Example usage for java.lang Process getErrorStream

List of usage examples for java.lang Process getErrorStream

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Introduction

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

Prototype

public abstract InputStream getErrorStream();

Source Link

Document

Returns the input stream connected to the error output of the process.

Usage

From source file:com.sap.prd.mobile.ios.mios.PListAccessor.java

public String printValue(String key) throws IOException {

    try {// w w w. j  a  v a2 s.  co  m
        String command = "/usr/libexec/PlistBuddy -c \"Print :" + key + "\" \"" + plist.getAbsolutePath()
                + "\"";
        System.out.println("[INFO] PlistBuddy Add command is: '" + command + "'.");
        String[] args = new String[] { "bash", "-c", command };

        Process p = Runtime.getRuntime().exec(args);

        InputStream is = p.getInputStream();
        p.waitFor();
        int exitValue = p.exitValue();

        if (exitValue != 0) {
            String errorMessage = "n/a";
            try {
                errorMessage = new Scanner(p.getErrorStream(), Charset.defaultCharset().name())
                        .useDelimiter("\\Z").next();
            } catch (Exception ex) {
                System.out.println("[ERROR] Exception caught during retrieving error message of command '"
                        + command + "': " + ex);
            }
            throw new IllegalStateException("Execution of \"" + StringUtils.join(args, " ")
                    + "\" command failed: " + errorMessage + ". Exit code was: " + exitValue);
        }

        byte[] buff = new byte[64];
        StringBuilder sb = new StringBuilder();
        for (int i = 0; (i = is.read(buff)) != -1;) {
            sb.append(new String(buff, 0, i, Charset.defaultCharset().name()));
        }
        BufferedReader reader = new BufferedReader(new StringReader(sb.toString()));

        try {
            return reader.readLine();
        } finally {
            IOUtils.closeQuietly(reader);
        }
    }

    catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.hi.datacleaner.ExternalCommandTransformer.java

private String[] getResult(List<String> commandTokens) throws IOException, InterruptedException {
    Process process = new ProcessBuilder(commandTokens).start();

    if (!process.waitFor(_timeout, TimeUnit.MILLISECONDS)) {
        process.destroy();//  ww  w .  j av  a2 s. com
        throw new InterruptedException(
                "Process has been interrupted because of timeout (" + _timeout + "ms). ");
    }

    BufferedReader stdin = new BufferedReader(new InputStreamReader(process.getInputStream()));
    BufferedReader stderr = new BufferedReader(new InputStreamReader(process.getErrorStream()));

    StringBuilder result = new StringBuilder();
    String line;
    int linesCount = 0;

    while ((line = stdin.readLine()) != null) {
        linesCount++;
        result.append(line).append(_separator);
    }

    if (linesCount == 0) {
        result.append(ERROR);

        while ((line = stderr.readLine()) != null) {
            result.append(line).append(_separator);
        }
    }

    return new String[] { result.toString() };
}

From source file:com.redhat.jenkins.plugins.ci.integration.FedMsgMessagingPluginIntegrationTest.java

private Process logProcessBuilderIssues(ProcessBuilder pb, String commandName)
        throws InterruptedException, IOException {
    String dir = "";
    if (pb.directory() != null) {
        dir = pb.directory().getAbsolutePath();
    }//from   w ww . jav  a 2s . com
    System.out.println("Running : " + pb.command() + " => directory: " + dir);
    Process processToRun = pb.start();
    int result = processToRun.waitFor();
    if (result != 0) {
        StringWriter writer = new StringWriter();
        IOUtils.copy(processToRun.getErrorStream(), writer);
        System.out.println("Issue occurred during command \"" + commandName + "\":\n" + writer.toString());
        writer.close();
    }
    return processToRun;
}

From source file:com.googlecode.jmxtrans.model.output.RRDToolWriter.java

/**
 * Check to see if there was an error processing an rrdtool command
 *//*w w  w .  ja  va  2 s .c o  m*/
private void checkErrorStream(Process process) throws Exception {
    // rrdtool should use platform encoding (unless you did something
    // very strange with your installation of rrdtool). So let's be
    // explicit and use the presumed correct encoding to read errors.
    try (InputStream is = process.getErrorStream();
            InputStreamReader isr = new InputStreamReader(is, Charset.defaultCharset());
            BufferedReader br = new BufferedReader(isr)) {
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line);
        }
        if (sb.length() > 0) {
            throw new RuntimeException(sb.toString());
        }
    }
}

