallel=true"
++GRADLE_FLAGS+=" -Dorg.gradle.parallel=false"
+ export GRADLE_OPTS="-Xmx512m"
+ 
+ # Make protobuf discoverable by :grpc-compiler
+@@ -72,7 +74,7 @@ fi
+ LOCAL_MVN_TEMP=$(mktemp -d)
+ # Note that this disables parallel=true from GRADLE_FLAGS
+ if [[ -z "${ALL_ARTIFACTS:-}" ]]; then
+-  if [[ $ARCH == "aarch_64" ]]; then
++  if [[ $ARCH == "aarch_64" || $ARCH == "riscv64" ]]; then
+     GRADLE_FLAGS+=" -x grpc-compiler:generateTestProto -x grpc-compiler:generateTestLiteProto"
+     GRADLE_FLAGS+=" -x grpc-compiler:testGolden -x grpc-compiler:testLiteGolden"
+     GRADLE_FLAGS+=" -x grpc-compiler:testDeprecatedGolden -x grpc-compiler:testDeprecatedLiteGolden"
+diff --git a/buildscripts/kokoro/upload_artifacts.sh b/buildscripts/kokoro/upload_artifacts.sh
+index c3c97444d..215573e5e 100644
+--- a/buildscripts/kokoro/upload_artifacts.sh
++++ b/buildscripts/kokoro/upload_artifacts.sh
+@@ -30,6 +30,9 @@ LOCAL_MVN_ARTIFACTS="$KOKORO_GFILE_DIR"/github/grpc-java/mvn-artifacts/
+ # for linux aarch64 platform
+ [[ "$(find "$LOCAL_MVN_ARTIFACTS" -type f -iname 'protoc-gen-grpc-java-*-linux-aarch_64.exe' | wc -l)" != '0' ]]
+ 
++# for linux riscv64 platform
++[[ "$(find "$LOCAL_MVN_ARTIFACTS" -type f -iname 'protoc-gen-grpc-java-*-linux-riscv64.exe' | wc -l)" != '0' ]]
++
+ # from macos job:
+ [[ "$(find "$LOCAL_MVN_ARTIFACTS" -type f -iname 'protoc-gen-grpc-java-*-osx-x86_64.exe' | wc -l)" != '0' ]]
+ 
+diff --git a/buildscripts/make_dependencies.sh b/buildscripts/make_dependencies.sh
+index 92ef9d7f7..9b5441d5b 100755
+--- a/buildscripts/make_dependencies.sh
++++ b/buildscripts/make_dependencies.sh
+@@ -7,8 +7,8 @@ PROTOBUF_VERSION=3.11.0
+ 
+ # ARCH is x86_64 bit unless otherwise specified.
+ ARCH="${ARCH:-x86_64}"
+-DOWNLOAD_DIR=/tmp/source
+-INSTALL_DIR="/tmp/protobuf-cache/$PROTOBUF_VERSION/$(uname -s)-$ARCH"
++DOWNLOAD_DIR=/var/tmp/source
++INSTALL_DIR="/var/tmp/protobuf-cache/$PROTOBUF_VERSION/$(uname -s)-$ARCH"
+ mkdir -p $DOWNLOAD_DIR
+ 
+ # Start with a sane default
+@@ -36,6 +36,8 @@ else
+       --prefix="$INSTALL_DIR"
+   elif [[ "$ARCH" == aarch* ]]; then
+     ./configure --disable-shared --host=aarch64-linux-gnu --prefix="$INSTALL_DIR"
++  elif [[ "$ARCH" == riscv* ]]; then
++    ./configure --disable-shared --host=riscv64-linux-gnu --prefix="$INSTALL_DIR"
+   fi
+   # the same source dir is used for 32 and 64 bit builds, so we need to clean stale data first
+   make clean
+diff --git a/compiler/build.gradle b/compiler/build.gradle
+index 098f48c30..932252a01 100644
+--- a/compiler/build.gradle
++++ b/compiler/build.gradle
+@@ -55,6 +55,7 @@ model {
+                 cppCompiler.executable = 'aarch64-linux-gnu-g++'
+                 linker.executable = 'aarch64-linux-gnu-g++'
+             }
++            target("riscv64")
+             target("s390_64")
+         }
+         clang(Clang) {
+@@ -66,6 +67,7 @@ model {
+         x86_64 { architecture "x86_64" }
+         ppcle_64 { architecture "ppcle_64" }
+         aarch_64 { architecture "aarch_64" }
++        riscv64 { architecture "riscv64" }
+         s390_64 { architecture "s390_64" }
+     }
+ 
+@@ -76,6 +78,7 @@ model {
+                 'x86_64',
