Java使用Java process builder执行bash脚本
我试图从Java执行一个bash脚本,它返回错误Java使用Java process builder执行bash脚本,java,linux,bash,shell,Java,Linux,Bash,Shell,我试图从Java执行一个bash脚本,它返回错误/bin/bash:“/home/nika/NetBeansProjects/Parallel Framework/process executor.sh”:没有这样的文件或目录,我正在使用netbeans8和jdk8开发ubuntu 14.04 这是我的密码: public class Process { public static void main(String[] args) { try { Proc
/bin/bash:“/home/nika/NetBeansProjects/Parallel Framework/process executor.sh”:没有这样的文件或目录
,我正在使用netbeans8和jdk8开发ubuntu 14.04
这是我的密码:
public class Process {
public static void main(String[] args) {
try {
ProcessBuilder pb = null;
Process p;
String cmd2 = "";
String workingDir = System.getProperty("user.dir");
System.out.println(""+workingDir);
String scriptloc="'"+workingDir+"/process-executor.sh'";
String cmd[] = {"/bin/bash",scriptloc , "workspace/ForDemo.java", "ForDemo.java", "ForDemo"};
for (int i = 0; i <= cmd.length-1; i++) {
cmd2 += " "+cmd[i];
}
System.out.println("" + cmd2);
pb = new ProcessBuilder(cmd);
pb.directory(new File(workingDir));
p = null;
try {
p = pb.start();
} catch (IOException ex) {
Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
}
BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));
// read the output from the command
System.out.println("Here is the standard output of the command:\n");
String s = null;
String output = "";
while ((s = stdInput.readLine()) != null) {
System.out.println(s);
}
output = "";
// read any errors from the attempted command
System.out.println("Here is the standard error of the command (if any):\n");
while ((s = stdError.readLine()) != null) {
System.out.println(s);
}
} catch (IOException ex) {
Logger.getLogger(Process.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
我的目录层次结构如下
-并行框架--进程执行器。sh
--工作空间
---ForDemo.java(目录)
----java
在本例中,不要在脚本路径中使用单引号,即。E按如下方式修复scriptloc变量:
String scriptloc= workingDir + "/process-executor.sh";
如果在命令行中执行此操作(以转义路径中的空格字符),则需要单引号,但在这种情况下不需要单引号,因为您已经在
cmd[]
数组中隐式指定此路径仅为一个“单位”它执行脚本,但现在我收到了此错误/home/nika/NetBeansProjects/Parallel Framework/process-executor.sh:第6行:cd:“/home/nika/NetBeansProjects/Parallel Framework/workspace/ForDemo.java/”:找不到这样的文件或目录javac:找不到文件:ForDemo.java用法:javac use-帮助获取可能的选项列表错误:找不到或加载ForDemo的主类
抱歉,我没看到你已经把脚本的源代码放进去了,事实上,把这一行改成:cd“${WORK}/”
换成这一行:cd“${WORK}”
,看看是什么happens@DeepSidhu1313对不起,我对我的上一条评论进行了多次编辑,现在我不确定你是否收到了我的最后一条评论,你现在是否已经收到了?
String scriptloc= workingDir + "/process-executor.sh";