我正在尝试在Tomcat 9中使用某些应用程序(4个春季启动Web应用程序),我注意到其中2个使Tomcat日志显示:

17-Nov-2016 00:15:07.110 INFO [localhost-startStop-2] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive /Users/viruskimera/apache-tomcat-9.0.0.M11/webapps/ftpoutbound990-0.0.1-SNAPSHOT.war


而且它保持这种状态,只是部署它不会显示DEPLOYMENT FINISHED。
事实是,即使应用程序并未完全部署,它也能正常工作。
(我看到我的log4j条目和文件在受监视的文件夹中处理)

这些应用程序使用Java watchService通过以下代码监视2个不同的文件夹:

包com.ftpoutbound990.monitor;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.ClosedWatchServiceException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardWatchEventKinds;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import com.ftpoutbound990.client.FtpoutboundApp;

@Component
public class MonitorDirectory {

    final static Logger logger = Logger.getLogger(MonitorDirectory.class);

    @Autowired
    private FtpoutboundApp ftpoutboundapp;

    @Value("${folder990}")
    private String folder990;

    public void startMonitoring() throws IOException, InterruptedException {
        logger.info("INICIO DE MONITOREO DE ARCHIVOS 990");
        try (WatchService watchService = FileSystems.getDefault().newWatchService()) {

            Path faxFolder = Paths.get(folder990);

            WatchService watchmyservice = FileSystems.getDefault().newWatchService();
            faxFolder.register(watchmyservice, StandardWatchEventKinds.ENTRY_CREATE);

            boolean valid = true;
            do {
                try {
                    WatchKey watchKey = watchmyservice.take();

                    for (WatchEvent event : watchKey.pollEvents()) {
                        WatchEvent.Kind kind = event.kind();
                        if (StandardWatchEventKinds.ENTRY_CREATE.equals(event.kind())) {
                            String fileName = event.context().toString();
                            logger.info("ARCHIVO NUEVO:" + fileName);
                            boolean isGrowing = false;
                            Long initialWeight = new Long(0);
                            Long finalWeight = new Long(0);
                            Path child = faxFolder.resolve(folder990 + fileName);
                            do {
                                initialWeight = child.toFile().length();
                                Thread.sleep(1000);
                                finalWeight = child.toFile().length();
                                isGrowing = initialWeight < finalWeight;
                                logger.info("AUN COPIANDO ARCHIVO:" + fileName);
                            } while (isGrowing);
                            logger.info("LISTO ARCHIVO:" + fileName);
                            getFile(fileName);
                        }
                    }
                    valid = watchKey.reset();
                    // Thread.sleep(1000 * 10);
                } catch (InterruptedException | ClosedWatchServiceException e) {
                    //watchmyservice.close();
                    Thread.currentThread().interrupt();
                }

            } while (valid);
        }
    }

    public void getFile(String fileName) throws IOException {

        File file = new File(folder990 + fileName);
        ftpoutboundapp.createGateway(file);
    }

}


如果我删除Do-While,则应用程序会完成部署!但为什么?这是标准的Java监视服务代码,有人可以帮助我认识到我所缺少的内容吗?
事实是,Tomcat没有部署我的第4个应用程序,因为它一直在部署第3个应用程序。
在此先感谢您的帮助



编辑1:添加线程

28-Dec-2016 17:57:27.558 INFO [main] org.apache.catalina.core.StandardServer.await A valid shutdown command was received via the shutdown port. Stopping the Server instance.
28-Dec-2016 17:57:27.559 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-8080"]
28-Dec-2016 17:57:27.613 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["ajp-nio-8009"]
28-Dec-2016 17:57:27.664 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service Catalina
28-Dec-2016 17:57:27.664 SEVERE [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig.deployWARs Error waiting for multi-thread deployment of WAR files to complete
 java.lang.InterruptedException
    at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:404)
    at java.util.concurrent.FutureTask.get(FutureTask.java:191)
    at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:744)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:407)
    at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1595)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:280)
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:92)
    at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1136)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1372)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1376)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1344)
    at java.lang.Thread.run(Thread.java:745)

28-Dec-2016 18:00:21.904 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version:        Apache Tomcat/9.0.0.M11
28-Dec-2016 18:00:21.907 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built:          Oct 6 2016 18:54:10 UTC
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number:         9.0.0.0
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name:               Mac OS X
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version:            10.9.5
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture:          x86_64
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home:             /Library/Java/JavaVirtualMachines/jdk1.8.0_73.jdk/Contents/Home/jre
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version:           1.8.0_73-b02
28-Dec-2016 18:00:21.908 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor:            Oracle Corporation
28-Dec-2016 18:00:21.909 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE:         /Users/viruskimera/apache-tomcat-9.0.0.M11
28-Dec-2016 18:00:21.909 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME:         /Users/viruskimera/apache-tomcat-9.0.0.M11
28-Dec-2016 18:00:21.909 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/Users/viruskimera/apache-tomcat-9.0.0.M11/conf/logging.properties
28-Dec-2016 18:00:21.909 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
28-Dec-2016 18:00:21.909 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
28-Dec-2016 18:00:21.910 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
28-Dec-2016 18:00:21.910 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/Users/viruskimera/apache-tomcat-9.0.0.M11
28-Dec-2016 18:00:21.910 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/Users/viruskimera/apache-tomcat-9.0.0.M11
28-Dec-2016 18:00:21.910 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/Users/viruskimera/apache-tomcat-9.0.0.M11/temp
28-Dec-2016 18:00:21.910 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /Users/viruskimera/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
28-Dec-2016 18:00:22.063 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
28-Dec-2016 18:00:22.093 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
28-Dec-2016 18:00:22.096 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
28-Dec-2016 18:00:22.098 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
28-Dec-2016 18:00:22.100 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 604 ms
28-Dec-2016 18:00:22.145 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina
28-Dec-2016 18:00:22.145 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/9.0.0.M11
28-Dec-2016 18:00:22.224 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive /Users/viruskimera/apache-tomcat-9.0.0.M11/webapps/ftpoutbound990-0.0.1-SNAPSHOT.war
28-Dec-2016 18:00:26.346 INFO [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.3.6.RELEASE)

最佳答案

在盲人手中射击。

对代码的简单回顾表明,如果在try catch中引发异常,则布尔标志valid仍为true,从而导致无限循环。

因此,在catch块的主体中​​将标志设置为false!

09-10 09:47
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