+                 'ppcle_64',
+                 'aarch_64',
++                'riscv64',
+                 's390_64'
+             ]) {
+                 // If arch is not within the defined platforms, we do not specify the
+diff --git a/compiler/check-artifact.sh b/compiler/check-artifact.sh
+index 13ae89c74..e48ec227d 100755
+--- a/compiler/check-artifact.sh
++++ b/compiler/check-artifact.sh
+@@ -55,12 +55,15 @@ checkArch ()
+     format="$(objdump -f "$1" | grep -o "file format .*$" | grep -o "[^ ]*$")"
+     echo Format=$format
+     if [[ "$OS" == linux ]]; then
++      host_machine="$(uname -m)";
+       if [[ "$ARCH" == x86_32 ]]; then
+         assertEq "$format" "elf32-i386" $LINENO
+       elif [[ "$ARCH" == x86_64 ]]; then
+         assertEq "$format" "elf64-x86-64" $LINENO
+       elif [[ "$ARCH" == aarch_64 ]]; then
+         assertEq "$format" "elf64-little" $LINENO
++      elif [[ "$ARCH" == riscv64 ]]; then
++        assertEq $format "elf64-littleriscv" $LINENO
+       else
+         fail "Unsupported arch: $ARCH"
+       fi
+@@ -108,6 +111,9 @@ checkDependencies ()
+     elif [[ "$ARCH" == aarch_64 ]]; then
+       dump_cmd='aarch64-linux-gnu-objdump -x '"$1"' |grep "NEEDED"'
+       white_list="linux-vdso\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-aarch64\.so\.1"
++    elif [[ "$ARCH" == riscv64 ]]; then
++      dump_cmd='objdump -p '"$1"' | grep NEEDED'
++      white_list="libm\.so\.6\|libc\.so\.6\|ld-linux-riscv64-lp64d\.so\.1"
+     fi
+   elif [[ "$OS" == osx ]]; then
+     dump_cmd='otool -L '"$1"' | fgrep dylib'
+diff --git a/settings.gradle b/settings.gradle
+index 3f9a7e6ef..9f1c058ae 100644
+--- a/settings.gradle
++++ b/settings.gradle
+@@ -2,7 +2,7 @@ pluginManagement {
+     plugins {
+         id "com.github.johnrengelman.shadow" version "2.0.4"
+         id "com.github.kt3k.coveralls" version "2.0.1"
+-        id "com.google.osdetector" version "1.4.0"
++        id "com.google.osdetector" version "1.7.2"
+         id "com.google.protobuf" version "0.8.8"
+         id "me.champeau.gradle.japicmp" version "0.2.5"
+         id "me.champeau.gradle.jmh" version "0.4.5"
+-- 
+2.41.0
+
diff --git a/1002-Added-support-for-building-the-riscv64-protoc-binari.patch b/1002-Added-support-for-building-the-riscv64-protoc-binari.patch
new file mode 100644
index 0000000000000000000000000000000000000000..a931d9883f9528ae349083d19419ecebc9718cef
--- /dev/null
+++ b/1002-Added-support-for-building-the-riscv64-protoc-binari.patch
@@ -0,0 +1,56 @@
+From bf28c79d4fcf26a517bf35020162770ab28374b8 Mon Sep 17 00:00:00 2001
+From: Dingli Zhang <dingli@iscas.ac.cn>
+Date: Fri, 31 May 2024 02:09:02 +0000
+Subject: [PATCH] Added support for building the riscv64 protoc binaries with
+ Kokoro
+
+
+diff --git a/kokoro/release/protoc/linux/build.sh b/kokoro/release/protoc/linux/build.sh
+index d165a896b..cd84a3cdb 100755
+--- a/kokoro/release/protoc/linux/build.sh
++++ b/kokoro/release/protoc/linux/build.sh
+@@ -22,6 +22,9 @@ protoc-artifacts/build-protoc.sh linux aarch_64 protoc
+ sudo apt install -y g++-powerpc64le-linux-gnu
+ protoc-artifacts/build-protoc.sh linux ppcle_64 protoc
+ 
