dubbo 服务只需要提供service层接口,并不需要用servlet容器。完全打成其他的包直接去跑,dubbo接口性能就不会因为tomcat的限制。
dubbo 容器的加载内容可以扩展,内置了spring, jetty, log4j等加载,可通过Container扩展点进行扩展,参见:Container Spring Container 。
dubbo 容器自动加载META-INF/spring目录下的所有Spring配置。 所以spring 及dubbo 的相关配置要放在/META-INF/spring 目录下。
也可以在启动参数中配置:(配在java命令-D参数或者dubbo.properties中) dubbo.spring.config=classpath*:/META-INF/spring/*.xml ----配置spring配置加载位置。
打包配置如下:
org.apache.maven.plugins
maven-deploy-plugin
2.4
true
org.apache.maven.plugins
maven-jar-plugin
2.4
**/*.properties
maven-assembly-plugin
src/main/assembly/assembly.xml
make-assembly
package
single
maven-compiler-plugin
2.3.2
1.7
1.7
UTF-8
org.codehaus.plexus
plexus-compiler-javac
1.8.1
maven-resources-plugin
2.6
UTF-8
org.apache.maven.plugins
maven-surefire-plugin
2.10
true
true
src/main/resources
**/*.sh
src/main/resources
**/*.bat
src/main/java
**/*.xml
src/main/resources
**/*.xml
**/*.properties
src/main/resources
true
配置中指定了打包使用的 src/main/assembly/assembly.xml 配置文件:
assembly
tar.gz
true
src/main/assembly/bin
bin
0755
lib
runtime
assembly.xml 配置文件指定了bin目录和打包后的jar 存放的位置lib目录。
dubbo 服务工程目录结构如下:
使用maven 命令打包,打包后为tar 包,解压后,运行start.bat(start.sh。相关的脚本请到上传是资源中下载)即可启动dubbo 服务。如果要在本地测试,可以写一个main 方法,直接加载spring 及dubbo的相关配置即可启动dubbo的服务
bin 目录下面文件如下:
#####################################dump.sh#####################################
#!/bin/bash
cd `dirname $0`
BIN_DIR=`pwd`
cd ..
DEPLOY_DIR=`pwd`
CONF_DIR=$DEPLOY_DIR/conf
SERVER_NAME=`sed '/dubbo.application.name/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
LOGS_FILE=`sed '/dubbo.log4j.file/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
if [ -z "$SERVER_NAME" ]; then
SERVER_NAME=`hostname`
fi
PIDS=`ps -f | grep java | grep "$CONF_DIR" |awk '{print $2}'`
if [ -z "$PIDS" ]; then
echo "ERROR: The $SERVER_NAME does not started!"
exit 1
fi
LOGS_DIR=""
if [ -n "$LOGS_FILE" ]; then
LOGS_DIR=`dirname $LOGS_FILE`
else
LOGS_DIR=$DEPLOY_DIR/logs
fi
if [ ! -d $LOGS_DIR ]; then
mkdir $LOGS_DIR
fi
DUMP_DIR=$LOGS_DIR/dump
if [ ! -d $DUMP_DIR ]; then
mkdir $DUMP_DIR
fi
DUMP_DATE=`date +%Y%m%d%H%M%S`
DATE_DIR=$DUMP_DIR/$DUMP_DATE
if [ ! -d $DATE_DIR ]; then
mkdir $DATE_DIR
fi
echo -e "Dumping the $SERVER_NAME ...\c"
for PID in $PIDS ; do
jstack $PID > $DATE_DIR/jstack-$PID.dump 2>&1
echo -e ".\c"
jinfo $PID > $DATE_DIR/jinfo-$PID.dump 2>&1
echo -e ".\c"
jstat -gcutil $PID > $DATE_DIR/jstat-gcutil-$PID.dump 2>&1
echo -e ".\c"
jstat -gccapacity $PID > $DATE_DIR/jstat-gccapacity-$PID.dump 2>&1
echo -e ".\c"
jmap $PID > $DATE_DIR/jmap-$PID.dump 2>&1
echo -e ".\c"
jmap -heap $PID > $DATE_DIR/jmap-heap-$PID.dump 2>&1
echo -e ".\c"
jmap -histo $PID > $DATE_DIR/jmap-histo-$PID.dump 2>&1
echo -e ".\c"
if [ -r /usr/sbin/lsof ]; then
/usr/sbin/lsof -p $PID > $DATE_DIR/lsof-$PID.dump
echo -e ".\c"
fi
done
if [ -r /bin/netstat ]; then
/bin/netstat -an > $DATE_DIR/netstat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/iostat ]; then
/usr/bin/iostat > $DATE_DIR/iostat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/mpstat ]; then
/usr/bin/mpstat > $DATE_DIR/mpstat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/vmstat ]; then
/usr/bin/vmstat > $DATE_DIR/vmstat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/free ]; then
/usr/bin/free -t > $DATE_DIR/free.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/sar ]; then
/usr/bin/sar > $DATE_DIR/sar.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/uptime ]; then
/usr/bin/uptime > $DATE_DIR/uptime.dump 2>&1
echo -e ".\c"
fi
echo "OK!"
