This is an automated email from the ASF dual-hosted git repository.

iluo pushed a commit to branch makefile
in repository https://gitbox.apache.org/repos/asf/dubbo-go-samples.git


The following commit(s) were added to refs/heads/makefile by this push:
     new e42f3d2  make integration test works for async
e42f3d2 is described below

commit e42f3d28e79570ac1567194f8c277778bd07b769
Author: Ian Luo <ian....@gmail.com>
AuthorDate: Fri Oct 30 00:47:16 2020 +0800

    make integration test works for async
---
 async/go-client/assembly/bin/load.sh               | 203 ---------------------
 async/go-client/assembly/common/app.properties     |  23 ---
 async/go-client/assembly/common/build.sh           |  83 ---------
 async/go-client/assembly/linux/dev.sh              |  36 ----
 async/go-client/assembly/linux/release.sh          |  35 ----
 async/go-client/assembly/linux/test.sh             |  35 ----
 async/go-client/assembly/mac/dev.sh                |  36 ----
 async/go-client/assembly/mac/release.sh            |  34 ----
 async/go-client/assembly/mac/test.sh               |  34 ----
 async/go-client/assembly/windows/dev.sh            |  34 ----
 async/go-client/assembly/windows/release.sh        |  34 ----
 async/go-client/assembly/windows/test.sh           |  34 ----
 async/go-client/{app => cmd}/client.go             |  94 ++--------
 async/go-client/{profiles/dev => conf}/client.yml  |  30 +--
 async/go-client/{profiles/dev => conf}/log.yml     |   2 +-
 async/go-client/integration_testing.sh             |  31 ----
 {helloworld => async}/go-client/pkg/user.go        |   0
 async/go-server/assembly/bin/load.sh               | 151 ---------------
 async/go-server/assembly/common/app.properties     |  23 ---
 async/go-server/assembly/common/build.sh           |  80 --------
 async/go-server/assembly/linux/dev.sh              |  36 ----
 async/go-server/assembly/linux/release.sh          |  36 ----
 async/go-server/assembly/linux/test.sh             |  36 ----
 async/go-server/assembly/mac/dev.sh                |  36 ----
 async/go-server/assembly/mac/release.sh            |  36 ----
 async/go-server/assembly/mac/test.sh               |  36 ----
 async/go-server/assembly/windows/dev.sh            |  36 ----
 async/go-server/assembly/windows/release.sh        |  36 ----
 async/go-server/assembly/windows/test.sh           |  36 ----
 async/go-server/{app => cmd}/server.go             |  11 +-
 .../profiles/dev => go-server/conf}/client.yml     |  28 +--
 async/go-server/{profiles/dev => conf}/log.yml     |   2 +-
 async/go-server/{profiles/dev => conf}/server.yml  |  26 +--
 async/go-server/docker/docker-compose.yml          |   9 +
 async/go-server/integration_testing.sh             |  31 ----
 async/go-server/{app => pkg}/user.go               |   4 +-
 .../go-server/tests/integration/main_test.go       |  46 ++++-
 .../integration/userprovider_test.go}              |  67 +++----
 helloworld/go-client/pkg/user.go                   |  22 +++
 39 files changed, 170 insertions(+), 1432 deletions(-)

