assembly将properties打到外面并用spring加载 (以dubbo为例)

估计很多朋友用assembly打包的时候可能会遇到一个问题,就是将包打成lib (放jar包),conf(放properties配置文件)和bin(启动bash)三个目录的时候,将工程中的properties配置文件打包到conf目录下,然后lib中的jar包就将那些properties排除掉,当启动方法的时候会发现找不到配置文件了,这是因为配置文件的目录之前在开发的时候用的是classpath,当你把包打成这样的需要指定配置文件的地址为file协议(因为classpath是读取的jar包内部的,file可以读取外部文件)

项目的一部分结构如下:

打包的部分pom:

    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">        <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />        <property name="ignoreUnresolvablePlaceholders" value="true" />        <property name="ignoreResourceNotFound" value="true" />        <property name="locations">            <list>                #用classpath                <value>classpath:**/*.properties</value>                #用file                <value>file:/user/home/xxxx/*.properties</value>            </list>        </property>        <property name="fileEncoding" value="UTF-8"/>    </bean>

并且可以根据开发模式,测试模式,生产模式 境配置三种不同的properties,这样打包的时候不用修改配置文件,只需要修改下pom文件中的profiles的activeByDefault熟悉即可,xml文件里面参数就可以配置为${value}的模式,动态加载外部

下面给个关键部分的代码:

     <build>        <plugins>            <plugin>                <groupId>org.apache.maven.plugins</groupId>                <artifactId>maven-jar-plugin</artifactId>                <version>2.4</version>                <configuration>                    <classesDirectory>target/classes/</classesDirectory>                    <archive>                        <addMavenDescriptor>false</addMavenDescriptor>                        <manifest>                            <addClasspath>true</addClasspath>                            <mainClass>cn.toua.profile.present.MainApp</mainClass>                        </manifest>                        <manifestEntries>                            <Class-Path>./</Class-Path>                        </manifestEntries>                    </archive>                    <excludes>                        <exclude>**/*.properties</exclude>                        <exclude>**/log4j2.xml</exclude>                        <exclude>**/dubbo-provider.xml</exclude>                        <exclude>**/dubbo-test.xml</exclude>                    </excludes>                </configuration>            </plugin>            <plugin>                <artifactId>maven-assembly-plugin</artifactId>                <version>3.0.0</version>                <configuration>                    <appendAssemblyId>false</appendAssemblyId>                    <archive>                        <manifest>                            <addClasspath>true</addClasspath>                            <mainClass>cn.toua.profile.present.MainApp</mainClass>                        </manifest>                    </archive>                    <descriptors>                        <descriptor>src/main/assembly/assembly.xml</descriptor>                    </descriptors>                </configuration>                <executions>                    <execution>                        <id>make-assembly</id>                        <phase>package</phase>                        <goals>                            <goal>single</goal>                        </goals>                    </execution>                </executions>            </plugin>        </plugins>        <filters>            <filter>src/main/resources/env/${env}/${env}.properties</filter>        </filters>        <resources>            <resource>                <directory>src/main/resources</directory>                <includes>                    <include>**/*.xml</include>                    <include>**/*.properties</include>                </includes>                <excludes>                    <exclude>env/**</exclude>                </excludes>                <filtering>true</filtering>            </resource>        </resources>    </build>

其中上面的filters就是maven的过滤器,maven 通过过滤器来修改部署时的不同配置。部署时的所有资源的配置，如果根据环境不同，有不同的配置，则需要在资源中使用${value}的方式来取值,并且在resources标签里面添加filtering为true:

    <resources>            <resource>                <directory>src/main/resources</directory>                <includes>                    <include>**/*.xml</include>                    <include>**/*.properties</include>                </includes>                <excludes>                    <exclude>env/**</exclude>                </excludes>                <filtering>true</filtering>            </resource>        </resources>

不同的环境配置不同的变量(activeByDefault为true的时候${env}就会取对应的值):

<profiles>        <!-- 默认的开发环境 -->        <profile>            <id>dev</id>            <properties>                <env>dev</env>                <plugin.assembly.phase>none</plugin.assembly.phase>            </properties>            <activation>                <activeByDefault>true</activeByDefault>            </activation>        </profile>        <!-- 测试环境 -->        <profile>            <id>test</id>            <properties>                <env>test</env>                <plugin.assembly.phase>true</plugin.assembly.phase>            </properties>            <activation>                <activeByDefault>false</activeByDefault>            </activation>        </profile>        <!-- 生产环境 -->        <profile>            <id>prod</id>            <properties>                <env>prod</env>                <plugin.assembly.phase>true</plugin.assembly.phase>            </properties>            <activation>                <activeByDefault>false</activeByDefault>            </activation>        </profile>    </profiles>