++sudo apt install -y g++-riscv64-linux-gnu
++protoc-artifacts/build-protoc.sh linux riscv64 protoc
++
+ sudo apt install -y g++-s390x-linux-gnu
+ protoc-artifacts/build-protoc.sh linux s390x_64 protoc
+ 
+diff --git a/protoc-artifacts/build-protoc.sh b/protoc-artifacts/build-protoc.sh
+index 6ad2ea1a1..a9df70f2d 100755
+--- a/protoc-artifacts/build-protoc.sh
++++ b/protoc-artifacts/build-protoc.sh
+@@ -93,6 +93,8 @@ checkArch ()
+         assertEq $format "elf64-x86-64" $LINENO
+       elif [[ "$ARCH" == aarch_64 ]]; then
+         assertEq $format "elf64-little" $LINENO
++      elif [[ "$ARCH" == riscv64 ]]; then
++        assertEq $format "elf64-littleriscv" $LINENO
+       elif [[ "$ARCH" == s390x_64 ]]; then
+ 	if [[ $host_machine == s390x ]];then
+ 	  assertEq $format "elf64-s390" $LINENO
+@@ -162,6 +164,9 @@ checkDependencies ()
+     elif [[ "$ARCH" == aarch_64 ]]; then
+       dump_cmd='objdump -p '"$1"' | grep NEEDED'
+       white_list="libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-aarch64\.so\.1"
++    elif [[ "$ARCH" == riscv64 ]]; then
++      dump_cmd='objdump -p '"$1"' | grep NEEDED'
++      white_list="libz\.so\.1\|libm\.so\.6\|libc\.so\.6\|ld-linux-riscv64-lp64d\.so\.1"
+     fi
+   elif [[ "$OS" == osx ]]; then
+     dump_cmd='otool -L '"$1"' | fgrep dylib'
+@@ -226,6 +231,8 @@ elif [[ "$(uname)" == Linux* ]]; then
+     elif [[ "$ARCH" == ppcle_64 ]]; then
+       CXXFLAGS="$CXXFLAGS -m64"
+       CONFIGURE_ARGS="$CONFIGURE_ARGS --host=powerpc64le-linux-gnu"
++    elif [[ "$ARCH" == riscv64 ]]; then
++      CONFIGURE_ARGS="$CONFIGURE_ARGS --host=riscv64-linux-gnu"
+     elif [[ "$ARCH" == s390x_64 ]]; then
+       CXXFLAGS="$CXXFLAGS -m64"
+       CONFIGURE_ARGS="$CONFIGURE_ARGS --host=s390x-linux-gnu"
+-- 
+2.41.0
+
diff --git a/_multibuild b/_multibuild
new file mode 100644
index 0000000000000000000000000000000000000000..d1da54fb440d2e684072ff27214574099d6c7389
--- /dev/null
+++ b/_multibuild
@@ -0,0 +1,4 @@
+<multibuild>
+  <flavor>hadoop-protoc</flavor>
+  <flavor>hadoop-protoc-gen-grpc-java</flavor>
+</multibuild>
diff --git a/gradle-5.6.2-bin.zip b/gradle-5.6.2-bin.zip
new file mode 100644
index 0000000000000000000000000000000000000000..9a5114938aa302e23b63ab20a1188ec211bb1171
Binary files /dev/null and b/gradle-5.6.2-bin.zip differ
diff --git a/hadoop-protoc-gen-grpc-java.spec b/hadoop-protoc-gen-grpc-java.spec
new file mode 100644
index 0000000000000000000000000000000000000000..83e67860ddb28f1920b9dbd5bc038a11b12abf7d
--- /dev/null
+++ b/hadoop-protoc-gen-grpc-java.spec
@@ -0,0 +1,75 @@
+%global _debuginfo_template %{nil}
+%global _debugsource_template %{nil}
+%global protobuf_version 3.11.0
+%global gradle_version 5.6.2
+
+Name:     hadoop-protoc-gen-grpc-java
+Version:  1.26.0
+Release:  1
+Summary:  Protobuf gRPC compiler for Java
+License:  MIT
+URL:      https://github.com/grpc/grpc-java
+Source0:  https://github.com/grpc/grpc-java/archive/refs/tags/v%{version}.tar.gz
+Source1:  https://services.gradle.org/distributions/gradle-%{gradle_version}-bin.zip
+Source2:  https://github.com/google/protobuf/releases/download/v%{protobuf_version}/protobuf-all-%{protobuf_version}.tar.gz
