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[Java] ProcessBuilder waitFor() error code 1 본문
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String cmd[] = new String[] {"나의", "커맨드", "명령어"};
ProcessBuilder builder = new ProcessBuilder(cmd);
try {
Process process = builder.start();
int exitVal = process.waitFor(); // wait for end of child process
System.out.println("\nExited with error code : " + exitVal);
if (exitVal != 0) {
System.out.println("SUB PROCESS ABNORMAL TERMINATION");
return result;
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return result;
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return result;
}
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cs |
Exited with error code : 1
일반 오류여서 헤맸는데...outputstream을 읽어주지 않아 발생한 오류였다.
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String cmd[] = new String[] {"나의", "커맨드", "명령어"};
ProcessBuilder builder = new ProcessBuilder(cmd);
try {
builder.redirectErrorStream(true);
Process process = builder.start();
BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line;
while ((line = reader.readLine()) != null)
System.out.println("tasklist: " + line);
process.waitFor();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return result;
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return result;
}
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cs |
이렇게 고쳐서 해결
참고 :
https://stackoverflow.com/questions/5483830/process-waitfor-never-returns
https://d2.naver.com/helloworld/1113548
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