diff --git a/async/go-client/assembly/bin/load.sh 
b/async/go-client/assembly/bin/load.sh
deleted file mode 100644
index ffa240b..0000000
--- a/async/go-client/assembly/bin/load.sh
+++ /dev/null
@@ -1,203 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-APP_NAME="APPLICATION_NAME"
-APP_ARGS=""
-SLEEP_INTERVAL=5
-MAX_LIFETIME=4000
-
-PROJECT_HOME=""
-OS_NAME=`uname`
-if [[ ${OS_NAME} != "Windows" ]]; then
-    PROJECT_HOME=`pwd`
-    PROJECT_HOME=${PROJECT_HOME}"/"
-else
-    APP_NAME="APPLICATION_NAME.exe"
-fi
-
-export CONF_CONSUMER_FILE_PATH=${PROJECT_HOME}"TARGET_CONF_FILE"
-export APP_LOG_CONF_FILE=${PROJECT_HOME}"TARGET_LOG_CONF_FILE"
-# export GOTRACEBACK=system
-# export GODEBUG=gctrace=1
-
-usage() {
-    echo "Usage: $0 start [conf suffix]"
-    echo "       $0 stop"
-    echo "       $0 term"
-    echo "       $0 restart"
-    echo "       $0 list"
-    echo "       $0 monitor"
-    echo "       $0 crontab"
-    exit
-}
-
-start() {
-    arg=$1
-    if [ "$arg" = "" ];then
-        echo "No registry type! Default client.yml!"
-    else
-        export 
CONF_CONSUMER_FILE_PATH=${CONF_CONSUMER_FILE_PATH//\.yml/\_$arg\.yml}
-    fi
-    if [ ! -f "${CONF_CONSUMER_FILE_PATH}" ];then
-        echo $CONF_CONSUMER_FILE_PATH" is not existing!"
-        return
-    fi
-    APP_LOG_PATH=${PROJECT_HOME}"logs/"
-    mkdir -p ${APP_LOG_PATH}
-    APP_BIN=${PROJECT_HOME}sbin/${APP_NAME}
-    chmod u+x ${APP_BIN}
-    # CMD="nohup ${APP_BIN} ${APP_ARGS} >>${APP_NAME}.nohup.out 2>&1 &"
-    CMD="${APP_BIN}"
-    eval ${CMD}
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $1}'`
-    fi
-    CUR=`date +%FT%T`
-    if [ "${PID}" != "" ]; then
-        for p in ${PID}
-        do
-            echo "start ${APP_NAME} ( pid =" ${p} ") at " ${CUR}
-        done
-    fi
-}
-
-stop() {
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $1}'`
-    fi
-    if [ "${PID}" != "" ];
-    then
-        for ps in ${PID}
-        do
-            echo "kill -SIGINT ${APP_NAME} ( pid =" ${ps} ")"
-            kill -2 ${ps}
-        done
-    fi
-}
-
-
-term() {
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $1}'`
-    fi
-    if [ "${PID}" != "" ];
-    then
-        for ps in ${PID}
-        do
-            echo "kill -9 ${APP_NAME} ( pid =" ${ps} ")"
-            kill -9 ${ps}
-        done
-    fi
-}
-
-list() {
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk 
'{printf("%s,%s,%s,%s\n", $1, $2, $9, $10)}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk 
'{printf("%s,%s,%s,%s,%s\n", $1, $4, $6, $7, $8)}'`
-    fi
-
-    if [ "${PID}" != "" ]; then
-        echo "list ${APP_NAME}"
-
-        if [[ ${OS_NAME} == "Linux" || ${OS_NAME} == "Darwin" ]]; then
-            echo "index: user, pid, start, duration"
-        else
-            echo "index: PID, WINPID, UID, STIME, COMMAND"
-        fi
-        idx=0
-        for ps in ${PID}
-        do
-            echo "${idx}: ${ps}"
-            ((idx ++))
-        done
-    fi
-}
-
-monitor() {
-    idx=0
-    while true; do
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-        if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-            PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print 
$1}'`
-        fi
-        if [[ "${PID}" == "" ]]; then
-            start
-            idx=0
-        fi
-
-        ((LIFE=idx*${SLEEP_INTERVAL}))
-        echo "${APP_NAME} ( pid = " ${PID} ") has been working in normal state 
for " $LIFE " seconds."
-        ((idx ++))
-        sleep ${SLEEP_INTERVAL}
-    done
-}
-
-crontab() {
-    idx=0
-    while true; do
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-        if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-            PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print 
$1}'`
-        fi
-        if [[ "${PID}" == "" ]]; then
-            start
-            idx=0
-        fi
-
-        ((LIFE=idx*${SLEEP_INTERVAL}))
-        echo "${APP_NAME} ( pid = " ${PID} ") has been working in normal state 
for " $LIFE " seconds."
-        ((idx ++))
-        sleep ${SLEEP_INTERVAL}
-        if [[ ${LIFE} -gt ${MAX_LIFETIME} ]]; then
-            kill -9 ${PID}
-        fi
-    done
-}
-
-opt=$1
-case C"$opt" in
-    Cstart)
-        start $2
-        ;;
-    Cstop)
-        stop
-        ;;
-    Cterm)
-        term
-        ;;
-    Crestart)
-        term
-        start $2
-        ;;
-    Clist)
-        list
-        ;;
-    Cmonitor)
-        monitor
-        ;;
-    Ccrontab)
-        crontab
-        ;;
-    C*)
-        usage
-        ;;
-esac
-
diff --git a/async/go-client/assembly/common/app.properties 
b/async/go-client/assembly/common/app.properties
deleted file mode 100644
index e10868f..0000000
--- a/async/go-client/assembly/common/app.properties
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-export TARGET_EXEC_NAME="user_info_client"
-# BUILD_PACKAGE="dubbogo-examples/user-info/client/app"
-export BUILD_PACKAGE="app"
-
-export TARGET_CONF_FILE="conf/client.yml"
-export TARGET_LOG_CONF_FILE="conf/log.yml"
diff --git a/async/go-client/assembly/common/build.sh 
b/async/go-client/assembly/common/build.sh
deleted file mode 100644
index d38f889..0000000
--- a/async/go-client/assembly/common/build.sh
+++ /dev/null
@@ -1,83 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-rm -rf target/
-
-PROJECT_HOME=`pwd`
-TARGET_FOLDER=${PROJECT_HOME}/target/${GOOS}
-
-TARGET_SBIN_NAME=${TARGET_EXEC_NAME}
-version=`cat app/version.go | grep Version | grep -v "Apache" | awk -F '=' 
'{print $2}' | awk -F '"' '{print $2}'`
-if [[ ${GOOS} == "windows" ]]; then
-    TARGET_SBIN_NAME=${TARGET_SBIN_NAME}.exe
-fi
-TARGET_NAME=${TARGET_FOLDER}/${TARGET_SBIN_NAME}
-if [[ $PROFILE == "dev" ||  $PROFILE == "test" ]]; then
-    # GFLAGS=-gcflags "-N -l" -race -x -v # -x会把go build的详细过程输出
-    # GFLAGS=-gcflags "-N -l" -race -v
-    # GFLAGS="-gcflags \"-N -l\" -v"
-    cd ${BUILD_PACKAGE} && GOOS=$GOOS GOARCH=$GOARCH GO111MODULE=on go build 
-gcflags "-N -l" -x -v -i -o ${TARGET_NAME} && cd -
-else
-    # -s去掉符号表(然后panic时候的stack trace就没有任何文件名/行号信息了,这个等价于普通C/C++程序被strip的效果),
-    # -w去掉DWARF调试信息,得到的程序就不能用gdb调试了。-s和-w也可以分开使用,一般来说如果不打算用gdb调试,
-    # -w基本没啥损失。-s的损失就有点大了。
-    cd ${BUILD_PACKAGE} && GOOS=$GOOS GOARCH=$GOARCH GO111MODULE=on go build 
-ldflags "-w" -x -v -i -o ${TARGET_NAME} && cd -
-fi
-
-TAR_NAME=${TARGET_EXEC_NAME}-${version}-`date "+%Y%m%d-%H%M"`-${PROFILE}
-
-mkdir -p ${TARGET_FOLDER}/${TAR_NAME}
-
-SBIN_DIR=${TARGET_FOLDER}/${TAR_NAME}/sbin
-BIN_DIR=${TARGET_FOLDER}/${TAR_NAME}
-CONF_DIR=${TARGET_FOLDER}/${TAR_NAME}/conf
-
-mkdir -p ${SBIN_DIR}
-mkdir -p ${CONF_DIR}
-
-mv ${TARGET_NAME} ${SBIN_DIR}
-cp -r assembly/bin ${BIN_DIR}
-cd ${BIN_DIR}/bin/ && mv load.sh load_${TARGET_EXEC_NAME}.sh && cd -
-
-platform=$(uname)
-# modify APPLICATION_NAME
-if [ ${platform} == "Darwin" ]; then
-    sed -i "" "s~APPLICATION_NAME~${TARGET_EXEC_NAME}~g" ${BIN_DIR}/bin/*
-else
-    sed -i "s~APPLICATION_NAME~${TARGET_EXEC_NAME}~g" ${BIN_DIR}/bin/*
-fi
-
-# modify TARGET_CONF_FILE
-if [ ${platform} == "Darwin" ]; then
-    sed -i "" "s~TARGET_CONF_FILE~${TARGET_CONF_FILE}~g" ${BIN_DIR}/bin/*
-else
-    sed -i "s~TARGET_CONF_FILE~${TARGET_CONF_FILE}~g" ${BIN_DIR}/bin/*
-fi
-
-# modify TARGET_LOG_CONF_FILE
-if [ ${platform} == "Darwin" ]; then
-    sed -i "" "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" 
${BIN_DIR}/bin/*
-else
-    sed -i "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" ${BIN_DIR}/bin/*
-fi
-
-cp -r profiles/${PROFILE}/* ${CONF_DIR}
-
-cd ${TARGET_FOLDER}
-
-tar czf ${TAR_NAME}.tar.gz ${TAR_NAME}/*
-
diff --git a/async/go-client/assembly/linux/dev.sh 
b/async/go-client/assembly/linux/dev.sh
deleted file mode 100644
index eada737..0000000
--- a/async/go-client/assembly/linux/dev.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=linux
-export GOARCH=amd64
-
-export PROFILE="dev"
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/linux/release.sh 
b/async/go-client/assembly/linux/release.sh
deleted file mode 100644
index 10eb3d7..0000000
--- a/async/go-client/assembly/linux/release.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=linux
-export GOARCH=amd64
-
-export PROFILE="release"
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/linux/test.sh 
b/async/go-client/assembly/linux/test.sh
deleted file mode 100644
index 78b650c..0000000
--- a/async/go-client/assembly/linux/test.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=linux
-export GOARCH=amd64
-
-export PROFILE="test"
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/mac/dev.sh 
b/async/go-client/assembly/mac/dev.sh
deleted file mode 100644
index c828476..0000000
--- a/async/go-client/assembly/mac/dev.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=darwin
-export GOARCH=amd64
-
-export PROFILE="dev"
-
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-       . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-       sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/mac/release.sh 
b/async/go-client/assembly/mac/release.sh
deleted file mode 100644
index 91c2dfe..0000000
--- a/async/go-client/assembly/mac/release.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=darwin
-export GOARCH=amd64
-
-export PROFILE="release"
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/mac/test.sh 
b/async/go-client/assembly/mac/test.sh
deleted file mode 100644
index a7853f5..0000000
--- a/async/go-client/assembly/mac/test.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-set -e
-
-export GOOS=darwin
-export GOARCH=amd64
-
-export PROFILE="test"
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/windows/dev.sh 
b/async/go-client/assembly/windows/dev.sh
deleted file mode 100644
index 6487b30..0000000
--- a/async/go-client/assembly/windows/dev.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=windows
-export GOARCH=amd64
-
-export PROFILE="dev"
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/windows/release.sh 
b/async/go-client/assembly/windows/release.sh
deleted file mode 100644
index 21af573..0000000
--- a/async/go-client/assembly/windows/release.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=windows
-export GOARCH=amd64
-
-export PROFILE="release"
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/assembly/windows/test.sh 
b/async/go-client/assembly/windows/test.sh
deleted file mode 100644
index 2104da8..0000000
--- a/async/go-client/assembly/windows/test.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=windows
-export GOARCH=amd64
-
-export PROFILE="test"
-export PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-  . ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-  sh ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-client/app/client.go b/async/go-client/cmd/client.go
similarity index 54%
rename from async/go-client/app/client.go
rename to async/go-client/cmd/client.go
index 1d80808..b923e4e 100644
--- a/async/go-client/app/client.go
+++ b/async/go-client/cmd/client.go
@@ -19,107 +19,51 @@ package main
 