From source file:com.openshift.internal.restclient.capability.resources.OpenShiftBinaryRSync.java

private void waitForExit(String source, String destination, Process process) {
    try {//from w w  w .ja v a  2  s.c om
        if (process == null) {
            throw new OpenShiftException("Could not sync %s to %s, no process was launched.", destination);
        }
        if (!process.waitFor(WAIT_FOR_EXIT_TIMEOUT, TimeUnit.MINUTES)) {
            throw new OpenShiftException("Syncing %s to %s did not terminate within %d minutes.", source,
                    destination, WAIT_FOR_EXIT_TIMEOUT);
        }

        if (process.exitValue() != 0) {
            String errorMessage = getErrorMessage(process.getErrorStream());
            throw new OpenShiftException(
                    "Syncing %s to %s failed" + (StringUtil.isBlank(errorMessage) ? "" : ":%s"), source,
                    destination, errorMessage);
        }
    } catch (InterruptedException e) {
        throw new OpenShiftException(e, "Syncing %s to %s was interrupted.", source, destination);
    }
}

From source file:iDynoOptimizer.MOEAFramework26.src.org.moeaframework.algorithm.pisa.PISAAlgorithm.java

@Override
public void initialize() {
    super.initialize();

    try {//from   w w  w  . jav a  2 s .com
        configure();
        state.set(0);
        state0();
        state.set(1);

        Process process = selector.start();
        RedirectStream.redirect(process.getInputStream(), System.out);
        RedirectStream.redirect(process.getErrorStream(), System.err);
    } catch (Exception e) {
        throw new AlgorithmException(this, e);
    }
}

From source file:com.datatorrent.stram.StramLocalClusterTest.java

private String generatejar(String pojoClassName) throws IOException, InterruptedException {
    String sourceDir = "src/test/resources/dynamicJar/";
    String destDir = testMeta.getPath();

    // The compiled java class should be loadable by the current java runtime hence setting the compile target version
    // to be the same
    String binLocation = getJavaBinLocation();

    Process p = Runtime.getRuntime().exec(
            new String[] { binLocation + "javac", "-d", destDir, sourceDir + pojoClassName + ".java" }, null,
            null);//ww  w.  ja v a 2s .c o  m
    IOUtils.copy(p.getInputStream(), System.out);
    IOUtils.copy(p.getErrorStream(), System.err);
    Assert.assertEquals(0, p.waitFor());

    p = Runtime.getRuntime().exec(
            new String[] { binLocation + "jar", "-cf", pojoClassName + ".jar", pojoClassName + ".class" }, null,
            new File(destDir));
    IOUtils.copy(p.getInputStream(), System.out);
    IOUtils.copy(p.getErrorStream(), System.err);
    Assert.assertEquals(0, p.waitFor());

    return new File(destDir, pojoClassName + ".jar").getAbsolutePath();
}

From source file:de.mpg.escidoc.services.extraction.ExtractionChain.java

public ExtractionResult doExtract(String infileName, String outfileName) {
    File outfile = new File(outfileName);

    Date stepStart = new Date();
    Date current;//from   w w w  .  ja v  a  2  s  .  co  m

    logger.info("Extracting PDF content ----------------------------------------");
    logger.info("Infile: " + infileName);
    logger.info("Outfile: " + outfileName);

    logger.info(stepStart + " -- started");

    // xPDF

    try {
        logger.info("Extracting with xPDF");

        StringBuffer command = new StringBuffer(2048);
        command.append(System.getProperty("os.name").contains("Windows") ? pdftotext + " -enc UTF-8 "
                : "/usr/bin/pdftotext -enc UTF-8 ");
        command.append(infileName);
        command.append(" ");
        command.append(outfileName);

        Process proc = Runtime.getRuntime().exec(command.toString());

