Apache common exec包的相应使用总结
final Process p = Runtime.getRuntime().exec(command);
new Thread(new Runnable() {
@Override
public void run() {
while (true){
try {
p.exitValue();
break;
} catch (Exception e){
showInfo(System.err,p.getErrorStream());
}
}
}
}).start();
new Thread(new Runnable() {
@Override
public void run() {
while (true){
try {
p.exitValue();
break;
} catch (Exception e){
showInfo(System.out,p.getInputStream());
}
}
}
}).start();
int exitValue = p.waitFor();
final Long executeSubTaskId = subTaskExecuteContext.getSubTaskExecuteId();
final Long taskStatusId = subTaskExecuteContext.getTaskExecuteContext().getTaskExecuteId(); ByteArrayOutputStream outputStream =
new MzByteArrayOutputStream(executeSubTaskId, taskStatusNotifyCenter, true);
ByteArrayOutputStream errorStream =
new MzByteArrayOutputStream(executeSubTaskId, taskStatusNotifyCenter, false);
PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream, errorStream);
taskThreadPoolExecutor.setStreamHandler(streamHandler); CommandLine commandLine = new CommandLine(new File(executeShellPath)); final TaskProcessInfo taskProcessInfo = new TaskProcessInfo(subTaskExecuteContext.getTaskExecuteContext().getTaskId(),
taskStatusId,
executeSubTaskId);
ProcessManagerDestroyer processManagerDestroyer =
new ProcessManagerDestroyer(
taskProcessInfo, processInfoManager);
taskThreadPoolExecutor.setProcessDestroyer(processManagerDestroyer);
try {
taskThreadPoolExecutor.execute(commandLine, new DefaultExecuteResultHandler() {
@Override
public void onProcessComplete(int exitValue) {
super.onProcessComplete(exitValue);
LOG.info(String.format("Task Process info: %s succeed!", taskProcessInfo));
taskStatusNotifyCenter.notifyEventChanged(new TaskStatusEvent(TaskStatusEventType.TASK_FINISHED,
new TaskEventObject(subTaskExecuteContext.getTaskExecuteContext().getTaskId(),
subTaskExecuteContext.getTaskExecuteContext().getTaskExecuteId(),
subTaskExecuteContext.getSubTaskExecuteId())));
} @Override
public void onProcessFailed(ExecuteException e) {
super.onProcessFailed(e);
LOG.error(e);
LOG.error(String.format("Task Process info: %s failed!", taskProcessInfo));
taskStatusNotifyCenter.notifyEventChanged(new TaskStatusEvent(TaskStatusEventType.TASK_FAILED,
new TaskEventObject(subTaskExecuteContext.getTaskExecuteContext().getTaskId(),
subTaskExecuteContext.getTaskExecuteContext().getTaskExecuteId(),
subTaskExecuteContext.getSubTaskExecuteId())));
}
});
} catch (IOException e) {
throw new BusinessException(e);
}
@Override
public synchronized void write(byte[] b, int off, int len) {
super.write(b, off, len);
writeTimes++;
writeLength += len;
if (writeLength >= MAX_WRITE_LENGTH || writeTimes >= MAX_WRITE_TIMES) {
updateStatus();
this.buf = new byte[32];
writeLength = 0;
writeTimes = 0;
} } @Override
public void flush() throws IOException {
super.flush();
updateStatus();
}
public class ProcessManagerDestroyer implements ProcessDestroyer { private final ProcessInfoManager processInfoManager; private final TaskProcessInfo taskProcessInfo; public ProcessManagerDestroyer(TaskProcessInfo taskProcessInfo, ProcessInfoManager processInfoManager) {
this.taskProcessInfo = taskProcessInfo;
this.processInfoManager = processInfoManager;
} @Override
public boolean add(Process process) {
processInfoManager.addProcess(taskProcessInfo, process);
return true;
} @Override
public boolean remove(Process process) {
processInfoManager.removeProcess(taskProcessInfo);
return true;
} @Override
public int size() {
return processInfoManager.taskCount();
}
process.destroy();
org.apache.commons.exec.ExecuteException: Execution failed (Exit value: -559038737. Caused by java.io.IOException: Cannot run program "/Users/mazhiqiang/Downloads/1.sh" (in directory "."): error=13, Permission denied)
at org.apache.commons.exec.DefaultExecutor$1.run(DefaultExecutor.java:205)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Cannot run program "/Users/xxx/Downloads/1.sh" (in directory "."): error=13, Permission denied
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1042)
at java.lang.Runtime.exec(Runtime.java:620)
at org.apache.commons.exec.launcher.Java13CommandLauncher.exec(Java13CommandLauncher.java:61)
at org.apache.commons.exec.DefaultExecutor.launch(DefaultExecutor.java:279)
at org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:336)
at org.apache.commons.exec.DefaultExecutor.access$200(DefaultExecutor.java:48)
at org.apache.commons.exec.DefaultExecutor$1.run(DefaultExecutor.java:200)
... 1 more
Caused by: java.io.IOException: error=13, Permission denied
at java.lang.UNIXProcess.forkAndExec(Native Method)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:185)
at java.lang.ProcessImpl.start(ProcessImpl.java:134)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1023)
... 7 more
file.executable()
!/bin/bash
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