 import (
        "context"
-       "fmt"
        "os"
-       "os/signal"
-       "syscall"
        "time"
 )
 
 import (
+       hessian "github.com/apache/dubbo-go-hessian2"
+       "github.com/apache/dubbo-samples/golang/helloworld/go-client/pkg"
        "github.com/dubbogo/gost/log"
 )
 
 import (
-       hessian "github.com/apache/dubbo-go-hessian2"
-       "github.com/apache/dubbo-go/common"
-       "github.com/apache/dubbo-go/common/logger"
+       _ "github.com/apache/dubbo-go/cluster/cluster_impl"
+       _ "github.com/apache/dubbo-go/cluster/loadbalance"
        _ "github.com/apache/dubbo-go/common/proxy/proxy_factory"
        "github.com/apache/dubbo-go/config"
+       _ "github.com/apache/dubbo-go/filter/filter_impl"
        _ "github.com/apache/dubbo-go/protocol/dubbo"
        _ "github.com/apache/dubbo-go/registry/protocol"
-
-       _ "github.com/apache/dubbo-go/filter/filter_impl"
-
-       _ "github.com/apache/dubbo-go/cluster/cluster_impl"
-       _ "github.com/apache/dubbo-go/cluster/loadbalance"
        _ "github.com/apache/dubbo-go/registry/zookeeper"
 )
 
-var (
-       survivalTimeout int = 10e9
-)
+var userProvider = &pkg.UserProvider{
+       Ch: make(chan *pkg.User),
+}
 
-// they are necessary:
-//             export CONF_CONSUMER_FILE_PATH="xxx"
-//             export APP_LOG_CONF_FILE="xxx"
+func init() {
+       config.SetConsumerService(userProvider)
+       hessian.RegisterPOJO(&pkg.User{})
+}
+
+// need to setup environment variable "CONF_CONSUMER_FILE_PATH" to 
"conf/client.yml" before run
 func main() {
-       hessian.RegisterPOJO(&User{})
+       hessian.RegisterPOJO(&pkg.User{})
        config.Load()
-       time.Sleep(1e9)
+       time.Sleep(3 * time.Second)
 
        gxlog.CInfo("\n\n\nstart to test dubbo")
-       user := &User{}
+       user := &pkg.User{}
        err := userProvider.GetUser(context.TODO(), []interface{}{"A001"}, user)
        if err != nil {
                gxlog.CError("error: %v\n", err)
                os.Exit(1)
                return
        }
-       gxlog.CInfo("response result: %v\n", user)
-       //initSignal()
-}
-
-func initSignal() {
-       signals := make(chan os.Signal, 1)
-       // It is not possible to block SIGKILL or syscall.SIGSTOP
-       signal.Notify(signals, os.Interrupt, os.Kill, syscall.SIGHUP,
-               syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
-       for {
-               sig := <-signals
-               logger.Infof("get signal %s", sig.String())
-               switch sig {
-               case syscall.SIGHUP:
-                       // reload()
-               default:
-                       time.AfterFunc(time.Duration(survivalTimeout), func() {
-                               logger.Warnf("app exit now by force...")
-                               os.Exit(1)
-                       })
-
-                       // The program exits normally or timeout forcibly exits.
-                       fmt.Println("app exit now...")
-                       return
-               }
-       }
-}
-
-var userProvider = new(UserProvider)
-
-func init() {
-       config.SetConsumerService(userProvider)
-       hessian.RegisterPOJO(&User{})
-}
 
