Example usage for java.lang Process destroy

List of usage examples for java.lang Process destroy

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Introduction

In this page you can find the example usage for java.lang Process destroy.

Prototype

public abstract void destroy();

Source Link

Document

Kills the process.

Usage

From source file:uk.ac.kcl.iop.brc.core.pipeline.dncpipeline.service.PythonService.java

/**
 * Runs the Python interpreter./*from  w  w  w. j av  a2  s .c  o m*/
 * @param args List of arguments to be supplied to the python command.
 * @return Result from python string
 * @throws IOException
 */
public String runFile(List<String> args) throws IOException {
    LinkedList<String> list = new LinkedList<>(args);
    list.addFirst("python");
    ProcessBuilder processBuilder = new ProcessBuilder(list);
    Process p = processBuilder.start();
    BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
    StringWriter stringWriter = new StringWriter();
    in.lines().forEach(stringWriter::append);
    p.destroy();
    return stringWriter.toString();
}

From source file:com.ikon.servlet.TextToSpeechServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    String cmd = "espeak -v mb-es1 -f input.txt | mbrola -e /usr/share/mbrola/voices/es1 - -.wav "
            + "| oggenc -Q - -o output.ogg";
    String text = WebUtils.getString(request, "text");
    String docPath = WebUtils.getString(request, "docPath");
    response.setContentType("audio/ogg");
    FileInputStream fis = null;//  w  w  w .jav  a2 s  .  c  o  m
    OutputStream os = null;

    try {
        if (!text.equals("")) {
            FileUtils.writeStringToFile(new File("input.txt"), text);
        } else if (!docPath.equals("")) {
            InputStream is = OKMDocument.getInstance().getContent(null, docPath, false);
            Document doc = OKMDocument.getInstance().getProperties(null, docPath);
            DocConverter.getInstance().doc2txt(is, doc.getMimeType(), new File("input.txt"));
        }

        // Convert to voice
        ProcessBuilder pb = new ProcessBuilder("/bin/sh", "-c", cmd);
        Process process = pb.start();
        process.waitFor();
        String info = IOUtils.toString(process.getInputStream());
        process.destroy();

        if (process.exitValue() == 1) {
            log.warn(info);
        }

        // Send to client
        os = response.getOutputStream();
        fis = new FileInputStream("output.ogg");
        IOUtils.copy(fis, os);
        os.flush();
    } catch (InterruptedException e) {
        log.warn(e.getMessage(), e);
    } catch (IOException e) {
        log.warn(e.getMessage(), e);
    } catch (PathNotFoundException e) {
        log.warn(e.getMessage(), e);
    } catch (AccessDeniedException e) {
        log.warn(e.getMessage(), e);
    } catch (RepositoryException e) {
        log.warn(e.getMessage(), e);
    } catch (DatabaseException e) {
        log.warn(e.getMessage(), e);
    } catch (ConversionException e) {
        log.warn(e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(fis);
        IOUtils.closeQuietly(os);
    }
}

From source file:org.apache.htrace.core.TracerId.java

/**
 * <p>Get the process ID by executing a shell and printing the PPID (parent
 * process ID).</p>//from  ww  w  . j  a  va2  s  .com
 *
 * This method of getting the process ID doesn't depend on any undocumented
 * features of the virtual machine, and should work on almost any UNIX
 * operating system.
 */
private static long getOsPidFromShellPpid() {
    Process p = null;
    StringBuilder sb = new StringBuilder();
    try {
        p = new ProcessBuilder("/usr/bin/env", "sh", "-c", "echo $PPID").redirectErrorStream(true).start();
        BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line = "";
        while ((line = reader.readLine()) != null) {
            sb.append(line.trim());
        }
        int exitVal = p.waitFor();
        if (exitVal != 0) {
            throw new IOException("Process exited with error code " + Integer.valueOf(exitVal).toString());
        }
    } catch (InterruptedException e) {
        LOG.error("Interrupted while getting operating system pid from " + "the shell.", e);
        return 0L;
    } catch (IOException e) {
        LOG.error("Error getting operating system pid from the shell.", e);
        return 0L;
    } finally {
        if (p != null) {
            p.destroy();
        }
    }
    try {
        return Long.parseLong(sb.toString());
    } catch (NumberFormatException e) {
        LOG.error("Error parsing operating system pid from the shell.", e);
        return 0L;
    }
}