echo "DUMP: $DATE_DIR"
#####################################restart.sh#####################################
#!/bin/bash
cd `dirname $0`
./stop.sh
./start.sh
#####################################server.sh#####################################
#!/bin/bash
cd `dirname $0`
if [ "$1" = "start" ]; then
./start.sh
else
if [ "$1" = "stop" ]; then
./stop.sh
else
if [ "$1" = "debug" ]; then
./start.sh debug
else
if [ "$1" = "restart" ]; then
./restart.sh
else
if [ "$1" = "dump" ]; then
./dump.sh
else
echo "ERROR: Please input argument: start or stop or debug or restart or dump"
exit 1
fi
fi
fi
fi
fi
#####################################start.bat#####################################
@echo off & setlocal enabledelayedexpansion
set LIB_JARS=""
cd ..\lib
for %%i in (*) do set LIB_JARS=!LIB_JARS!;..\lib\%%i
cd ..\bin
if ""%1"" == ""debug"" goto debug
if ""%1"" == ""jmx"" goto jmx
java -Xms64m -Xmx1024m -XX:MaxPermSize=64M -classpath ..\conf;%LIB_JARS% com.alibaba.dubbo.container.Main
goto end
:debug
java -Xms64m -Xmx1024m -XX:MaxPermSize=64M -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n -classpath ..\conf;%LIB_JARS% com.alibaba.dubbo.container.Main
goto end
:jmx
java -Xms64m -Xmx1024m -XX:MaxPermSize=64M -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -classpath ..\conf;%LIB_JARS% com.alibaba.dubbo.container.Main
:end
pause
#####################################start.sh#####################################
#!/bin/bash
cd `dirname $0`
BIN_DIR=`pwd`
cd ..
DEPLOY_DIR=`pwd`
CONF_DIR=$DEPLOY_DIR/conf
SERVER_NAME=`sed '/dubbo.application.name/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
SERVER_PROTOCOL=`sed '/dubbo.protocol.name/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
SERVER_PORT=`sed '/dubbo.protocol.port/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
LOGS_FILE=`sed '/dubbo.log4j.file/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
if [ -z "$SERVER_NAME" ]; then
SERVER_NAME=`hostname`
fi
PIDS=`ps -f | grep java | grep "$CONF_DIR" |awk '{print $2}'`
if [ -n "$PIDS" ]; then
echo "ERROR: The $SERVER_NAME already started!"
echo "PID: $PIDS"
exit 1
fi
if [ -n "$SERVER_PORT" ]; then
SERVER_PORT_COUNT=`netstat -tln | grep $SERVER_PORT | wc -l`
if [ $SERVER_PORT_COUNT -gt 0 ]; then
echo "ERROR: The $SERVER_NAME port $SERVER_PORT already used!"