当profile里面dev的activeByDefault设置为true的时候,那么上面

<filter>src/main/resources/env/${env}/${env}.properties</filter>

就会去过滤dev目录下的dev.properties文件,将里面的配置属性添加到下面的

这些配置文件里面

如下是application.properties:

#hbasehbase.zookeeper.quorum=${hbase.zookeeper.quorum}hbase.zookeeper.property.clientPort=${hbase.zookeeper.property.clientPort}hbase.tableName=${hbase.tableName}hbase.history.tableName=${hbase.history.tableName}#jdbcjdbc.driver=${jdbc.driver}jdbc.url=${jdbc.url}jdbc.username=${jdbc.username}jdbc.password=${jdbc.password}#cache 刷新时间env.mysql.cache=${env.mysql.cache}

如下是dubbo.properties:

## 应用配置入口dubbo.spring.config=${dubbo.spring.config}## 应用容器dubbo.container=${dubbo.container}# 服务端过滤器app.config.classpath=${env.config.path}dubbo.protocol.host=${dubbo.protocol.host}dubbo.timeout=${dubbo.timeout}jvm.mem.xmx=2gjvm.mem.xms=2gjvm.mem.new.size=1300m

application.xml

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"       xmlns:context="http://www.springframework.org/schema/context"       xmlns:util="http://www.springframework.org/schema/util"       xmlns:aop="http://www.springframework.org/schema/aop"       xsi:schemaLocation="http://www.springframework.org/schema/beans        http://www.springframework.org/schema/beans/spring-beans.xsd        http://code.alibabatech.com/schema/dubbo        http://code.alibabatech.com/schema/dubbo/dubbo.xsd        http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context.xsd        http://www.springframework.org/schema/util        http://www.springframework.org/schema/util/spring-util.xsd">    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">        <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/>        <property name="ignoreUnresolvablePlaceholders" value="true"/>        <property name="ignoreResourceNotFound" value="true"/>        <property name="locations">            <list>                <value>${env.config.path.type}:${env.config.path}application.properties</value>            </list>        </property>        <property name="fileEncoding" value="UTF-8"/>    </bean>    <context:component-scan base-package="cn.toua.profile.present"/>    <import  resource="${env.config.path.type}:${env.config.path}dubbo-provider.xml"/></beans>

dubbo-provider.xml

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"       xmlns:context="http://www.springframework.org/schema/context"       xmlns:util="http://www.springframework.org/schema/util"       xmlns:aop="http://www.springframework.org/schema/aop"       xsi:schemaLocation="http://www.springframework.org/schema/beans        http://www.springframework.org/schema/beans/spring-beans.xsd        http://code.alibabatech.com/schema/dubbo        http://code.alibabatech.com/schema/dubbo/dubbo.xsd        http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context.xsd        http://www.springframework.org/schema/util        http://www.springframework.org/schema/util/spring-util.xsd">    <dubbo:application name="profile-present-service" owner="profile" organization="touna"/>    <dubbo:registry protocol="zookeeper" address="${dubbo.registry.address}"/>    <!-- 提供RPC服务注入 -->    <dubbo:protocol name="dubbo" port="${dubbo.protocol.port}" serialization="hessian2" threadpool="cached"                    threads="20"/>    <dubbo:service interface="cn.touna.profile.present.api.ProfileService" ref="profileService"/>    <context:component-scan base-package="cn.toua.profile.present"/></beans>

log4j2.xml:

<?xml version="1.0" encoding="UTF-8"?><configuration status="WARN" shutdownHook="disable" monitorInterval="1800">    <Properties>        <Property name="sysName">profile-present-dubbo</Property>        <Property name="bizLogLevel">${env.log4j2.biz.level}</Property>        <Property name="logFilePath">${env.log4j2.log.path}</Property>        <Property name="logSize">${env.log4j2.log.size}MB</Property>        <Property name="maxFile">${env.log4j2.log.maxfile}</Property>    </Properties>    <!--先定义所有的appender-->    <appenders>        <!--这个输出控制台的配置-->        <Console name="Console" target="SYSTEM_OUT">            <!--控制台只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch）-->            <ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY"/>            <!--这个都知道是输出日志的格式-->            <PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M - %msg%xEx%n"/>        </Console>        <!--文件会打印出所有信息，这个log每次运行程序会自动清空，由append属性决定，这个也挺有用的，适合临时测试用-->        <!--<File name="log" fileName="${logFilePath}/${sysName}-file.log" append="false">-->        <!--<PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M - %msg%xEx%n"/>-->        <!--</File>-->        <!--这个会打印出所有的信息，每次大小超过size，则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档-->        <RollingFile name="RollingFile" fileName="${logFilePath}/${sysName}-roll.log"                     filePattern="${logFilePath}/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">            <PatternLayout pattern="%d{yyyy-MM-dd 'at' HH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n"/>            <Policies>                <TimeBasedTriggeringPolicy modulate="true" interval="1"/>                <SizeBasedTriggeringPolicy size="${logSize}"/>            </Policies>            <DefaultRolloverStrategy max="${maxFile}"/>        </RollingFile>    </appenders>    <!--然后定义logger，只有定义了logger并引入的appender，appender才会生效-->    <loggers>        <logger name="cn.toua.profile.present" level="${bizLogLevel}">            <appender-ref ref="RollingFile"/>            <appender-ref ref="Console"/>        </logger>        <!--建立一个默认的root的logger-->        <root level="${bizLogLevel}">            <appender-ref ref="RollingFile"/>            <appender-ref ref="Console"/>        </root>    </loggers></configuration>