-type User struct {
-       Id   string
-       Name string
-       Age  int32
-       Time time.Time
-}
-
-type UserProvider struct {
-       GetUser func(ctx context.Context, req []interface{}, rsp *User) error
-}
-
-func (u *UserProvider) Reference() string {
-       return "UserProvider"
-}
-
-func (User) JavaClassName() string {
-       return "com.ikurento.user.User"
-}
-
-func (u *UserProvider) CallBack(res common.CallbackResponse) {
-       gxlog.CInfo("CallBack res: %v", res)
+       user = <-userProvider.Ch
+       gxlog.CInfo("response result: %v\n", user)
 }
diff --git a/async/go-client/profiles/dev/client.yml 
b/async/go-client/conf/client.yml
similarity index 68%
copy from async/go-client/profiles/dev/client.yml
copy to async/go-client/conf/client.yml
index de9224c..0f09e70 100644
--- a/async/go-client/profiles/dev/client.yml
+++ b/async/go-client/conf/client.yml
@@ -1,6 +1,5 @@
 # dubbo client yaml configure file
 
-
 check: true
 # client
 request_timeout : "3s"
@@ -9,37 +8,39 @@ connect_timeout : "3s"
 
 # application config
 application:
-  organization : "ikurento.com"
-  name  : "BDTService"
-  module : "dubbogo user-info client"
+  organization : "dubbo.io"
+  name  : "UserInfoClient"
+  module : "dubbo-go user-info client"
   version : "0.0.1"
-  owner : "ZX"
   environment : "dev"
 
+# registry config
 registries :
-  "hangzhouzk":
+  "demoZk":
     protocol: "zookeeper"
     timeout    : "3s"
     address: "127.0.0.1:2181"
     username: ""
     password: ""
 
+# reference config
 references:
   "UserProvider":
-    # 可以指定多个registry,使用逗号隔开;不指定默认向所有注册中心注册
-    registry: "hangzhouzk"
+    registry: "demoZk"
     protocol : "dubbo"
-    interface : "com.ikurento.user.UserProvider"
+    interface : "org.apache.dubbo.UserProvider"
     cluster: "failover"
     methods :
-      - name: "GetUser"
-        retries: 3
-    async : true
+    - name: "GetUser"
+      retries: 3
+    # this is necessary to enable async call
+    async: true
 