exit 1
fi
fi
LOGS_DIR=""
if [ -n "$LOGS_FILE" ]; then
LOGS_DIR=`dirname $LOGS_FILE`
else
LOGS_DIR=$DEPLOY_DIR/logs
fi
if [ ! -d $LOGS_DIR ]; then
mkdir $LOGS_DIR
fi
STDOUT_FILE=$LOGS_DIR/stdout.log
LIB_DIR=$DEPLOY_DIR/lib
LIB_JARS=`ls $LIB_DIR|grep .jar|awk '{print "'$LIB_DIR'/"$0}'|tr "\n" ":"`
LOCK_ZOOKEEPER_FILE="$LOGS_DIR/`echo $PWD|awk -F/ '{print $NF}'`.properties"
JAVA_OPTS=" -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -Ddubbo.registry.file=$LOCK_ZOOKEEPER_FILE"
JAVA_DEBUG_OPTS=""
if [ "$1" = "debug" ]; then
JAVA_DEBUG_OPTS=" -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n "
fi
JAVA_JMX_OPTS=""
if [ "$1" = "jmx" ]; then
JAVA_JMX_OPTS=" -Djava.rmi.server.hostname=172.21.32.38 -Dcom.sun.management.jmxremote.port=1088 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false "
fi
JAVA_MEM_OPTS=""
BITS=`java -version 2>&1 | grep -i 64-bit`
#if [ -n "$BITS" ]; then
# JAVA_MEM_OPTS=" -server -Xmx2g -Xms2g -Xmn256m -XX:PermSize=128m -Xss256k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 "
#else
# JAVA_MEM_OPTS=" -server -Xms1g -Xmx1g -XX:PermSize=128m -XX:SurvivorRatio=2 -XX:+UseParallelGC "
#fi
echo -e "Starting the $SERVER_NAME ...\c"
nohup java $JAVA_OPTS $JAVA_MEM_OPTS $JAVA_DEBUG_OPTS $JAVA_JMX_OPTS -classpath $CONF_DIR:$LIB_JARS com.alibaba.dubbo.container.Main > $STDOUT_FILE 2>&1 &
COUNT=0
while [ $COUNT -lt 1 ]; do
echo -e ".\c"
sleep 1
if [ -n "$SERVER_PORT" ]; then
if [ "$SERVER_PROTOCOL" == "dubbo" ]; then
COUNT=`echo status | nc -i 1 172.21.32.38 $SERVER_PORT | grep -c OK`
else
COUNT=`netstat -an | grep $SERVER_PORT | wc -l`
fi
else
COUNT=`ps -f | grep java | grep "$DEPLOY_DIR" | awk '{print $2}' | wc -l`
fi
if [ $COUNT -gt 0 ]; then
break
fi
done
echo "OK!"
PIDS=`ps -f | grep java | grep "$DEPLOY_DIR" | awk '{print $2}'`
echo "PID: $PIDS"
echo "STDOUT: $STDOUT_FILE"
#####################################stop.sh#####################################
#!/bin/bash
cd `dirname $0`
BIN_DIR=`pwd`
cd ..
DEPLOY_DIR=`pwd`
CONF_DIR=$DEPLOY_DIR/conf
SERVER_NAME=`sed '/dubbo.application.name/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
if [ -z "$SERVER_NAME" ]; then
SERVER_NAME=`hostname`
fi
PIDS=`ps -ef | grep java | grep "$CONF_DIR" |awk '{print $2}'`
if [ -z "$PIDS" ]; then
echo "ERROR: The $SERVER_NAME does not started!"
exit 1
fi
if [ "$1" != "skip" ]; then
$BIN_DIR/dump.sh
fi
echo -e "Stopping the $SERVER_NAME ...\c"
for PID in $PIDS ; do
kill $PID > /dev/null 2>&1
done
COUNT=0
while [ $COUNT -lt 1 ]; do
echo -e ".\c"
sleep 1
COUNT=1
for PID in $PIDS ; do
PID_EXIST=`ps -f -p $PID | grep java`
if [ -n "$PID_EXIST" ]; then
COUNT=0
break
fi
done
done
echo "OK!"
echo "PID: $PIDS"
测试工程说明:
dubbo-api dubbo 服务接口定义及数据传递的类的定义。定义了接口TicketApi和传递数据的类 TicketDTO。被dubbo-service 和 dubbo-test 依赖
dubbo-service dubbo 服务接口实现。maven打包的配置及assembly.xml 配置文件在这工程。包含了DubboServerMain ,直接加载spring 及dubbo 配置,对外提供服务,用于测试
dubbo-test 测试。直接加载配置文件, 订阅zookeeper 中提供的服务
工程使用 spring+dubbo+zookeeper ,把服务注册到zookeeper中,相关配置不再说明。
如上面工程打包后为:dubbo-service-1.0.0-assembly.tar.gz 文件,解压后有bin和lib 两个文件夹。bin中放的是脚本,lib 放的就是jar包。使用脚本启动(zookeeper 要启动),运行测试代码即可。
说明:
要把dubbo-api 工程install 到本地maven仓库,dubbo-service 、dubbo-test 才能编译通过。
assembly.xml 配置文件中有 STDOUT_FILE=$LOGS_DIR/stdout.log ,说明了日志文件的路径。 也指定了打包的文件格式tar.gz
https://www.jianshu.com/p/f0939d91f06f