+Source3:  https://github.com/protocolbuffers/protobuf/archive/refs/tags/v%{protobuf_version}.tar.gz
+
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  gcc-c++
+BuildRequires:  libtool
+BuildRequires:  pkgconfig
+BuildRequires:  zlib-devel
+BuildRequires:  libstdc++-static
+BuildRequires:  libstdc++-static
+BuildRequires:  java-1.8.0-openjdk-devel maven maven-local
+
+Patch0: 1001-Added-support-for-building-the-riscv64-protoc-gen-gr.patch
+Patch1: 1002-Added-support-for-building-the-riscv64-protoc-binari.patch
+
+%description
+Protobuf gRPC compiler for Java.
+
+%prep
+%setup -q -n grpc-java-%{version}
+%patch0 -p1
+
+sed -i "s,@HOME@,${HOME},g" build.gradle
+sed -i 's|https\\://services.gradle.org/distributions|file://%{_tmppath}/source|g' gradle/wrapper/gradle-wrapper.properties
+
+# prepare gradle and protobuf for build
+mkdir -p %{_tmppath}/source
+cp %{SOURCE1} %{_tmppath}/source
+tar xzf %{SOURCE2} -C %{_tmppath}/source
+mkdir -p %{_tmppath}/source/protoc-gen-tmp
+tar xzf %{SOURCE3} -C %{_tmppath}/source/protoc-gen-tmp
+
+# prepare protoc.exe for build
+pushd %{_tmppath}/source/protoc-gen-tmp/protobuf-%{protobuf_version}
+%patch1 -p1
+./autogen.sh
+%ifarch riscv64
+./protoc-artifacts/build-protoc.sh linux riscv64 protoc
+mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=%{protobuf_version} -Dclassifier=linux-riscv64 -Dpackaging=exe -Dfile=./protoc-artifacts/target/linux/riscv64/protoc.exe
+%endif
+popd
+
+%build
+%ifarch riscv64
+SKIP_TESTS=true ARCH=riscv64 ./buildscripts/kokoro/unix.sh
+%endif
+
+%install
+install -d -m 0755 %{buildroot}%{_bindir}/%{name}-%{version}
+%ifarch riscv64
+install -m 0755 mvn-artifacts/io/grpc/protoc-gen-grpc-java/%{version}/protoc-gen-grpc-java-%{version}-linux-riscv64.exe %{buildroot}%{_bindir}/%{name}-%{version}/protoc-gen-grpc-java-%{version}-linux-riscv64.exe
+%endif
+
+%files
+%ifarch riscv64
+%{_bindir}/%{name}-%{version}/protoc-gen-grpc-java-%{version}-linux-riscv64.exe
+%endif
+
+%changelog
+* Thu May 30 2024 Dingli Zhang <dingli@iscas.ac.cn> - 1.26.0-1
+- init package
\ No newline at end of file
diff --git a/hadoop-protoc.spec b/hadoop-protoc.spec
new file mode 100644
index 0000000000000000000000000000000000000000..a903ef838f06f173e88f24014a7aacff4ddcd531
--- /dev/null
+++ b/hadoop-protoc.spec
@@ -0,0 +1,60 @@
+%global _debuginfo_template %{nil}
+%global _debugsource_template %{nil}
+
+Summary:        Protocol Buffers - Google's data interchange format
+Name:           hadoop-protoc
+Version:        3.7.1
+Release:        1%{?dist}
+License:        BSD
+URL:            https://github.com/protocolbuffers/protobuf
+Source:         https://github.com/protocolbuffers/protobuf/archive/refs/tags/v%{version}%{?rcver}.tar.gz
+
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  gcc-c++
+BuildRequires:  libtool
+BuildRequires:  pkgconfig
+BuildRequires:  zlib-devel
+BuildRequires:  libstdc++-static
+
+Patch0: 1000-Added-support-for-building-the-riscv64-protoc-binari.patch
+
+%description
+Protocol Buffers are a way of encoding structured data in an efficient
+yet extensible format. Google uses Protocol Buffers for almost all of
+its internal RPC protocols and file formats.