当然, 最终过滤的时候都是将env目录下对应的配置加载到上面那些文件里,如下dev.properties:

env.config.path=env.config.path.type=classpath#kafkabatch=300zk=hadoop01:2181,hadoop03:2181kafka.broker=hadoop02:9092,hadoop03:9092,hadoop04:9092kafka.topic=tianhuaxing_test_topickafka.group=dataPlatformHead#hbasehbase.zookeeper.quorum=hadoop01:2181,hadoop03:2181hbase.zookeeper.property.clientPort=2181hbase.tableName=xxxxhbase.history.tableName=xxxx#mysqljdbc.driver=com.mysql.jdbc.Driverjdbc.url=jdbc:mysql://10.0.4.140:3306/tbd_up?useUnicode=true&allowMultiQueries=true&characterEncoding=UTF-8&useFastDateParsing=false&zeroDateTimeBehavior=convertToNulljdbc.username=xxxxjdbc.password=xxxx#dubbodubbo.spring.config=classpath:dubbo-provider.xmldubbo.container=springdubbo.application.logger=log4jdubbo.log4j.file=logsdubbo.log4j.level=INFOdubbo.registry.address=zookeeper://hadoop01:2181;zookeeper://hadoop02:2181dubbo.protocol.port=20880dubbo.log4j.subdirectory=20880dubbo.application.name=profiledubbo.timeout=60000#logenv.log4j2.log.path=logsenv.log4j2.biz.level=INFOenv.log4j2.log.size=100env.log4j2.log.maxfile=100

env下的生产 prop.properties(注意了env.config.path.type是用的file而不是classpath,且env.config.path根据你的部署路径来配置)

env.config.path=/home/appuser/profile/profile/conf/env.config.path.type=file#其他和上面一样  就是环境不同

当打完包之后,上传到服务器上面,执行start.sh启动,启动脚本需要读取dubbo.properties的配置文件并且通过java -Dxxx=xxx 的形式来将dubbo的配置传入main函数,不然当执行com.alibaba.dubbo.container.Main.main(args)的时候会执行如下一段代码:

if(args == null || args.length == 0) {                String e = ConfigUtils.getProperty("dubbo.container", loader.getDefaultExtensionName());                args = Constants.COMMA_SPLIT_PATTERN.split(e);            }

大概意思就是 不传入参数就会默认去classpath下加载dubbo.properties文件,当然我们打包成上面三个目录并且已经将dubbo.properties打包出来了,不传入参数就相当于只启动一个空的dubbo工程,所以需要同过-D的方式传入,start.sh(网上一大堆可以搜一下其他几个,这里就不贴出来了)如下:

#!/bin/bashcd `dirname $0`BIN_DIR=`pwd`echo "Bin_Dir  ${BIN_DIR}"cd ..DEPLOY_DIR=`pwd`echo "DEPLOY_DIR  ${DEPLOY_DIR}"#cd ..APP_DIR=`pwd`echo "APP_DIR ${APP_DIR}"cd $DEPLOY_DIRCONF_DIR=$DEPLOY_DIR/confLOGS_DIR=$DEPLOY_DIR/logsSTDOUT_FILE=$LOGS_DIR/stdout.logSTART_REPORT_FILE=$LOGS_DIR/shell.logREPORT_FILE=$LOGS_DIR/report.flagCONFIG_DIR=$APP_DIR/conf# process system properties to javaSERVER_NAME=`sed '/^dubbo.application.name/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`LOGS_FILE=`sed '/^dubbo.log4j.file/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`APPLICATION_FILE=`sed '/^dubbo.spring.config/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`CONTAINER_INFOR=`sed '/^dubbo.container/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`SERVER_PORT=`sed '/^dubbo.protocol.port/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`JVM_MEM_XMX=`sed '/^jvm.mem.xmx/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`JVM_MEM_XMS=`sed '/^jvm.mem.xms/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`JVM_MEM_NEW_SIZE=`sed '/^jvm.mem.new.size/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`JVM_MEM_PERM_SIZE=`sed '/^jvm.mem.perm.size/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`JVM_MEM_MAX_PERM_SIZE=`sed '/^jvm.mem.max.perm.size/!d;s/.*=//' $CONFIG_DIR/dubbo.properties | tr -d '\r'`if [ -z "$JVM_MEM_XMX" ]; then    JVM_MEM_XMX=6gfiif [ -z "$JVM_MEM_XMS" ]; then    JVM_MEM_XMS=6gfiif [ -z "$JVM_MEM_NEW_SIZE" ]; then    JVM_MEM_NEW_SIZE=4gfiif [ -z "$JVM_MEM_PERM_SIZE" ]; then   JVM_MEM_PERM_SIZEM=64mfiif [ -z "$JVM_MEM_MAX_PERM_SIZE" ]; then    JVM_MEM_MAX_PERM_SIZE=256mfireportTo(){   echo $* >> "$START_REPORT_FILE"}reportJavaVersion(){   java -version >> "$START_REPORT_FILE" 2>&1}echoReport(){   echo $* | tee -a "$START_REPORT_FILE"}if [ -z "$SERVER_NAME" ]; then    SERVER_NAME=`hostname`fiif [ -z "$APPLICATION_FILE" ]; then    echo "ERROR: The property of dubbo.application.file is not set!"    exit 1fireportTo -e "\n================ Time: `date '+%Y-%m-%d %H:%M:%S'` ================"reportJavaVersionAPP_PID=`ps -ef -ww | grep "java" | grep " -DappName=$SERVER_NAME " | awk '{print $2}'`if [ -n "$APP_PID" ]; then    echoReport "INFO: The $SERVER_NAME already started!"    echoReport "PID: $APP_PID"    exit 0fiif [ ! -d "$LOGS_DIR" ]; then    mkdir -p "$LOGS_DIR"fiif [ -e "${REPORT_FILE}" ]; then    rm -rf "${REPORT_FILE}"fiLIB_DIR=$DEPLOY_DIR/libLIB_JARS=`ls -1 "$LIB_DIR" | grep -E "\.jar$" | awk '{print "'$LIB_DIR'/"$0}'|tr "\n" ":"`JAVA_OPTS="-DappName=$SERVER_NAME -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -Ddubbo.shutdown.hook=true -Dapp.started.report=$REPORT_FILE"JAVA_DEBUG_OPTS=""if [ "$1" = "debug" ]; then    addressPort=8001    if [ -n "$2" ]; then       addressPort=$2    fi    JAVA_DEBUG_OPTS=" -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=${addressPort},server=y,suspend=n "fiJAVA_JMX_OPTS=""if [ "$1" = "jmx" ]; then    if [ -n "$2" ]; then       JAVA_JMX_OPTS="$JAVA_JMX_OPTS -Djava.rmi.server.hostname=$2"    fi    if [ -n "$3" ]; then       JAVA_JMX_OPTS="$JAVA_JMX_OPTS -Dcom.sun.management.jmxremote.port=$3"    fi    JAVA_JMX_OPTS="$JAVA_JMX_OPTS -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false"fiJAVA_MEM_OPTS=""BITS=`java -version 2>&1 | grep -i 64-bit`JAVA_MEM_SIZE_OPTS="-Xmx${JVM_MEM_XMX} -Xms${JVM_MEM_XMS} -XX:MaxNewSize=${JVM_MEM_NEW_SIZE}  -Xss256k -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$APP_DIR/logs"if [ -n "$BITS" ]; then    JAVA_MEM_OPTS=" -server $JAVA_MEM_SIZE_OPTS -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 "else    JAVA_MEM_OPTS=" -server $JAVA_MEM_SIZE_OPTS -XX:SurvivorRatio=2 -XX:+UseParallelGC "fi#设置gc参数CUR_DATE=`date +%Y%m%d`GC_LOGFILE="$APP_DIR/logs/gc_$CUR_DATE.log"if [ ! -f "$GC_LOGFILE" ]; then    touch $GC_LOGFILEfiJAVA_MEM_GC_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintHeapAtGC -Xloggc:$GC_LOGFILE"# process system properties to javaJAVA_PROPERTIES_OPTS="-Ddubbo.spring.config=$APPLICATION_FILE -Ddubbo.container=$CONTAINER_INFOR"# log4j2.xml file path configJAVA_LOG4J2_FILE_OPTS="-Dlog4j.configurationFile=$CONFIG_DIR/log4j2.xml"echoReport "Starting the $SERVER_NAME ..."reportTo "java $JAVA_OPTS $JAVA_MEM_OPTS $JAVA_MEM_GC_OPTS $JAVA_DEBUG_OPTS $JAVA_JMX_OPTS $JAVA_PROPERTIES_OPTS $JAVA_LOG4J2_FILE_OPTS -classpath $CONF_DIR:$CONFIG_DIR:$LIB_JARS:$CLASSPATH cn.toua.profile.present.MainAppr"nohup java $JAVA_OPTS $JAVA_MEM_OPTS $JAVA_MEM_GC_OPTS $JAVA_DEBUG_OPTS $JAVA_JMX_OPTS $JAVA_PROPERTIES_OPTS $JAVA_LOG4J2_FILE_OPTS -classpath $CONF_DIR:$CONFIG_DIR:$LIB_JARS:$CLASSPATH cn.toua.profile.present.MainApp > $STDOUT_FILE 2>&1 &sleep 1APP_PID=`ps -ef -ww | grep "java" | grep " -DappName=$SERVER_NAME " | awk '{print $2}'`if [ -z "$APP_PID" ]; then    echoReport "START APP FAIL!"    echoReport "STDOUT: $STDOUT_FILE"    exit 1fi# 最长检测 1 分钟，可能的结果是标志文件不存在，这个要开发人员自己检查进程启动是否有问题.CHECK_MAX_COUNT=12COUNT=0echo -e "Checking proccess[${APP_PID}]..\c"while [ $CHECK_MAX_COUNT -gt 0 ]; do    echo -e ".\c"    sleep 5    COUNT=`ps -p $APP_PID | grep -v "PID" | wc -l`    if [ $COUNT -le 0 ]; then        break    fi    # 标志文件存在，则直接跳出检查    if [ -e "${REPORT_FILE}" ]; then        break    fi    ((CHECK_MAX_COUNT--))doneif [ $COUNT -le 0 ]; then    echoReport "Start App Failed!"    echoReport "STDOUT: $STDOUT_FILE"    exit 1elif [ $CHECK_MAX_COUNT -le 0 ]; then    echoReport "Flag file: '${REPORT_FILE}' does not exist, maybe have some error!"    echoReport "PID: $APP_PID"    echoReport "STDOUT: $STDOUT_FILE"    exit 0else    echoReport "Start App OK!"    echoReport "PID: $APP_PID"    echoReport "STDOUT: $STDOUT_FILE"    exit 0fi

