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:de.rinderle.softvis3d.layout.dot.ExecuteCommand.java

public String executeCommandReadErrorStream(final String command) throws DotExecutorException {
    final StringBuilder output = new StringBuilder();

    final Process p;
    try {//from   w ww.  j  a  v  a2  s .c o m
        p = Runtime.getRuntime().exec(command);

        final BufferedReader reader = new BufferedReader(new InputStreamReader(p.getErrorStream()));

        String line;
        while ((line = reader.readLine()) != null) {
            output.append(line);
            output.append("\n");
        }

        reader.close();
    } catch (final IOException e) {
        throw new DotExecutorException(e.getMessage(), e);
    }

    return output.toString();
}

From source file:CustomSubmitter.java

/**
 * Submits the specified PBS job to the PBS queue using the {@code qsub}
 * program./* w w w  .j av  a 2s  .co  m*/
 * 
 * @param job the PBS job to be submitted
 * @throws IOException if an error occurred while invoking {@code qsub}
 */
public void submit(PBSJob job) throws IOException {
    Process process = new ProcessBuilder("qsub").start();

    RedirectStream.redirect(process.getInputStream(), System.out);
    RedirectStream.redirect(process.getErrorStream(), System.err);

    String script = toPBSScript(job);
    System.out.println(script);

    PrintStream ps = new PrintStream(process.getOutputStream());
    ps.print(script);
    ps.close();

    try {
        int exitStatus = process.waitFor();

        if (exitStatus != 0) {
            throw new IOException("qsub terminated with exit status " + exitStatus);
        }
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
    }
}

From source file:it.polimi.modaclouds.qos.linebenchmark.solver.SolutionEvaluator.java

private void runWithLQNS() {
    StopWatch timer = new StopWatch();
    String solverProgram = "lqns";

    String command = solverProgram + " " + filePath + " -f"; //using the fast option
    logger.info("Launch: " + command);
    //String command = solverProgram+" "+filePath; //without using the fast option
    try {/*from  w w  w.ja  v  a  2 s .co m*/
        ProcessBuilder pb = new ProcessBuilder(splitToCommandArray(command));

        //start counting
        timer.start();
        Process proc = pb.start();
        readStream(proc.getInputStream(), false);
        readStream(proc.getErrorStream(), true);
        int exitVal = proc.waitFor();
        //stop counting
        timer.stop();
        proc.destroy();

        //evaluation error messages
        if (exitVal == LQNS_RETURN_SUCCESS)
            ;
        else if (exitVal == LQNS_RETURN_MODEL_FAILED_TO_CONVERGE) {
            System.err.println(Main.LQNS_SOLVER + " exited with " + exitVal
                    + ": The model failed to converge. Results are most likely inaccurate. ");
            System.err.println("Analysis Result has been written to: " + resultfilePath);
        } else {
            String message = "";
            if (exitVal == LQNS_RETURN_INVALID_INPUT) {
                message = solverProgram + " exited with " + exitVal + ": Invalid Input.";
            } else if (exitVal == LQNS_RETURN_FATAL_ERROR) {
                message = solverProgram + " exited with " + exitVal + ": Fatal error";
            } else {
                message = solverProgram + " returned an unrecognised exit value " + exitVal
                        + ". Key: 0 on success, 1 if the model failed to meet the convergence criteria, 2 if the input was invalid, 4 if a command line argument was incorrect, 8 for file read/write problems and -1 for fatal errors. If multiple input files are being processed, the exit code is the bit-wise OR of the above conditions.";
            }
            System.err.println(message);
        }
    } catch (IOException | InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    //tell listeners that the evaluation has been performed
    EvaluationCompletedEvent evaluationCompleted = new EvaluationCompletedEvent(this, 0, null);
    evaluationCompleted.setEvaluationTime(timer.getTime());
    evaluationCompleted.setSolverName(solver);
    evaluationCompleted.setModelPath(filePath.getFileName());
    for (ActionListener l : listeners)
        l.actionPerformed(evaluationCompleted);
}

From source file:com.torodb.integration.mongo.v3m0.jstests.AbstractIntegrationTest.java

protected ByteArrayOutputStream readOutput(int result, Process mongoProcess) throws IOException {
    InputStream inputStream = mongoProcess.getInputStream();
    InputStream erroStream = mongoProcess.getErrorStream();
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    if (result != 0) {
        int read;

        while ((read = inputStream.read()) != -1) {
            byteArrayOutputStream.write(read);
        }/* ww w.ja v  a 2s  .  co  m*/

        while ((read = erroStream.read()) != -1) {
            byteArrayOutputStream.write(read);
        }
    }
    return byteArrayOutputStream;
}

From source file:gsu.ugahacksproject.tagg.java

public void dispute(String filePath, String actualResult, String expectedResult) {
    try {/*from   w w w .  ja  va  2s.  c  o  m*/
        //            System.out.println(fileContent);
        // Runtime rt = Runtime.getRuntime();
        Process p = Runtime.getRuntime().exec("python " + commandPath + "/trainNew.py " + filePath + " "
                + actualResult + " bad " + expectedResult);
        BufferedReader error = new BufferedReader(new InputStreamReader(p.getErrorStream()));
        String line = null;
        while ((line = error.readLine()) != null) {
            System.out.println("Python error: " + line);
        }
        int exitVal = p.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.thoughtworks.go.task.rpmbuild.RPMBuildTask.java