+# protocol config
 protocol_conf:
   dubbo:
     reconnect_interval: 0
-    connection_number: 2
+    connection_number: 1
     heartbeat_period: "5s"
     session_timeout: "180s"
     pool_size: 64
@@ -51,9 +52,10 @@ protocol_conf:
       keep_alive_period: "120s"
       tcp_r_buf_size: 262144
       tcp_w_buf_size: 65536
+      pkg_rq_size: 1024
       pkg_wq_size: 512
       tcp_read_timeout: "1s"
       tcp_write_timeout: "5s"
       wait_timeout: "1s"
-      max_msg_len: 10240
+      max_msg_len: 1024000
       session_name: "client"
diff --git a/async/go-client/profiles/dev/log.yml b/async/go-client/conf/log.yml
similarity index 93%
rename from async/go-client/profiles/dev/log.yml
rename to async/go-client/conf/log.yml
index 3ed242d..d0400fe 100644
--- a/async/go-client/profiles/dev/log.yml
+++ b/async/go-client/conf/log.yml
@@ -15,7 +15,7 @@ encoderConfig:
   callerKey: "caller"
   stacktraceKey: "stacktrace"
   lineEnding: ""
-  levelEncoder: "capitalColor"
+  levelEncoder: "capital"
   timeEncoder: "iso8601"
   durationEncoder: "seconds"
   callerEncoder: "short"
diff --git a/async/go-client/integration_testing.sh 
b/async/go-client/integration_testing.sh
deleted file mode 100755
index 49f7b49..0000000
--- a/async/go-client/integration_testing.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-#  Licensed to the Apache Software Foundation (ASF) under one or more
-#  contributor license agreements.  See the NOTICE file distributed with
-#  this work for additional information regarding copyright ownership.
-#  The ASF licenses this file to You under the Apache License, Version 2.0
-#  (the "License"); you may not use this file except in compliance with
-#  the License.  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-
-#!/bin/bash
-
-set -e
-set -x
-
-rm -rf assembly
-cp -r $1/.integration/testing/$2/assembly .
-assembly/linux/dev.sh
-cd target/*/*/
-# is async
-if [[ $3 ]]; then
-       nohup bin/load.sh start > a.out&
-else
-       bin/load.sh start
-fi
\ No newline at end of file
diff --git a/helloworld/go-client/pkg/user.go b/async/go-client/pkg/user.go
similarity index 100%
copy from helloworld/go-client/pkg/user.go
copy to async/go-client/pkg/user.go
diff --git a/async/go-server/assembly/bin/load.sh 
b/async/go-server/assembly/bin/load.sh
deleted file mode 100644
index 90077c2..0000000
--- a/async/go-server/assembly/bin/load.sh
+++ /dev/null
@@ -1,151 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-APP_NAME="APPLICATION_NAME"
-APP_ARGS=""
-
-
-PROJECT_HOME=""
-OS_NAME=`uname`
-if [[ ${OS_NAME} != "Windows" ]]; then
-    PROJECT_HOME=`pwd`
-    PROJECT_HOME=${PROJECT_HOME}"/"
-fi
-
-export CONF_PROVIDER_FILE_PATH=${PROJECT_HOME}"TARGET_CONF_FILE"
-export APP_LOG_CONF_FILE=${PROJECT_HOME}"TARGET_LOG_CONF_FILE"
-
-usage() {
-    echo "Usage: $0 start [conf suffix]"
-    echo "       $0 stop"
-    echo "       $0 term"
-    echo "       $0 restart"
-    echo "       $0 list"
-    echo "       $0 monitor"
-    echo "       $0 crontab"
-    exit
-}
-
-start() {
-    arg=$1
-    if [ "$arg" = "" ];then
-        echo "No registry type! Default server.yml!"
-    else
-        export 
CONF_PROVIDER_FILE_PATH=${CONF_PROVIDER_FILE_PATH//\.yml/\_$arg\.yml}
-    fi
-    if [ ! -f "${CONF_PROVIDER_FILE_PATH}" ];then
-        echo $CONF_PROVIDER_FILE_PATH" is not existing!"
-        return
-    fi
-    APP_LOG_PATH="${PROJECT_HOME}logs/"
-    mkdir -p ${APP_LOG_PATH}
-    APP_BIN=${PROJECT_HOME}sbin/${APP_NAME}
-    chmod u+x ${APP_BIN}
-    # CMD="nohup ${APP_BIN} ${APP_ARGS} >>${APP_NAME}.nohup.out 2>&1 &"
-    CMD="${APP_BIN}"
-    eval ${CMD}
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $1}'`
-    fi
-    CUR=`date +%FT%T`
-    if [ "${PID}" != "" ]; then
-        for p in ${PID}
-        do
-            echo "start ${APP_NAME} ( pid =" ${p} ") at " ${CUR}
-        done
-    fi
-}
-
-stop() {
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $1}'`
-    fi
-    if [ "${PID}" != "" ];
-    then
-        for ps in ${PID}
-        do
-            echo "kill -SIGINT ${APP_NAME} ( pid =" ${ps} ")"
-            kill -2 ${ps}
-        done
-    fi
-}
-
-
-term() {
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $2}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk '{print $1}'`
-    fi
-    if [ "${PID}" != "" ];
-    then
-        for ps in ${PID}
-        do
-            echo "kill -9 ${APP_NAME} ( pid =" ${ps} ")"
-            kill -9 ${ps}
-        done
-    fi
-}
-
-list() {
-    PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk 
'{printf("%s,%s,%s,%s\n", $1, $2, $9, $10)}'`
-    if [[ ${OS_NAME} != "Linux" && ${OS_NAME} != "Darwin" ]]; then
-        PID=`ps aux | grep -w ${APP_NAME} | grep -v grep | awk 
'{printf("%s,%s,%s,%s,%s\n", $1, $4, $6, $7, $8)}'`
-    fi
-
-    if [ "${PID}" != "" ]; then
-        echo "list ${APP_NAME}"
-
-        if [[ ${OS_NAME} == "Linux" || ${OS_NAME} == "Darwin" ]]; then
-            echo "index: user, pid, start, duration"
-    else
-        echo "index: PID, WINPID, UID, STIME, COMMAND"
-    fi
-        idx=0
-        for ps in ${PID}
-        do
-            echo "${idx}: ${ps}"
-            ((idx ++))
-        done
-    fi
-}
-
-opt=$1
-case C"$opt" in
-    Cstart)
-        start $2
-        ;;
-    Cstop)
-        stop
-        ;;
-    Cterm)
-        term
-        ;;
-    Crestart)
-        term
-        start $2
-        ;;
-    Clist)
-        list
-        ;;
-    C*)
-        usage
-        ;;
-esac
-
diff --git a/async/go-server/assembly/common/app.properties 
b/async/go-server/assembly/common/app.properties
deleted file mode 100644
index 1f0827e..0000000
--- a/async/go-server/assembly/common/app.properties
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-TARGET_EXEC_NAME="user_info_server"
-# BUILD_PACKAGE="dubbogo-examples/user-info/server/app"
-BUILD_PACKAGE="app"
-
-TARGET_CONF_FILE="conf/server.yml"
-TARGET_LOG_CONF_FILE="conf/log.yml"
diff --git a/async/go-server/assembly/common/build.sh 
b/async/go-server/assembly/common/build.sh
deleted file mode 100644
index d90d026..0000000
--- a/async/go-server/assembly/common/build.sh
+++ /dev/null
@@ -1,80 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-rm -rf target/
-
-PROJECT_HOME=`pwd`
-TARGET_FOLDER=${PROJECT_HOME}/target/${GOOS}
-
-TARGET_SBIN_NAME=${TARGET_EXEC_NAME}
-version=`cat app/version.go | grep Version | grep -v "Apache" | awk -F '=' 
'{print $2}' | awk -F '"' '{print $2}'`
-if [[ ${GOOS} == "windows" ]]; then
-    TARGET_SBIN_NAME=${TARGET_SBIN_NAME}.exe
-fi
-TARGET_NAME=${TARGET_FOLDER}/${TARGET_SBIN_NAME}
-if [[ $PROFILE = "test" ]]; then
-    # GFLAGS=-gcflags "-N -l" -race -x -v # -x会把go build的详细过程输出
-    # GFLAGS=-gcflags "-N -l" -race -v
-    # GFLAGS="-gcflags \"-N -l\" -v"
-    cd ${BUILD_PACKAGE} && GO111MODULE=on go build -gcflags "-N -l" -x -v -i 
-o ${TARGET_NAME} && cd -
-else
-    # -s去掉符号表(然后panic时候的stack trace就没有任何文件名/行号信息了,这个等价于普通C/C++程序被strip的效果),
-    # -w去掉DWARF调试信息,得到的程序就不能用gdb调试了。-s和-w也可以分开使用,一般来说如果不打算用gdb调试,
-    # -w基本没啥损失。-s的损失就有点大了。
-    cd ${BUILD_PACKAGE} && GO111MODULE=on go build -ldflags "-w" -x -v -i -o 
${TARGET_NAME} && cd -
-fi
-
-TAR_NAME=${TARGET_EXEC_NAME}-${version}-`date "+%Y%m%d-%H%M"`-${PROFILE}
-
-mkdir -p ${TARGET_FOLDER}/${TAR_NAME}
-
-SBIN_DIR=${TARGET_FOLDER}/${TAR_NAME}/sbin
-BIN_DIR=${TARGET_FOLDER}/${TAR_NAME}
-CONF_DIR=${TARGET_FOLDER}/${TAR_NAME}/conf
-
-mkdir -p ${SBIN_DIR}
-mkdir -p ${CONF_DIR}
-
-mv ${TARGET_NAME} ${SBIN_DIR}
-cp -r assembly/bin ${BIN_DIR}
-# modify APPLICATION_NAME
-# OS=`uname`
-# if [[ $OS=="Darwin" ]]; then
-if [ "$(uname)" == "Darwin" ]; then
-    sed -i "" "s~APPLICATION_NAME~${TARGET_EXEC_NAME}~g" ${BIN_DIR}/bin/*
-else
-    sed -i "s~APPLICATION_NAME~${TARGET_EXEC_NAME}~g" ${BIN_DIR}/bin/*
-fi
-# modify TARGET_CONF_FILE
-if [ "$(uname)" == "Darwin" ]; then
-    sed -i "" "s~TARGET_CONF_FILE~${TARGET_CONF_FILE}~g" ${BIN_DIR}/bin/*
-else
-    sed -i "s~TARGET_CONF_FILE~${TARGET_CONF_FILE}~g" ${BIN_DIR}/bin/*
-fi
-# modify TARGET_LOG_CONF_FILE
-if [ "$(uname)" == "Darwin" ]; then
-    sed -i "" "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" 
${BIN_DIR}/bin/*
-else
-    sed -i "s~TARGET_LOG_CONF_FILE~${TARGET_LOG_CONF_FILE}~g" ${BIN_DIR}/bin/*
-fi
-
-cp -r profiles/${PROFILE}/* ${CONF_DIR}
-
-cd ${TARGET_FOLDER}
-
-tar czf ${TAR_NAME}.tar.gz ${TAR_NAME}/*
-
diff --git a/async/go-server/assembly/linux/dev.sh 
b/async/go-server/assembly/linux/dev.sh
deleted file mode 100644
index d830ac9..0000000
--- a/async/go-server/assembly/linux/dev.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=linux
-export GOARCH=amd64
-
-PROFILE=dev
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/linux/release.sh 
b/async/go-server/assembly/linux/release.sh
deleted file mode 100644
index 9930380..0000000
--- a/async/go-server/assembly/linux/release.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=linux
-export GOARCH=amd64
-
-PROFILE=release
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/linux/test.sh 
b/async/go-server/assembly/linux/test.sh
deleted file mode 100644
index 87144bb..0000000
--- a/async/go-server/assembly/linux/test.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=linux
-export GOARCH=amd64
-
-PROFILE=test
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/mac/dev.sh 
b/async/go-server/assembly/mac/dev.sh
deleted file mode 100644
index 3a7659b..0000000
--- a/async/go-server/assembly/mac/dev.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=darwin
-export GOARCH=amd64
-
-PROFILE=dev
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/mac/release.sh 
b/async/go-server/assembly/mac/release.sh
deleted file mode 100644
index 1c4bce4..0000000
--- a/async/go-server/assembly/mac/release.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=darwin
-export GOARCH=amd64
-
-PROFILE=release
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/mac/test.sh 
b/async/go-server/assembly/mac/test.sh
deleted file mode 100644
index 69206e3..0000000
--- a/async/go-server/assembly/mac/test.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-set -e
-
-export GOOS=darwin
-export GOARCH=amd64
-
-PROFILE=test
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
-
diff --git a/async/go-server/assembly/windows/dev.sh 
b/async/go-server/assembly/windows/dev.sh
deleted file mode 100644
index 011fb41..0000000
--- a/async/go-server/assembly/windows/dev.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=windows
-export GOARCH=amd64
-
-PROFILE=dev
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/windows/release.sh 
b/async/go-server/assembly/windows/release.sh
deleted file mode 100644
index 679a26a..0000000
--- a/async/go-server/assembly/windows/release.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=windows
-export GOARCH=amd64
-
-PROFILE=release
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/assembly/windows/test.sh 
b/async/go-server/assembly/windows/test.sh
deleted file mode 100644
index 4a36de0..0000000
--- a/async/go-server/assembly/windows/test.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-
-set -e
-
-export GOOS=windows
-export GOARCH=amd64
-
-PROFILE=test
-
-PROJECT_HOME=`pwd`
-
-if [ -f "${PROJECT_HOME}/assembly/common/app.properties" ]; then
-. ${PROJECT_HOME}/assembly/common/app.properties
-fi
-
-
-if [ -f "${PROJECT_HOME}/assembly/common/build.sh" ]; then
-. ${PROJECT_HOME}/assembly/common/build.sh
-fi
diff --git a/async/go-server/app/server.go b/async/go-server/cmd/server.go
similarity index 91%
copy from async/go-server/app/server.go
copy to async/go-server/cmd/server.go
index 3cae749..0f1ffed 100644
--- a/async/go-server/app/server.go
+++ b/async/go-server/cmd/server.go
@@ -27,28 +27,27 @@ import (
 