其中如下图就是读取dubbo.properties中的配置:

最后再贴一个assembly.xml:

<assembly xmlns="http://maven.apache.org/ASSEMBLY/3.0.0"          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"          xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/3.0.0 http://maven.apache.org/xsd/assembly-3.0.0.xsd">    <id>assembly</id>    <formats>        <format>tgz</format>    </formats>    <includeBaseDirectory>true</includeBaseDirectory>    <baseDirectory>profile-present-dubbo</baseDirectory>    <fileSets>        <fileSet>            <directory>${project.basedir}/src/main/bin</directory>            <outputDirectory>bin</outputDirectory>            <excludes>                <exclude>*.bat</exclude>            </excludes>            <fileMode>0750</fileMode>        </fileSet>        <fileSet>            <directory>${project.build.directory}/classes</directory>            <outputDirectory>conf</outputDirectory>            <includes>                <include>*.properties</include>                <include>dubbo-provider.xml</include>                <include>log4j2.xml</include>            </includes>            <fileMode>0640</fileMode>        </fileSet>    </fileSets>    <dependencySets>        <dependencySet>            <outputDirectory>lib</outputDirectory>            <scope>runtime</scope>        </dependencySet>    </dependencySets>    <!--<files>-->        <!--<file>-->            <!--<source>target/${project.build.finalName}.jar</source>-->            <!--<outputDirectory>lib</outputDirectory>-->        <!--</file>-->    <!--</files>--></assembly>

总结下:

1.通过maven的filters可以过滤配置文件将配置文件中的${value}替换,

2.多环境可以使用maven标签profiles来指定开发环境变量

3.使用spring管理配置文件加载外部的配置使用file:/xxx/xx/*.properties

4.dubbo启动的时候默认加载classpath下的dubbo.properties文件,当在args传入参数就会以传入的为准而不回去加载classpath下的配置.