From source file:org.ambraproject.action.debug.ProcessDumpAction.java

private String getProcessDump() throws Exception {
    Process process = null;
    String result;/*from  ww w  .ja  va 2 s .c o  m*/
    try {
        process = Runtime.getRuntime().exec("ps uaxwww");
        result = IOUtils.toString(process.getInputStream());
        process.waitFor();
    } finally {
        process.destroy();
    }
    return result;
}

From source file:bjerne.gallery.service.impl.VideoConversionServiceImpl.java

private void cleanupFailure(Process pr, File newVideo) {
    LOG.debug("Cleaning up failing conversion job. Killing process {}", pr);
    pr.destroy();
    LOG.debug("Trying to remove new file (if any): {}", newVideo.toString());
    newVideo.delete();/*from w w  w .j av  a 2  s . com*/
}

From source file:com.netflix.genie.agent.execution.services.impl.LaunchJobServiceImpl.java

/**
 * {@inheritDoc}//w  w  w  .ja v a  2  s .  c  o  m
 */
@Override
public void kill() {
    killed.set(true);

    final Process process = processReference.get();

    if (process != null) {
        process.destroy();
    }
}

From source file:com.thoughtworks.go.helper.P4TestRepo.java

public void onTearDown() {
    Process process = (Process) ReflectionUtil.getField(p4dProcess, "process");
    process.destroy();
    FileUtils.deleteQuietly(tempRepo);/* www .ja  v  a 2 s .  c o m*/
    FileUtils.deleteQuietly(clientFolder);
}

From source file:com.diversityarrays.kdxplore.trialdesign.JobRunningTask.java

@Override
public Either<String, AlgorithmRunResult> generateResult(Closure<Void> arg0) throws Exception {

    AlgorithmRunResult result = new AlgorithmRunResult(algorithmName, algorithmFolder);
    ProcessBuilder pb = new ProcessBuilder(command);

    File tempAlgorithmOutputFile = new File(algorithmFolder, "stdout.txt");
    File tempAlgorithmErrorFile = new File(algorithmFolder, "stderr.txt");

    //pb.redirectErrorStream(true);
    tempAlgorithmErrorFile.createNewFile();
    tempAlgorithmOutputFile.createNewFile();

    pb.redirectOutput(tempAlgorithmOutputFile);
    pb.redirectError(tempAlgorithmErrorFile);

    Process process = pb.start();

    while (!process.waitFor(1000, TimeUnit.MILLISECONDS)) {
        if (backgroundRunner.isCancelRequested()) {
            process.destroy();
            throw new CancellationException();
        }//w  w w.  j a  v a2  s .co  m
    }

    int exitCode = process.exitValue();
    if (exitCode != 0) {
        String errtxt = Algorithms.readContent("Error Output: (code=" + exitCode + ")",
                new FileInputStream(tempAlgorithmErrorFile));
        return Either.left(errtxt);
    }

    if (!kdxploreOutputFile.exists()) {
        return Either.left("Missing output file: " + kdxploreOutputFile.getPath());
    }

    result.addTrialEntries(kdxploreOutputFile, userTrialEntries);

    return Either.right(result);
}

From source file:in.cs654.chariot.ashva.AshvaProcessor.java

/**
 * This function takes in request, executes the request and returns the response.
 * The request is written into /tmp/<request_id>.req file. While running the docker container, /tmp dir is mounted
 * to /tmp of the container. This enables ease of data exchange. TODO encryption
 * Docker runs the request and puts the result into /tmp/<request_id>.res.
 * If the request specifies a timeout, it is picked up, else default timeout is set for the process to run
 * @param request containing function_name and other required information
 * @return response of the request/*from  w w w. j  a  v  a  2  s  .co  m*/
 */
private static BasicResponse handleTaskProcessingRequest(BasicRequest request) {
    final String requestID = request.getRequestId();
    try {
        final byte[] serializedBytes = AvroUtils.requestToBytes(request);
        final FileOutputStream fos = new FileOutputStream("/tmp/" + requestID + ".req");
        fos.write(serializedBytes);
        fos.close();
        String timeoutString = request.getExtraData().get("chariot_timeout");
        Long timeout;
        if (timeoutString != null) {
            timeout = Long.parseLong(timeoutString);
        } else {
            timeout = PROCESS_DEFAULT_TIMEOUT;
        }

