Example usage for java.lang Process getErrorStream

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.github.horrorho.inflatabledonkey.util.ProcessManager.java

void error(Process process) throws IOException {
    try (BufferedReader br = new BufferedReader(
            new InputStreamReader(process.getErrorStream(), StandardCharsets.UTF_8))) {

        String error = br.lines().collect(Collectors.joining("\n"));
        if (!error.isEmpty()) {
            logger.warn("-- error() - error: {}", error);
        }/*from   w  w w  .j  ava2  s . co  m*/
    }
}

From source file:com.github.sakserv.minicluster.yarn.util.ExecShellCliParser.java

public int runCommand() throws Exception {
    String command = getCommand();
    String stdoutFile = getStdoutPath();
    String stderrFile = getStderrPath();

    Process p = Runtime.getRuntime().exec(command.split(" "));

    String stdout = getOutput(p.getInputStream());
    String stderr = getOutput(p.getErrorStream());

    writeOutputToFile(stdout, new File(stdoutFile));
    writeOutputToFile(stderr, new File(stderrFile));

    p.waitFor();// w w  w. j  av a  2 s . c om
    return p.exitValue();
}

From source file:com.thoughtworks.go.util.ProcessWrapperTest.java

private Process getMockedProcess(OutputStream outputStream) {
    Process process = mock(Process.class);
    when(process.getErrorStream()).thenReturn(mock(InputStream.class));
    when(process.getInputStream()).thenReturn(mock(InputStream.class));
    when(process.getOutputStream()).thenReturn(outputStream);
    return process;
}

From source file:com.thoughtworks.go.server.database.Migrate.java

private int exec(String[] command) {
    try {// w ww .  ja  v a  2  s.c  o m
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("About to execute commands:");
            for (String c : command) {
                LOGGER.debug(c);
            }
        }
        Process p = Runtime.getRuntime().exec(command);
        copyInThread(p.getInputStream(), quiet ? null : sysOut);
        copyInThread(p.getErrorStream(), quiet ? null : sysOut);
        p.waitFor();
        return p.exitValue();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.yahoo.rdl.maven.ProcessRunner.java

public String run(List<String> command, ProcessBuilder processBuilder) throws IOException {
    Process process = processBuilder.start();
    try (StreamConsumer stdout = new StreamConsumer(process.getInputStream()).start()) {
        try (StreamConsumer stderr = new StreamConsumer(process.getErrorStream()).start()) {
            if (!process.waitFor(10, TimeUnit.SECONDS)) {
                throw new IOException("Process took longer than 10 seconds to execute: " + command);
            }/*from   w  w  w.j a v a  2 s .  c  om*/
            if (process.exitValue() != 0) {
                String s = stderr.getContents();
                throw new IOException("command '" + StringUtils.join(command, " ") + "' produced error: " + s);
            }
        }
        return stdout.getContents();
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }

}

From source file:io.cloudslang.content.utilities.util.ProcessExecutor.java

private void stopProcess(Process process, Future<ProcessResponseEntity> futureResult) {
    futureResult.cancel(true);// w w  w . java2  s  . c  om
    process.destroy();

    closeQuietly(process.getInputStream());
    closeQuietly(process.getErrorStream());
}

From source file:com.emc.ecs.sync.filter.ShellCommandFilter.java

@Override
public void filter(SyncObject obj) {
    getNext().filter(obj);// w ww  .j  a v a2  s .c om

    String[] cmdLine = new String[] { command, obj.getSourceIdentifier(), obj.getTargetIdentifier() };
    try {
        Process p = Runtime.getRuntime().exec(cmdLine);

        InputStream stdout = p.getInputStream();
        InputStream stderr = p.getErrorStream();
        while (true) {
            try {
                int exitCode = p.exitValue();
                if (exitCode != 0) {
                    throw new RuntimeException(
                            "Command: " + Arrays.asList(cmdLine) + "exited with code " + exitCode);
                } else {
                    return;
                }
            } catch (IllegalThreadStateException e) {
                // ignore; process running
            }

            // Drain stdout and stderr.  Many processes will hang if you
            // dont do this.
            drain(stdout, System.out);
            drain(stderr, System.err);
        }
    } catch (IOException e) {
        throw new RuntimeException("Error executing command: " + Arrays.asList(cmdLine) + ": " + e.getMessage(),
                e);
    }
}

From source file:de.tarent.maven.plugins.pkg.Utils.java

/**
 * This method can be used to debug the output of processes.
 * //from   w ww .j  a v a2 s.  com
 * @param p
 */
public static void print(Process p) {
    BufferedReader br = new BufferedReader(new InputStreamReader(p.getErrorStream()));

    try {
        while (br.ready()) {
            System.err.println("*** Process output ***");
            System.err.println(br.readLine());
            System.err.println("**********************");
        }
    } catch (IOException ioe) {
        // foo
    }

}

From source file:ca.canucksoftware.systoolsmgr.CommandLine.java

public boolean doCmd() {
    try {/*  w  w w .j ava2 s  .co  m*/
        response = null;
        ProcessBuilder pb = new ProcessBuilder(command);
        pb.redirectErrorStream(false);
        Process p = pb.start();
        String stdout = getTextFromStream(p.getInputStream());
        String stderr = getTextFromStream(p.getErrorStream());
        if (p.waitFor() != 0) {
            returnCode = p.exitValue();
        } else {
            returnCode = 0;
        }
        if (returnCode == 0) {
            response = stdout;
        } else {
            response = stderr;
        }
    } catch (Exception e) {
        response = e.getMessage();
        returnCode = -1;
    }
    return (returnCode == 0);
}

From source file:gsu.ugahacksproject.tagg.java

public String predict(String filePath) {
    String output = null;// ww w  .ja va  2s.  c o  m
    String state = null;
    try {
        //            System.out.println(fileContent);
        // Runtime rt = Runtime.getRuntime();
        Process p = Runtime.getRuntime().exec("python " + commandPath + "/predict.py " + filePath);
        BufferedReader error = new BufferedReader(new InputStreamReader(p.getErrorStream()));
        String line = null;
        while ((line = error.readLine()) != null) {
            System.out.println("Python error: " + line);
        }

        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        //p.waitFor();
        //InputStream stderr = p.getInputStream();
        //InputStreamReader in = new InputStreamReader(stderr);
        //BufferedReader reader = new BufferedReader(in);
        line = null;
        while ((line = in.readLine()) != null) {
            if (output == null)
                output = line;
            else
                output += line;
        }
        int exitVal = p.waitFor();

        JSONObject jsonObj = new JSONObject(output);
        state = jsonObj.getString("state");
    } catch (Exception e) {
        e.printStackTrace();
    }

    return state;
}