Examples with ExecuteWatchdog org.apache.commons.exec.ExecuteWatchdog used on opensource projects

Example 6 with ExecuteWatchdog

use of org.apache.commons.exec.ExecuteWatchdog in project tika by apache.

the class PooledTimeSeriesParser method computePoT.

private String computePoT(File input) throws IOException, TikaException {
    CommandLine cmdLine = new CommandLine("pooled-time-series");
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    cmdLine.addArgument("-f");
    cmdLine.addArgument(input.getAbsolutePath());
    LOG.trace("Executing: {}", cmdLine);
    DefaultExecutor exec = new DefaultExecutor();
    exec.setExitValue(0);
    ExecuteWatchdog watchdog = new ExecuteWatchdog(60000);
    exec.setWatchdog(watchdog);
    PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
    exec.setStreamHandler(streamHandler);
    int exitValue = exec.execute(cmdLine, EnvironmentUtils.getProcEnvironment());
    return outputStream.toString("UTF-8");
}

Example 7 with ExecuteWatchdog

use of org.apache.commons.exec.ExecuteWatchdog in project ddf by codice.

the class VideoThumbnailPlugin method executeFFmpeg.

private DefaultExecuteResultHandler executeFFmpeg(final CommandLine command, final int timeoutSeconds, final PumpStreamHandler streamHandler) throws IOException {
    final ExecuteWatchdog watchdog = new ExecuteWatchdog(timeoutSeconds * 1000);
    final Executor executor = new DefaultExecutor();
    executor.setWatchdog(watchdog);
    if (streamHandler != null) {
        executor.setStreamHandler(streamHandler);
    }
    final DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
    executor.execute(command, resultHandler);
    return resultHandler;
}

Example 8 with ExecuteWatchdog

use of org.apache.commons.exec.ExecuteWatchdog in project zeppelin by apache.

the class PySparkInterpreter method createGatewayServerAndStartScript.

private void createGatewayServerAndStartScript() {
    // create python script
    createPythonScript();
    port = findRandomOpenPortOnAllLocalInterfaces();
    gatewayServer = new GatewayServer(this, port);
    gatewayServer.start();
    // Run python shell
    // Choose python in the order of
    // PYSPARK_DRIVER_PYTHON > PYSPARK_PYTHON > zeppelin.pyspark.python
    String pythonExec = getProperty("zeppelin.pyspark.python");
    if (System.getenv("PYSPARK_PYTHON") != null) {
        pythonExec = System.getenv("PYSPARK_PYTHON");
    }
    if (System.getenv("PYSPARK_DRIVER_PYTHON") != null) {
        pythonExec = System.getenv("PYSPARK_DRIVER_PYTHON");
    }
    CommandLine cmd = CommandLine.parse(pythonExec);
    cmd.addArgument(scriptPath, false);
    cmd.addArgument(Integer.toString(port), false);
    cmd.addArgument(Integer.toString(getSparkInterpreter().getSparkVersion().toNumber()), false);
    executor = new DefaultExecutor();
    outputStream = new InterpreterOutputStream(logger);
    PipedOutputStream ps = new PipedOutputStream();
    in = null;
    try {
        in = new PipedInputStream(ps);
    } catch (IOException e1) {
        throw new InterpreterException(e1);
    }
    ins = new BufferedWriter(new OutputStreamWriter(ps));
    input = new ByteArrayOutputStream();
    PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream, outputStream, in);
    executor.setStreamHandler(streamHandler);
    executor.setWatchdog(new ExecuteWatchdog(ExecuteWatchdog.INFINITE_TIMEOUT));
    try {
        Map env = setupPySparkEnv();
        executor.execute(cmd, env, this);
        pythonscriptRunning = true;
    } catch (IOException e) {
        throw new InterpreterException(e);
    }
    try {
        input.write("import sys, getopt\n".getBytes());
        ins.flush();
    } catch (IOException e) {
        throw new InterpreterException(e);
    }
}

