嵌入式Tomcat 8 War Maven上出现“文件名太长错误”

时间：2018-07-30 16:27:47

标签： java linux maven tomcat

我一直在寻找8+的嵌入式tomcat版本，所以我从本教程中获得了一个版本：https://www.youtube.com/watch?v=VbXb73bU5N4。它在我的Windows上运行正常，现在在Linux上运行时出现了一些问题。我一直在寻找答案，却一无所获。如果class.path.java是导致 文件名太长 的问题，我该怎么办？

错误消息：

Jul 30, 2018 6:18:09 PM org.apache.catalina.startup.Tomcat getWebappConfigFileFromJar
WARNING: Unable to determine web application context.xml /home/mateuszh/jdk1.8.0_181/jre/lib/charsets.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/deploy.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/cldrdata.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/dnsns.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/jaccess.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/jfxrt.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/localedata.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/nashorn.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunec.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunjce_provider.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunpkcs11.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/zipfs.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/javaws.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jce.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jfr.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jfxswt.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jsse.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/management-agent.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/plugin.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/resources.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/rt.jar:/home/mateuszh/IdeaProjects/embedded/target/classes:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.0.28/tomcat-embed-core-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-jasper/8.0.28/tomcat-embed-jasper-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/8.0.28/tomcat-embed-el-8.0.28.jar:/home/mateuszh/.m2/repository/org/eclipse/jdt/core/compiler/ecj/4.4.2/ecj-4.4.2.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-catalina/8.0.28/tomcat-catalina-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-servlet-api/8.0.28/tomcat-servlet-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-jsp-api/8.0.28/tomcat-jsp-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-el-api/8.0.28/tomcat-el-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-juli/8.0.28/tomcat-juli-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-annotations-api/8.0.28/tomcat-annotations-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-api/8.0.28/tomcat-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-jni/8.0.28/tomcat-jni-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-coyote/8.0.28/tomcat-coyote-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-util-scan/8.0.28/tomcat-util-scan-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-util/8.0.28/tomcat-util-8.0.28.jar:/home/mateuszh/.m2/repository/javax/servlet/javax.servlet-api/4.0.1/javax.servlet-api-4.0.1.jar:/home/mateuszh/.local/share/JetBrains/Toolbox/apps/IDEA-C/ch-0/182.3684.101/lib/idea_rt.jar
java.io.FileNotFoundException: /home/mateuszh/jdk1.8.0_181/jre/lib/charsets.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/deploy.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/cldrdata.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/dnsns.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/jaccess.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/jfxrt.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/localedata.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/nashorn.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunec.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunjce_provider.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunpkcs11.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/zipfs.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/javaws.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jce.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jfr.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jfxswt.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jsse.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/management-agent.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/plugin.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/resources.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/rt.jar:/home/mateuszh/IdeaProjects/embedded/target/classes:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.0.28/tomcat-embed-core-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-jasper/8.0.28/tomcat-embed-jasper-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/8.0.28/tomcat-embed-el-8.0.28.jar:/home/mateuszh/.m2/repository/org/eclipse/jdt/core/compiler/ecj/4.4.2/ecj-4.4.2.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-catalina/8.0.28/tomcat-catalina-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-servlet-api/8.0.28/tomcat-servlet-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-jsp-api/8.0.28/tomcat-jsp-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-el-api/8.0.28/tomcat-el-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-juli/8.0.28/tomcat-juli-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-annotations-api/8.0.28/tomcat-annotations-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-api/8.0.28/tomcat-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-jni/8.0.28/tomcat-jni-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-coyote/8.0.28/tomcat-coyote-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-util-scan/8.0.28/tomcat-util-scan-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-util/8.0.28/tomcat-util-8.0.28.jar:/home/mateuszh/.m2/repository/javax/servlet/javax.servlet-api/4.0.1/javax.servlet-api-4.0.1.jar:/home/mateuszh/.local/share/JetBrains/Toolbox/apps/IDEA-C/ch-0/182.3684.101/lib/idea_rt.jar (File name too long)
    at java.util.zip.ZipFile.open(Native Method)
    at java.util.zip.ZipFile.<init>(ZipFile.java:225)
    at java.util.zip.ZipFile.<init>(ZipFile.java:155)
    at java.util.jar.JarFile.<init>(JarFile.java:166)
    at java.util.jar.JarFile.<init>(JarFile.java:130)
    at org.apache.catalina.startup.Tomcat.getWebappConfigFileFromJar(Tomcat.java:1137)
    at org.apache.catalina.startup.Tomcat.getWebappConfigFile(Tomcat.java:1117)
    at org.apache.catalina.startup.Tomcat.addWebapp(Tomcat.java:540)
    at org.apache.catalina.startup.Tomcat.addWebapp(Tomcat.java:515)
    at com.mateusz.tomcat.embedded.Launcher.startServer(Launcher.java:30)
    at com.mateusz.tomcat.embedded.Launcher.main(Launcher.java:13)

