Java 并行运行两台Jetty服务器
我有两个项目:Java 并行运行两台Jetty服务器,java,gradle,jetty,Java,Gradle,Jetty,我有两个项目: A --build.gradle B --build.gradle settings.gradle // With: include 'A', 'B' 设置非常简单,每个项目都是一个简单的Jetty服务器: public static void main(String[] args) throws Exception { String location = "src/main/webapp/"; Server server = new Server(8080
A
--build.gradle
B
--build.gradle
settings.gradle // With: include 'A', 'B'
设置非常简单,每个项目都是一个简单的Jetty服务器:
public static void main(String[] args) throws Exception {
String location = "src/main/webapp/";
Server server = new Server(8080);
WebAppContext webapp = new WebAppContext();
webapp.setContextPath("/");
webapp.setResourceBase(location);
server.setHandler(webapp);
server.start();
server.join();
}
当我使用gradlew run
时,它只会生成一定百分比的内容,因为在生成一个项目后,服务器在前台运行,而第二个项目不会生成
Gradle有一个好的解决方案吗?或者我必须创建胖jar并通过编译后任务手动执行吗?您正在硬编码端口(8080)。两台服务器不能在同一端口启动。如果您可以将端口外部化为配置文件,并有两个不同的端口可启动,则应该可以解决您的问题
如果外部化到配置文件似乎很困难,那么将其作为环境参数您可以按照Tomás Lins ExecWait()的思路进行一些修改 简言之;Lin使名为ExecWait的任务侦听字符串输出,然后将任务标记为已完成 可能对你有用的东西: 在Jetty服务器中添加要等待的字符串
server.start();
System.out.println("We have liftoff");
server.join()
以您自己的方式创建ExecWait任务
class ExecWait extends DefaultTask {
String command
String ready
String directory
@TaskAction
def spawnProcess() {
ProcessBuilder builder = new ProcessBuilder(command.split(' '))
builder.redirectErrorStream(true)
builder.directory(new File(directory))
Process process = builder.start()
InputStream stdout = process.getInputStream()
BufferedReader reader = new BufferedReader(new
InputStreamReader(stdout))
def line
while ((line = reader.readLine()) != null) {
println line
if (line.contains(ready)) {
println "$command is ready"
break;
}
}
}
}
沿着
task 'run-A-server'(dependsOn: 'jar', type: ExecWait) {
doFirst {
command "java " +
"-cp ${configurations.runtime.files.collect { it.absolutePath }.join(':')}:${jar.archivePath} " +
"company.jetty.Main"
ready "We have liftoff"
directory "."
}
}
杀戮任务也很方便。这应该行得通
def freePort(int port) {
def cmd = "lsof -Fp -i :$port"
def process = cmd.execute()
process.in.eachLine { line ->
def killProcess = "kill -9 ${line.substring(1)}".execute()
killProcess.waitFor()
}
}
task 'kill-A-server'() <<{
freePort(project.portServerA)
}
def自由端口(int端口){
def cmd=“lsof-Fp-i:$port”
def process=cmd.execute()
process.in.eachLine{line->
def killProcess=“kill-9${line.substring(1)}”.execute()
killProcess.waitFor()
}
}
任务'kill-A-server'()您可以从其他控制台运行它。