+
+Protocol buffers are a flexible, efficient, automated mechanism for
+serializing structured data – think XML, but smaller, faster, and
+simpler. You define how you want your data to be structured once, then
+you can use special generated source code to easily write and read
+your structured data to and from a variety of data streams and using a
+variety of languages. You can even update your data structure without
+breaking deployed programs that are compiled against the "old" format.
+
+%prep
+%setup -q -n protobuf-%{version}%{?rcver}
+%patch0 -p1
+
+%build
+./autogen.sh
+pushd protoc-artifacts
+%ifarch riscv64
+./build-protoc.sh linux riscv64 protoc
+%endif
+popd
+
+%install
+install -d -m 0755 %{buildroot}%{_bindir}/%{name}-%{version}%{?rcver}
+%ifarch riscv64
+install -m 0755 protoc-artifacts/target/linux/riscv64/protoc.exe %{buildroot}%{_bindir}/%{name}-%{version}%{?rcver}/protoc.exe
+%endif
+
+%files
+%ifarch riscv64
+%{_bindir}/%{name}-%{version}%{?rcver}/protoc.exe
+%endif
+
+%changelog
+* Thu May 30 2024 Dingli Zhang <dingli@iscas.ac.cn> - 3.7.1-1
+- init package
\ No newline at end of file
diff --git a/hadoop.spec b/hadoop.spec
index 10499c99abf1c19559dee486f82ce76ddbd7d8a5..d5ba248f5020b1c6cac9e43c9cc3047ce008e7cc 100644
--- a/hadoop.spec
+++ b/hadoop.spec
@@ -11,7 +11,7 @@
 %define _binaries_in_noarch_packages_terminate_build 0
 Name:   hadoop
 Version: 3.3.6
-Release: 3
+Release: 4
 Summary: A software platform for processing vast amounts of data
 # The BSD license file is missing
 # https://issues.apache.org/jira/browse/HADOOP-9849
@@ -34,8 +34,6 @@ Source13: %{name}-yarn-site.xml
 Source14: yarn-v1.22.5.tar.gz
 Source15: node-12.22.1-linux-x64.tar.gz
 Source16: node-v12.22.1-linux-arm64.tar.gz
-Source17: protoc-3.7.1-linux-riscv64.exe
-Source18: protoc-gen-grpc-java-1.26.0-linux-riscv_64.exe
 
 Patch0: 01-lock-triple-beam-version-to-1.3.0.patch
 Patch1: 02-Upgrade-os-maven-plugin-to-1.7.1.patch
@@ -46,6 +44,10 @@ BuildRequires: java-1.8.0-openjdk-devel maven hostname maven-local tomcat cmake
 BuildRequires: cyrus-sasl-devel chrpath systemd protobuf2-compiler protobuf2-devel protobuf2-java protobuf2
 BuildRequires: leveldbjni leveldb-java hawtjni-runtime gcc-c++
 BuildRequires: npm chrpath
+%ifarch riscv64
+BuildRequires: hadoop-protoc hadoop-protoc-gen-grpc-java
+%endif
+
 Requires: java-1.8.0-openjdk protobuf2-java apache-zookeeper
 
 %description
@@ -260,8 +262,8 @@ This package contains files needed to run Apache Hadoop YARN in secure mode.