@Override
public TaskExecutor executor() {
    return new TaskExecutor() {
        @Override//from  w w w  . j  av  a2  s . c o m
        public ExecutionResult execute(TaskConfig taskConfig, TaskExecutionContext taskExecutionContext) {
            String targetArch = taskConfig.getValue(TARGET_ARCH);
            String specFilePath = taskConfig.getValue(SPEC_FILE);
            List<String> command = Arrays.asList("rpmbuild", "--target", targetArch, "-bb", "-v", "--clean",
                    specFilePath);
            try {
                taskExecutionContext.console().printLine("[exec] " + StringUtils.join(command, " "));
                Process process = runProcess(taskExecutionContext, command);
                taskExecutionContext.console().readOutputOf(process.getInputStream());
                taskExecutionContext.console().readErrorOf(process.getErrorStream());
                try {
                    process.waitFor();
                } catch (InterruptedException e) {
                    // continue
                }
                int exitValue = process.exitValue();
                if (exitValue != 0) {
                    return ExecutionResult.failure("[exec] FAILED with return code " + exitValue);
                }
            } catch (IOException e) {
                return ExecutionResult.failure("[exec] Exception: " + e.getMessage(), e);
            }
            return ExecutionResult.success(
                    String.format("[exec] Successfully executed command [%s]", StringUtils.join(command, " ")));
        }
    };
}

From source file:functionalTests.annotations.AptTest.java

private Result runApt() throws CompilationExecutionException {
    try {/*from   www .  j ava 2 s. c om*/
        ProcessBuilder processBuilder = new ProcessBuilder(Arrays.asList(_aptCommand));
        Map<String, String> env = processBuilder.environment();
        env.put("CLASSPATH", _classpath);

        Process aptProcess = processBuilder.start();

        BufferedReader stderr = new BufferedReader(new InputStreamReader(aptProcess.getErrorStream()));
        //flushOutput(stderr);

        return getResults(stderr);
    } catch (IOException ioExcp) {
        String msg = "Cannot execute the command " + compressCommand(_aptCommand) + ".reason:"
                + ioExcp.getMessage();
        logger.error(msg, ioExcp);
        throw new CompilationExecutionException(msg, ioExcp);
    } catch (SecurityException secExcp) {
        String msg = "Cannot execute the command " + compressCommand(_aptCommand)
                + "; security access violation.";
        logger.error(msg, secExcp);
        throw new CompilationExecutionException(msg, secExcp);
    }
}

From source file:com.netxforge.oss2.core.utils.ProcessExec.java

/**
 * <p>exec</p>/* ww w  .j  av a2 s  .  co m*/
 *
 * @param cmd an array of {@link java.lang.String} objects.
 * @return a int.
 * @throws java.io.IOException if any.
 * @throws java.lang.InterruptedException if any.
 */
public int exec(String[] cmd) throws IOException, InterruptedException {
    Process p = Runtime.getRuntime().exec(cmd);

    p.getOutputStream().close();
    PrintInputStream out = new PrintInputStream(p.getInputStream(), m_out);
    PrintInputStream err = new PrintInputStream(p.getErrorStream(), m_err);

    Thread t1 = new Thread(out, this.getClass().getSimpleName() + "-stdout");
    Thread t2 = new Thread(err, this.getClass().getSimpleName() + "-stderr");
    t1.start();
    t2.start();

    int exitVal = p.waitFor();

    t1.join();
    t2.join();

    return exitVal;
}

From source file:net.sf.jabref.external.push.PushToVim.java

@Override
public void pushEntries(BibDatabase database, List<BibEntry> entries, String keys, MetaData metaData) {

    couldNotConnect = false;//from w w w.ja  v a  2 s  .c  o m
    couldNotCall = false;
    notDefined = false;

    initParameters();
    commandPath = Globals.prefs.get(commandPathPreferenceKey);

    if ((commandPath == null) || commandPath.trim().isEmpty()) {
        notDefined = true;
        return;
    }

    try {
        String[] com = new String[] { commandPath, "--servername",
                Globals.prefs.get(JabRefPreferences.VIM_SERVER), "--remote-send",
                "<C-\\><C-N>a" + getCiteCommand() + "{" + keys + "}" };

        final Process p = Runtime.getRuntime().exec(com);

        JabRefExecutorService.INSTANCE.executeAndWait(() -> {
            try (InputStream out = p.getErrorStream()) {
                int c;
                StringBuilder sb = new StringBuilder();
                try {
                    while ((c = out.read()) != -1) {
                        sb.append((char) c);
                    }
                } catch (IOException e) {
                    LOGGER.warn("Could not read from stderr.", e);
                }
                // Error stream has been closed. See if there were any errors:
                if (!sb.toString().trim().isEmpty()) {
                    LOGGER.warn("Push to Vim error: " + sb);
                    couldNotConnect = true;
                }
            } catch (IOException e) {
                LOGGER.warn("File problem.", e);
            }
        });
    } catch (IOException excep) {
        couldNotCall = true;
        LOGGER.warn("Problem pushing to Vim.", excep);
    }

}

From source file:de.fau.cs.osr.hddiff.perfsuite.RunXyDiff.java

private String runXyDiff(File fileA, File fileB, File fileDiff) throws Exception {
    ProcessBuilder pb = new ProcessBuilder(new String[] { xyDiffBin, "-o", fileDiff.getAbsolutePath(),
            fileA.getAbsolutePath(), fileB.getAbsolutePath() });

    try (StringWriter w = new StringWriter()) {
        Process p = pb.start();
        new ThreadedStreamReader(p.getErrorStream(), "ERROR", w);
        new ThreadedStreamReader(p.getInputStream(), "OUTPUT", w);

        try {//from  www.  j av a2s .c o m
            TimeoutProcess.waitFor(p, 2000);
        } catch (Exception e) {
            throw new XyDiffException(e);
        }

        if (p.exitValue() == 0)
            return w.toString();
        else
            throw new XyDiffException(w.toString());
    }
}