        StreamGobbler inputGobbler = new StreamGobbler(proc.getInputStream(), "xPDF");
        StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "xPDF");

        inputGobbler.start();
        errorGobbler.start();

        int exitCode = proc.waitFor();

        if (proc.exitValue() == 0) {

            if (verbose) {
                BufferedReader bufferedReader = new BufferedReader(
                        new InputStreamReader(new FileInputStream(outfile), "UTF-8"));
                String line;
                while ((line = bufferedReader.readLine()) != null) {
                    logger.info(line);
                }
                bufferedReader.close();
            }
            current = new Date();
            logger.info(current + " -- finished successfully");
            logger.info("Extraction took " + (current.getTime() - stepStart.getTime()));

            return ExtractionResult.OK;
        }
    } catch (Exception e) {
        logger.warn("Error extracting PDF with xPDF:");
        logger.warn(e.getStackTrace());
    }

    current = new Date();
    logger.info(current + " -- finished unsuccessfully");
    logger.info("Extraction attempt took " + (current.getTime() - stepStart.getTime()));

    // PDFBox
    try {
        logger.info("Extracting with PDFBox");
        stepStart = new Date();

        StringBuffer command = new StringBuffer(1024);
        command.append(System.getProperty("os.name").contains("Windows")
                ? "java -Dfile.encoding=UTF-8 -jar " + pdfboxAppJar + " ExtractText "
                : "/usr/bin/java -Dfile.encoding=UTF-8 -jar " + pdfboxAppJar + " ExtractText ");
        command.append(infileName);
        command.append(" ");
        command.append(outfileName);

        Process proc = Runtime.getRuntime().exec(command.toString());
        StreamGobbler inputGobbler = new StreamGobbler(proc.getInputStream(), "PDFBox");
        StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "PDFBox");

        inputGobbler.start();
        errorGobbler.start();

        int exitCode = proc.waitFor();

        if (exitCode == 0) {

            if (verbose) {
                BufferedReader bufferedReader = new BufferedReader(
                        new InputStreamReader(new FileInputStream(outfile), "UTF-8"));
                String line;
                while ((line = bufferedReader.readLine()) != null) {
                    logger.info(line);
                }
                bufferedReader.close();
            }
            current = new Date();
            logger.info(current + " -- finished successfully");
            logger.info("Extraction took " + (current.getTime() - stepStart.getTime()));

            return ExtractionResult.OK;
        }
    } catch (Exception e) {
        logger.warn("Error extracting PDF with PDFBox:");
        logger.warn(e.getStackTrace());
    }

    current = new Date();
    logger.info(current + " -- finished unsuccessfully");
    logger.info("Extraction attempt took " + (current.getTime() - stepStart.getTime()));

    // iText
    try {
        logger.info("Extracting with iText");
        stepStart = new Date();

        PdfReader reader = new PdfReader(infileName);
        int numberOfPages = reader.getNumberOfPages();

        outputStreamWriter = new OutputStreamWriter(new FileOutputStream(outfile), "UTF-8");
        for (int i = 0; i < numberOfPages; i++) {
            outputStreamWriter.write(PdfTextExtractor.getTextFromPage(reader, i + 1));
        }

        if (verbose) {
            BufferedReader bufferedReader = new BufferedReader(
                    new InputStreamReader(new FileInputStream(outfile), "UTF-8"));
            String line;
            while ((line = bufferedReader.readLine()) != null) {
                logger.info(line);
            }
            bufferedReader.close();
        }

        current = new Date();
        logger.info(current + " -- finished successfully");
        logger.info("Extraction took " + (current.getTime() - stepStart.getTime()));

        return ExtractionResult.OK;

    } catch (Exception e) {
        logger.warn("Error extracting PDF with iText:", e);
    }

    // tika

    InputStream stream = null;

    try {
        logger.info("Extracting with Tika");
        stepStart = new Date();

        stream = TikaInputStream.get(new File(infileName));

        ContentHandler handler = new BodyContentHandler(TIKA_CONTENT_SIZE);

        new AutoDetectParser().parse(stream, handler, new Metadata(), new ParseContext());

        String content = handler.toString();