        final String dockerImage = Mongo.getDockerImage(request.getDeviceId());
        final String cmd = "docker run -v /tmp:/tmp " + dockerImage + " /bin/chariot " + requestID;
        final Process process = Runtime.getRuntime().exec(cmd);
        TimeoutProcess timeoutProcess = new TimeoutProcess(process);
        timeoutProcess.start();
        try {
            timeoutProcess.join(timeout); // milliseconds
            if (timeoutProcess.exit != null) {
                File file = new File("/tmp/" + requestID + ".res");
                byte[] bytes = FileUtils.readFileToByteArray(file);
                LOGGER.info("Response generated for request " + requestID);
                return AvroUtils.bytesToResponse(bytes);
            } else {
                LOGGER.severe("Timeout in generating response for request " + requestID);
                return ResponseFactory.getTimeoutErrorResponse(request);
            }
        } catch (InterruptedException ignore) {
            timeoutProcess.interrupt();
            Thread.currentThread().interrupt();
            LOGGER.severe("Error in generating response for request " + requestID);
            return ResponseFactory.getErrorResponse(request);
        } finally {
            process.destroy();
        }
    } catch (IOException ignore) {
        LOGGER.severe("Error in generating response for request: " + requestID);
        return ResponseFactory.getErrorResponse(request);
    }
}

From source file:com.tascape.qa.th.Utils.java

/**
 * Executes command, and waits for the expected pass/fail phrase in console printout within timeout,
 *
 * @param command    command line/*from   www.  jav a  2s.co  m*/
 * @param pass       skip checking if null
 * @param fail       skip checking if null
 * @param timeout    set 0 for not to check the output message, otherwise, waiting for timeout
 * @param workingDir working directory
 *
 * @return console output as a list of strings
 *
 * @throws IOException          for command error
 * @throws InterruptedException when interrupted
 */
public static List<String> cmd(String[] command, final String pass, final String fail, final long timeout,
        final String workingDir) throws IOException, InterruptedException {
    ProcessBuilder pb = new ProcessBuilder(command);
    if (workingDir != null) {
        pb.directory(new File(workingDir));
    }
    pb.redirectErrorStream(true);
    LOG.debug("Running command: " + pb.command().toString().replace(",", ""));
    final Process p = pb.start();
    Thread thread;
    final List<String> output = new ArrayList<>();

    if (timeout == 0) {
        LOG.debug("This is a start-and-exit command");
        output.add(PASS);
        return output;
    } else {
        thread = new Thread() {
            @Override
            public void run() {
                try {
                    LOG.debug("Command timeouts in {} ms", timeout);
                    Thread.sleep(timeout);
                    try {
                        p.exitValue();
                    } catch (IllegalThreadStateException ex) {
                        LOG.debug("killing subprocess {} - {}", p, ex.getMessage());
                        p.destroy();
                    }
                } catch (InterruptedException ex) {
                    LOG.warn(ex.getMessage());
                }
            }
        };
        thread.setName(Thread.currentThread().getName() + "-" + p.hashCode());
        thread.setDaemon(true);
        thread.start();
    }

    BufferedReader stdIn = new BufferedReader(new InputStreamReader(p.getInputStream()));
    String c = p + " - ";
    for (String line = stdIn.readLine(); line != null;) {
        LOG.trace("{}{}", c, line);
        output.add(line);
        try {
            line = stdIn.readLine();
        } catch (IOException ex) {
            LOG.warn(ex.getMessage());
            break;
        }
    }
    LOG.debug("Command exit code {}", p.waitFor());
    thread.interrupt();
    try {
        stdIn.close();
    } catch (IOException ex) {
        LOG.warn("", ex);
    }

    for (String s : output) {
        if (pass != null && (s.contains(pass) || s.matches(pass))) {
            output.add(PASS);
            break;
        } else if (fail != null && s.contains(fail)) {
            output.add(FAIL);
            break;
        }
    }
    return output;
}