 import (
        hessian "github.com/apache/dubbo-go-hessian2"
+
        _ "github.com/apache/dubbo-go/cluster/cluster_impl"
        _ "github.com/apache/dubbo-go/cluster/loadbalance"
        "github.com/apache/dubbo-go/common/logger"
        _ "github.com/apache/dubbo-go/common/proxy/proxy_factory"
        "github.com/apache/dubbo-go/config"
-       _ "github.com/apache/dubbo-go/config_center/zookeeper"
        _ "github.com/apache/dubbo-go/filter/filter_impl"
        _ "github.com/apache/dubbo-go/protocol/dubbo"
        _ "github.com/apache/dubbo-go/registry/protocol"
        _ "github.com/apache/dubbo-go/registry/zookeeper"
+
+       "github.com/apache/dubbo-samples/golang/helloworld/go-server/pkg"
 )
 
 var (
        survivalTimeout = int(3e9)
 )
 
-// they are necessary:
-//             export CONF_PROVIDER_FILE_PATH="xxx"
-//             export APP_LOG_CONF_FILE="xxx"
+// need to setup environment variable "CONF_PROVIDER_FILE_PATH" to 
"conf/server.yml" before run
 func main() {
-
-       hessian.RegisterPOJO(&User{})
+       hessian.RegisterPOJO(&pkg.User{})
        config.Load()
 
        initSignal()
diff --git a/async/go-client/profiles/dev/client.yml 
b/async/go-server/conf/client.yml
similarity index 69%
rename from async/go-client/profiles/dev/client.yml
rename to async/go-server/conf/client.yml
index de9224c..4193953 100644
--- a/async/go-client/profiles/dev/client.yml
+++ b/async/go-server/conf/client.yml
@@ -1,6 +1,5 @@
 # dubbo client yaml configure file
 
-
 check: true
 # client
 request_timeout : "3s"
@@ -9,37 +8,39 @@ connect_timeout : "3s"
 
 # application config
 application:
-  organization : "ikurento.com"
-  name  : "BDTService"
-  module : "dubbogo user-info client"
+  organization : "dubbo.io"
+  name  : "UserInfoTest"
+  module : "dubbo-go user-info client"
   version : "0.0.1"
-  owner : "ZX"
   environment : "dev"
 
+# registry config
 registries :
-  "hangzhouzk":
+  "demoZk":
     protocol: "zookeeper"
     timeout    : "3s"
     address: "127.0.0.1:2181"
     username: ""
     password: ""
 