Example 9 with ExecuteWatchdog

use of org.apache.commons.exec.ExecuteWatchdog in project zeppelin by apache.

the class PythonInterpreter method createGatewayServerAndStartScript.

private void createGatewayServerAndStartScript() throws UnknownHostException {
    createPythonScript();
    if (System.getenv("ZEPPELIN_HOME") != null) {
        py4jLibPath = System.getenv("ZEPPELIN_HOME") + File.separator + ZEPPELIN_PY4JPATH;
        pythonLibPath = System.getenv("ZEPPELIN_HOME") + File.separator + ZEPPELIN_PYTHON_LIBS;
    } else {
        Path workingPath = Paths.get("..").toAbsolutePath();
        py4jLibPath = workingPath + File.separator + ZEPPELIN_PY4JPATH;
        pythonLibPath = workingPath + File.separator + ZEPPELIN_PYTHON_LIBS;
    }
    port = findRandomOpenPortOnAllLocalInterfaces();
    gatewayServer = new GatewayServer(this, port, GatewayServer.DEFAULT_PYTHON_PORT, InetAddress.getByName("0.0.0.0"), InetAddress.getByName("0.0.0.0"), GatewayServer.DEFAULT_CONNECT_TIMEOUT, GatewayServer.DEFAULT_READ_TIMEOUT, (List) null);
    gatewayServer.start();
    // Run python shell
    String pythonCmd = getPythonCommand();
    CommandLine cmd = CommandLine.parse(pythonCmd);
    if (!pythonCmd.endsWith(".py")) {
        // PythonDockerInterpreter set pythoncmd with script
        cmd.addArgument(getScriptPath(), false);
    }
    cmd.addArgument(Integer.toString(port), false);
    cmd.addArgument(getLocalIp(), false);
    executor = new DefaultExecutor();
    outputStream = new InterpreterOutputStream(logger);
    PipedOutputStream ps = new PipedOutputStream();
    in = null;
    try {
        in = new PipedInputStream(ps);
    } catch (IOException e1) {
        throw new InterpreterException(e1);
    }
    ins = new BufferedWriter(new OutputStreamWriter(ps));
    input = new ByteArrayOutputStream();
    PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream, outputStream, in);
    executor.setStreamHandler(streamHandler);
    executor.setWatchdog(new ExecuteWatchdog(ExecuteWatchdog.INFINITE_TIMEOUT));
    try {
        Map env = EnvironmentUtils.getProcEnvironment();
        if (!env.containsKey("PYTHONPATH")) {
            env.put("PYTHONPATH", py4jLibPath + File.pathSeparator + pythonLibPath);
        } else {
            env.put("PYTHONPATH", env.get("PYTHONPATH") + File.pathSeparator + py4jLibPath + File.pathSeparator + pythonLibPath);
        }
        logger.info("cmd = {}", cmd.toString());
        executor.execute(cmd, env, this);
        pythonscriptRunning = true;
    } catch (IOException e) {
        throw new InterpreterException(e);
    }
    try {
        input.write("import sys, getopt\n".getBytes());
        ins.flush();
    } catch (IOException e) {
        throw new InterpreterException(e);
    }
}

Example 10 with ExecuteWatchdog

use of org.apache.commons.exec.ExecuteWatchdog in project frontend-maven-plugin by eirslett.

the class ProcessExecutor method createExecutor.

private Executor createExecutor(File workingDirectory, long timeoutInSeconds) {
    DefaultExecutor executor = new DefaultExecutor();
    executor.setWorkingDirectory(workingDirectory);
    // Fixes #41
    executor.setProcessDestroyer(new ShutdownHookProcessDestroyer());
    if (timeoutInSeconds > 0) {
        executor.setWatchdog(new ExecuteWatchdog(timeoutInSeconds * 1000));
    }
    return executor;
}