我正在关注the Installation Guide。当我输入“ sudo ant eclipse”以安装Eclipse IDE时，会出现一些错误。
root@ubuntu:/home/yxcoder/Public/floodlight# sudo ant eclipse
Buildfile: /home/yxcoder/Public/floodlight/build.xml
[taskdef] Could not load definitions from resource tasks.properties. It could not be found.
init:
eclipse:
BUILD FAILED
/home/yxcoder/Public/floodlight/build.xml:354: Execute failed: java.io.IOException: Cannot run program "/home/yxcoder/Public/floodlight/setup-eclipse.sh" (in directory "/home/yxcoder/Public/floodlight"): error=13, Permission denied
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1128)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1071)
at java.base/java.lang.Runtime.exec(Runtime.java:591)
at org.apache.tools.ant.taskdefs.launcher.Java13CommandLauncher.exec(Java13CommandLauncher.java:58)
at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:424)
at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:438)
at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:630)
at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:669)
at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:497)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at jdk.internal.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1391)
at org.apache.tools.ant.Project.executeTarget(Project.java:1364)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1254)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
Caused by: java.io.IOException: error=13, Permission denied
at java.base/java.lang.ProcessImpl.forkAndExec(Native Method)
at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:340)
at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:271)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1107)
... 24 more
Total time: 1 second
346 <target name="eclipse" depends="init">
347 <pathconvert property="eclipse-lib">
348 <map from="${basedir}/" to=""/>
349 <fileset dir="${lib}">
350 <patternset refid="lib"/>
351 <patternset refid="lib-test"/>
352 </fileset>
353 </pathconvert>
354 <exec executable="${basedir}/setup-eclipse.sh">
355 <arg value="${main-class}"/>
356 <arg value="${eclipse-lib}"/>
357 </exec>
358 </target>
就像错误“ BUILD FAILED”一样，是因为权限被拒绝。
为什么该错误即使是root权限也被拒绝，如何解决？
环境：
jdk "11.0.5-ea"
ant "1.10.6"
ubuntu "5.3.0-18"