+# reference config
 references:
   "UserProvider":
-    # 可以指定多个registry,使用逗号隔开;不指定默认向所有注册中心注册
-    registry: "hangzhouzk"
+    registry: "demoZk"
     protocol : "dubbo"
-    interface : "com.ikurento.user.UserProvider"
+    interface : "org.apache.dubbo.UserProvider"
     cluster: "failover"
     methods :
-      - name: "GetUser"
-        retries: 3
+    - name: "GetUser"
+      retries: 3
+    # this is necessary to enable async call
     async : true
 
+# protocol config
 protocol_conf:
   dubbo:
     reconnect_interval: 0
-    connection_number: 2
+    connection_number: 1
     heartbeat_period: "5s"
     session_timeout: "180s"
     pool_size: 64
@@ -51,9 +52,10 @@ protocol_conf:
       keep_alive_period: "120s"
       tcp_r_buf_size: 262144
       tcp_w_buf_size: 65536
+      pkg_rq_size: 1024
       pkg_wq_size: 512
       tcp_read_timeout: "1s"
       tcp_write_timeout: "5s"
       wait_timeout: "1s"
-      max_msg_len: 10240
+      max_msg_len: 1024000
       session_name: "client"
diff --git a/async/go-server/profiles/dev/log.yml b/async/go-server/conf/log.yml
similarity index 93%
rename from async/go-server/profiles/dev/log.yml
rename to async/go-server/conf/log.yml
index 3ed242d..d0400fe 100644
--- a/async/go-server/profiles/dev/log.yml
+++ b/async/go-server/conf/log.yml
@@ -15,7 +15,7 @@ encoderConfig:
   callerKey: "caller"
   stacktraceKey: "stacktrace"
   lineEnding: ""
-  levelEncoder: "capitalColor"
+  levelEncoder: "capital"
   timeEncoder: "iso8601"
   durationEncoder: "seconds"
   callerEncoder: "short"
diff --git a/async/go-server/profiles/dev/server.yml 
b/async/go-server/conf/server.yml
similarity index 67%
rename from async/go-server/profiles/dev/server.yml
rename to async/go-server/conf/server.yml
index 13fbf7c..6e8970c 100644
--- a/async/go-server/profiles/dev/server.yml
+++ b/async/go-server/conf/server.yml
@@ -1,38 +1,40 @@
 # dubbo server yaml configure file
+
+# application config
 application:
-  organization : "ikurento.com"
-  name : "BDTService"
-  module : "dubbogo user-info server"
+  organization : "dubbo.io"
+  name : "UserInfoServer"
+  module : "dubbo-go user-info server"
   version : "0.0.1"
-  owner : "ZX"
   environment : "dev"
 
+# registry config
 registries :
   "demoZk":
     protocol: "zookeeper"
     timeout    : "3s"
     address: "127.0.0.1:2181"
 
+# service config
 services:
   "UserProvider":
-    # 可以指定多个registry,使用逗号隔开;不指定默认向所有注册中心注册
     registry: "demoZk"
-    # 相当于dubbo.xml中的interface
-    interface : "com.ikurento.user.UserProvider"
+    protocol : "dubbo"
+    interface : "org.apache.dubbo.UserProvider"
     loadbalance: "random"
     warmup: "100"
     cluster: "failover"
     methods:
-      - name: "GetUser"
-        retries: 1
-        loadbalance: "random"
+    - name: "GetUser"
+      retries: 1
+      loadbalance: "random"
 
+# protocol config
 protocols:
   "dubbo":
     name: "dubbo"
     port: 20000
 
-
 protocol_conf:
   dubbo:
     session_number: 700
@@ -49,5 +51,5 @@ protocol_conf:
       tcp_read_timeout: "1s"
       tcp_write_timeout: "5s"
       wait_timeout: "1s"
-      max_msg_len: 1024
+      max_msg_len: 1024000
       session_name: "server"
diff --git a/async/go-server/docker/docker-compose.yml 
b/async/go-server/docker/docker-compose.yml
new file mode 100644
index 0000000..8724179
--- /dev/null
+++ b/async/go-server/docker/docker-compose.yml
@@ -0,0 +1,9 @@
+version: '3'
+
+services:
+  zookeeper:
+    image: zookeeper
+    ports:
+      - 2181:2181
+    restart: on-failure
+
diff --git a/async/go-server/integration_testing.sh 
b/async/go-server/integration_testing.sh
deleted file mode 100755
index 49f7b49..0000000
--- a/async/go-server/integration_testing.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-#  Licensed to the Apache Software Foundation (ASF) under one or more
-#  contributor license agreements.  See the NOTICE file distributed with
-#  this work for additional information regarding copyright ownership.
-#  The ASF licenses this file to You under the Apache License, Version 2.0
-#  (the "License"); you may not use this file except in compliance with
-#  the License.  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-
-#!/bin/bash
-
-set -e
-set -x
-
-rm -rf assembly
-cp -r $1/.integration/testing/$2/assembly .
-assembly/linux/dev.sh
-cd target/*/*/
-# is async
-if [[ $3 ]]; then
-       nohup bin/load.sh start > a.out&
-else
-       bin/load.sh start
-fi
\ No newline at end of file
diff --git a/async/go-server/app/user.go b/async/go-server/pkg/user.go
similarity index 97%
rename from async/go-server/app/user.go
rename to async/go-server/pkg/user.go
index 89fa126..37fcb25 100644
--- a/async/go-server/app/user.go
+++ b/async/go-server/pkg/user.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package main
+package pkg
 
 import (
        "context"
@@ -59,5 +59,5 @@ func (u *UserProvider) Reference() string {
 }
 
 func (u User) JavaClassName() string {
-       return "com.ikurento.user.User"
+       return "org.apache.dubbo.User"
 }
diff --git a/helloworld/go-client/pkg/user.go 
b/async/go-server/tests/integration/main_test.go
similarity index 51%
copy from helloworld/go-client/pkg/user.go
copy to async/go-server/tests/integration/main_test.go
index 75c964f..d0ee774 100644
--- a/helloworld/go-client/pkg/user.go
+++ b/async/go-server/tests/integration/main_test.go
@@ -1,3 +1,5 @@
+// +build integration
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
@@ -15,13 +17,37 @@
  * limitations under the License.
  */
 
-package pkg
+package integration
+
+import (
+       hessian "github.com/apache/dubbo-go-hessian2"
+       "github.com/apache/dubbo-go/common"
+       "github.com/apache/dubbo-go/config"
+       "github.com/apache/dubbo-go/protocol"
+       "github.com/apache/dubbo-go/remoting"
+       gxlog "github.com/dubbogo/gost/log"
+)
 
 import (
        "context"
+       "os"
+       "testing"
        "time"
 )
 