Jul 30, 2018 6:18:09 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-nio-8888"]
Jul 30, 2018 6:18:09 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFO: Using a shared selector for servlet write/read
Jul 30, 2018 6:18:10 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Tomcat
Jul 30, 2018 6:18:10 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/8.0.28
Jul 30, 2018 6:18:10 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[/embedded]]
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:192)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[/embedded]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    ... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@51ff5a12]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4854)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4984)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 6 more
Caused by: java.lang.IllegalArgumentException: The main resource set specified [/home/mateuszh/jdk1.8.0_181/jre/lib/charsets.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/deploy.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/cldrdata.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/dnsns.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/jaccess.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/jfxrt.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/localedata.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/nashorn.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunec.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunjce_provider.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/sunpkcs11.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/ext/zipfs.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/javaws.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jce.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jfr.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jfxswt.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/jsse.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/management-agent.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/plugin.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/resources.jar:/home/mateuszh/jdk1.8.0_181/jre/lib/rt.jar:/home/mateuszh/IdeaProjects/embedded/target/classes:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.0.28/tomcat-embed-core-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-jasper/8.0.28/tomcat-embed-jasper-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/8.0.28/tomcat-embed-el-8.0.28.jar:/home/mateuszh/.m2/repository/org/eclipse/jdt/core/compiler/ecj/4.4.2/ecj-4.4.2.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-catalina/8.0.28/tomcat-catalina-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-servlet-api/8.0.28/tomcat-servlet-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-jsp-api/8.0.28/tomcat-jsp-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-el-api/8.0.28/tomcat-el-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-juli/8.0.28/tomcat-juli-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-annotations-api/8.0.28/tomcat-annotations-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-api/8.0.28/tomcat-api-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-jni/8.0.28/tomcat-jni-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-coyote/8.0.28/tomcat-coyote-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-util-scan/8.0.28/tomcat-util-scan-8.0.28.jar:/home/mateuszh/.m2/repository/org/apache/tomcat/tomcat-util/8.0.28/tomcat-util-8.0.28.jar:/home/mateuszh/.m2/repository/javax/servlet/javax.servlet-api/4.0.1/javax.servlet-api-4.0.1.jar:/home/mateuszh/.local/share/JetBrains/Toolbox/apps/IDEA-C/ch-0/182.3684.101/lib/idea_rt.jar] is not valid
    at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:723)
    at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:684)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 9 more

couldn't start the server
Jul 30, 2018 6:18:10 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost]]
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:192)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:439)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:769)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.startup.Tomcat.start(Tomcat.java:337)
    at com.mateusz.tomcat.embedded.Launcher.startServer(Launcher.java:33)
    at com.mateusz.tomcat.embedded.Launcher.main(Launcher.java:13)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:924)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 6 more

pom.xml 

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
     http://maven.apache.org/xsd/maven-4.0.0.xsd">

<artifactId>embedded</artifactId>
<groupId>com.mateusz.tomcat</groupId>
<version>1.0.0</version>
<packaging>war</packaging>

<modelVersion>4.0.0</modelVersion>
<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <tomcat.version>8.0.28</tomcat.version>
</properties>

<build>
    <plugins>
        <!--create a jar to start the server-->
        <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <version>3.0.0</version>
            <configuration>
                <descriptorRefs>
                    <descriptorRef>jar-with-dependencies</descriptorRef>
                </descriptorRefs>
            </configuration>
            <executions>
                <execution>
                    <id>make-launcher-jar</id>
                    <phase>prepare-package</phase>
                    <goals>
                        <goal>single</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <!-- unpack jar into the war folder-->
        <plugin>
            <artifactId>maven-antrun-plugin</artifactId>
            <version>1.8</version>
            <executions>
                <execution>
                    <phase>prepare-package</phase>
                    <configuration>
                        <tasks>
                            <echo message="unzipping file"/>
                            <unzip src="${project.build.directory}/${project.build.finalName}-jar-with-dependencies.jar"
                                   dest="${project.build.directory}/${project.build.finalName}/"/>
                        </tasks>
                    </configuration>
                    <goals>
                        <goal>run</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <!-- make the war file-->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>3.0.0</version>
            <configuration>
                <attachClasses>true</attachClasses>
                <archive>
                    <manifest>
                        <addClasspath>true</addClasspath>
                        <mainClass>Launcher</mainClass>
                    </manifest>
                </archive>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.5.1</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
    </plugins>
</build>

<dependencies>
    <!-- Embedded tomcat  -->
    <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-core</artifactId>
        <version>${tomcat.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-jasper</artifactId>
        <version>${tomcat.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-catalina</artifactId>
        <version>${tomcat.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-util</artifactId>
        <version>${tomcat.version}</version>
    </dependency>

    <!-- JavaX -->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>4.0.1</version>
    </dependency>
</dependencies>

和我的启动器

package com.mateusz.tomcat.embedded;

import org.apache.catalina.Context;
import org.apache.catalina.Host;
import org.apache.catalina.startup.Tomcat;

import java.io.File;

public class Launcher {
    public static void main(String[] args) {
        Launcher launcher = new Launcher();
        try {
            launcher.startServer();
        } catch (Exception e) {
            System.out.println("couldn't start the server");
        }
    }

    private void startServer() throws Exception {
        File war = new File(System.getProperty("java.class.path"));
        Tomcat tomcat = new Tomcat();
        tomcat.setPort(8888);
        tomcat.setBaseDir(System.getProperty("user.dir"));
        System.out.println("war: " + war);

        Host host = tomcat.getHost();
        host.setAppBase(System.getProperty("user.dir"));
        host.setAutoDeploy(true);
        host.setDeployOnStartup(true);
        Context appContext = tomcat.addWebapp(host, "/embedded", war.getAbsolutePath());
        System.out.println("Deployed " + appContext.getBaseName() + " as " + appContext.getDocBase());

        tomcat.start();
        tomcat.getServer().await();
    }
}

1 个答案:

答案 0 :(得分：0)

我已经通过改变一条车道解决了这个问题。

File war = new File(System.getProperty("java.class.path"));

更改为：

File war = new File(".");
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