        FileUtils.writeStringToFile(outfile, content);

        stream.close();

        if (verbose) {
            BufferedReader bufferedReader = new BufferedReader(
                    new InputStreamReader(new FileInputStream(outfile), "UTF-8"));
            String line;
            while ((line = bufferedReader.readLine()) != null) {
                logger.info(line);
            }
            bufferedReader.close();
        }

        current = new Date();
        logger.info(current + " -- finished successfully");
        logger.info("Extraction took " + (current.getTime() - stepStart.getTime()));

        return ExtractionResult.OK;

    } catch (Exception e) {
        logger.warn("Error extracting Tika:", e);
        try {
            stream.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }

    current = new Date();
    logger.warn(current + " -- finished unsuccessfully");
    logger.info("Extraction attempt took " + (current.getTime() - stepStart.getTime()));

    logger.info("... giving up");

    return ExtractionResult.FAILURE;
}

From source file:net.sf.mavenjython.test.PythonTestMojo.java

public void execute() throws MojoExecutionException {
    // all we have to do is to run nose on the source directory
    List<String> l = new ArrayList<String>();
    if (program.equals("nose")) {
        l.add("nosetests.bat");
        l.add("--failure-detail");
        l.add("--verbose");
    } else {// w  w w  . j  av a  2s .c  om
        l.add(program);
    }

    ProcessBuilder pb = new ProcessBuilder(l);
    pb.directory(testOutputDirectory);
    pb.environment().put("JYTHONPATH", ".;" + outputDirectory.getAbsolutePath());
    final Process p;
    getLog().info("starting python tests");
    getLog().info("executing " + pb.command());
    getLog().info("in directory " + testOutputDirectory);
    getLog().info("and also including " + outputDirectory);
    try {
        p = pb.start();
    } catch (IOException e) {
        throw new MojoExecutionException(
                "Python tests execution failed. Provide the executable '" + program + "' in the path", e);
    }
    copyIO(p.getInputStream(), System.out);
    copyIO(p.getErrorStream(), System.err);
    copyIO(System.in, p.getOutputStream());
    try {
        if (p.waitFor() != 0) {
            throw new MojoExecutionException("Python tests failed with return code: " + p.exitValue());
        } else {
            getLog().info("Python tests (" + program + ") succeeded.");
        }
    } catch (InterruptedException e) {
        throw new MojoExecutionException("Python tests were interrupted", e);
    }
}

From source file:com.sssemil.advancedsettings.MainService.java

@Override
public void onDisplayChanged(int displayId) {
    try {/*from  ww  w .  j a v a2 s.  com*/
        mDisplayManager = (DisplayManager) getSystemService(Context.DISPLAY_SERVICE);
        mDisplayManager.registerDisplayListener(MainService.this, null);
        switch (mDisplayManager.getDisplay(displayId).getState()) {
        case Display.STATE_DOZE_SUSPEND:
        case Display.STATE_DOZE:
            try {
                //TODO: Need to fix screen_saver_brightness_settings. SELinux problems?
                Thread.sleep(3);
                int brightness = Integer
                        .parseInt(mSharedPreferences.getString("screen_saver_brightness_settings",
                                String.valueOf(Utils.getDeviceCfg(MainService.this).brightnessDefault)));
                boolean do_brightness = mSharedPreferences.getBoolean("manage_screen_saver_brightness_settings",
                        false);

                if (do_brightness) {
                    Log.i(TAG, "echo \"" + brightness + "\" > "
                            + Utils.getDeviceCfg(MainService.this).brightnessPath);

                    Runtime rt = Runtime.getRuntime();
                    String[] commands = { "su", "-c", "echo \"" + brightness + "\" > "
                            + Utils.getDeviceCfg(MainService.this).brightnessPath };
                    Process proc = rt.exec(commands);

                    BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream()));

                    BufferedReader stdError = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

                    String s;
                    while ((s = stdInput.readLine()) != null) {
                        System.out.println(s);
                    }
                    while ((s = stdError.readLine()) != null) {
                        System.out.println(s);
                    }
                }
            } catch (IOException | InterruptedException e) {
                if (BuildConfig.DEBUG) {
                    Log.d(TAG, "catch " + e.toString() + " hit in run", e);
                }
            }

            /*PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
            PowerManager.WakeLock wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
                    "WakeLock");
            wakeLock.acquire();*/
            break;
        default:
            break;
        }
    } catch (NullPointerException e) {
        e.printStackTrace();
    }
}