+var userProvider = &UserProvider{
+       ch: make(chan *User),
+}
+
+func TestMain(m *testing.M) {
+       config.SetConsumerService(userProvider)
+       hessian.RegisterPOJO(&User{})
+       config.Load()
+       time.Sleep(3 * time.Second)
+
+       os.Exit(m.Run())
+}
+
 type User struct {
        Id   string
        Name string
@@ -31,12 +57,30 @@ type User struct {
 
 type UserProvider struct {
        GetUser func(ctx context.Context, req []interface{}, rsp *User) error
+       ch      chan *User
 }
 
 func (u *UserProvider) Reference() string {
        return "UserProvider"
 }
 
+// to enable async call:
+// 1. need to implement AsyncCallbackService
+// 2. need to specify references -> UserProvider -> async in conf/client.yml
+func (u *UserProvider) CallBack(res common.CallbackResponse) {
+       gxlog.CInfo("CallBack res: %v", res)
+       if r, ok := res.(remoting.AsyncCallbackResponse); ok {
+               if reply, ok := r.Reply.(*remoting.Response); ok {
+                       if result, ok := reply.Result.(*protocol.RPCResult); ok 
{
+                               if user, ok := result.Rest.(*User); ok {
+                                       u.ch <- user
+                               }
+                       }
+               }
+       }
+       u.ch <- nil
+}
+
 func (User) JavaClassName() string {
        return "org.apache.dubbo.User"
 }
diff --git a/async/go-server/app/server.go 
b/async/go-server/tests/integration/userprovider_test.go
similarity index 52%
rename from async/go-server/app/server.go
rename to async/go-server/tests/integration/userprovider_test.go
index 3cae749..3ed5e7f 100644
--- a/async/go-server/app/server.go
+++ b/async/go-server/tests/integration/userprovider_test.go
@@ -1,3 +1,5 @@
+// +build integration
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
@@ -15,64 +17,37 @@
  * limitations under the License.
  */
 
-package main
+package integration
 
 import (
-       "fmt"
-       "os"
-       "os/signal"
-       "syscall"
-       "time"
+       "context"
+       "testing"
 )
-
 import (
-       hessian "github.com/apache/dubbo-go-hessian2"
        _ "github.com/apache/dubbo-go/cluster/cluster_impl"
        _ "github.com/apache/dubbo-go/cluster/loadbalance"
-       "github.com/apache/dubbo-go/common/logger"
        _ "github.com/apache/dubbo-go/common/proxy/proxy_factory"
-       "github.com/apache/dubbo-go/config"
-       _ "github.com/apache/dubbo-go/config_center/zookeeper"
        _ "github.com/apache/dubbo-go/filter/filter_impl"
        _ "github.com/apache/dubbo-go/protocol/dubbo"
        _ "github.com/apache/dubbo-go/registry/protocol"
        _ "github.com/apache/dubbo-go/registry/zookeeper"
-)
 
-var (
-       survivalTimeout = int(3e9)
+       "github.com/stretchr/testify/assert"
 )
 
-// they are necessary:
-//             export CONF_PROVIDER_FILE_PATH="xxx"
-//             export APP_LOG_CONF_FILE="xxx"
-func main() {
-
-       hessian.RegisterPOJO(&User{})
-       config.Load()
-
-       initSignal()
-}
-
-func initSignal() {
-       signals := make(chan os.Signal, 1)
-       // It is not possible to block SIGKILL or syscall.SIGSTOP
-       signal.Notify(signals, os.Interrupt, os.Kill, syscall.SIGHUP, 
syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
-       for {
-               sig := <-signals
-               logger.Infof("get signal %s", sig.String())
-               switch sig {
-               case syscall.SIGHUP:
-                       // reload()
-               default:
-                       time.AfterFunc(time.Duration(survivalTimeout), func() {
-                               logger.Warnf("app exit now by force...")
-                               os.Exit(1)
-                       })
-
-                       // The program exits normally or timeout forcibly exits.
-                       fmt.Println("provider app exit now...")
-                       return
-               }
-       }
+func TestGetUser(t *testing.T) {
+       user := &User{}
+       err := userProvider.GetUser(context.TODO(), []interface{}{"A001"}, user)
+       assert.Nil(t, err)
+       assert.Equal(t, "", user.Id)
+       assert.Equal(t, "", user.Name)
+       assert.Equal(t, int32(0), user.Age)
+
+       user = <-userProvider.ch
+
+       assert.NotNil(t, user)
+       assert.Equal(t, "A001", user.Id)
+       assert.Equal(t, "Alex Stocks", user.Name)
+       assert.Equal(t, int32(18), user.Age)
+       assert.NotNil(t, user.Time)
 }
diff --git a/helloworld/go-client/pkg/user.go b/helloworld/go-client/pkg/user.go
index 75c964f..abcad09 100644
--- a/helloworld/go-client/pkg/user.go
+++ b/helloworld/go-client/pkg/user.go
@@ -19,6 +19,10 @@ package pkg
 
 import (
        "context"
+       "github.com/apache/dubbo-go/common"
+       "github.com/apache/dubbo-go/protocol"
+       "github.com/apache/dubbo-go/remoting"
+       gxlog "github.com/dubbogo/gost/log"
        "time"
 )
 
@@ -31,12 +35,30 @@ type User struct {
 
 type UserProvider struct {
        GetUser func(ctx context.Context, req []interface{}, rsp *User) error
+       Ch      chan *User
 }
 
 func (u *UserProvider) Reference() string {
        return "UserProvider"
 }
 
+// to enable async call:
+// 1. need to implement AsyncCallbackService
+// 2. need to specify references -> UserProvider -> async in conf/client.yml
+func (u *UserProvider) CallBack(res common.CallbackResponse) {
+       gxlog.CInfo("CallBack res: %v", res)
+       if r, ok := res.(remoting.AsyncCallbackResponse); ok {
+               if reply, ok := r.Reply.(*remoting.Response); ok {
+                       if result, ok := reply.Result.(*protocol.RPCResult); ok 
{
+                               if user, ok := result.Rest.(*User); ok {
+                                       u.Ch <- user
+                               }
+                       }
+               }
+       }
+       u.Ch <- nil
+}
+
 func (User) JavaClassName() string {
        return "org.apache.dubbo.User"
 }

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