 %autosetup -p1 -n %{name}-%{version}-src
 %ifarch riscv64
 mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=2.5.0 -Dclassifier=linux-riscv64 -Dpackaging=exe -Dfile=/usr/bin/protoc
-mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.7.1 -Dclassifier=linux-riscv64 -Dpackaging=exe -Dfile=%{SOURCE17}
-mvn install:install-file -DgroupId=io.grpc -DartifactId=protoc-gen-grpc-java -Dversion=1.26.0 -Dclassifier=linux-riscv64 -Dpackaging=exe -Dfile=%{SOURCE18}
+mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=3.7.1 -Dclassifier=linux-riscv64 -Dpackaging=exe -Dfile=/usr/bin/%{name}-protoc-3.7.1/protoc.exe
+mvn install:install-file -DgroupId=io.grpc -DartifactId=protoc-gen-grpc-java -Dversion=1.26.0 -Dclassifier=linux-riscv64 -Dpackaging=exe -Dfile=/usr/bin/%{name}-protoc-gen-grpc-java-1.26.0/protoc-gen-grpc-java-1.26.0-linux-riscv64.exe
 %endif
 mvn install:install-file -DgroupId=org.fusesource.leveldbjni -DartifactId=leveldbjni-all -Dversion=1.8 -Dpackaging=jar -Dfile=/usr/lib/java/leveldbjni-all.jar
 mvn install:install-file -DgroupId=org.fusesource.leveldbjni -DartifactId=leveldbjni -Dversion=1.8 -Dpackaging=jar -Dfile=/usr/lib/java/leveldbjni/leveldbjni.jar
@@ -1159,6 +1161,10 @@ fi
 %config(noreplace) %{_sysconfdir}/%{name}/container-executor.cfg
 
 %changelog
+* Mon Jun 3 2024 Dingli Zhang <dingli@iscas.ac.cn> - 3.3.6-4
+- Remove binary and tar files for riscv64
+- Add multibuild spec because of no artifact for riscv64 on Maven Central Repository
+
 * Sun May 12 2024 Dingli Zhang <dingli@iscas.ac.cn> - 3.3.6-3
 - Fix build on riscv64
 - Upgrade os-maven-plugin to 1.7.1
diff --git a/protoc-3.7.1-linux-riscv64.exe b/protobuf-all-3.11.0.tar.gz
similarity index 39%
rename from protoc-3.7.1-linux-riscv64.exe
rename to protobuf-all-3.11.0.tar.gz
index 1df6bd51c1dfc28a20b2db34b51fa464f3476336..de5f76aaefe2c1e18ffb112e612b9aa2d8caf437 100644
Binary files a/protoc-3.7.1-linux-riscv64.exe and b/protobuf-all-3.11.0.tar.gz differ
diff --git a/protoc-gen-grpc-java-1.26.0-linux-riscv_64.exe b/protoc-gen-grpc-java-1.26.0-linux-riscv_64.exe
deleted file mode 100644
index e162d4128a1d09c19bcee67fc4ac078265c16413..0000000000000000000000000000000000000000
Binary files a/protoc-gen-grpc-java-1.26.0-linux-riscv_64.exe and /dev/null differ
diff --git a/v1.26.0.tar.gz b/v1.26.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..e2e1254670c6f449449b522313a07738734f9ebd
Binary files /dev/null and b/v1.26.0.tar.gz differ
diff --git a/v3.11.0.tar.gz b/v3.11.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..dcd77e1ae405e6cbf6d0657b870665ffaa7c5607
Binary files /dev/null and b/v3.11.0.tar.gz differ
diff --git a/v3.7.1.tar.gz b/v3.7.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..1f6ae64199846d92122afca23601df5d2aa587f8
Binary files /dev/null and b/v3.7.1.tar.gz differ