Examples with StringWriter java.io.StringWriter used on opensource projects

Example 31 with StringWriter

use of java.io.StringWriter in project groovy by apache.

the class MultipleCompilationErrorsException method getMessage.

public String getMessage() {
    StringWriter data = new StringWriter();
    PrintWriter writer = new PrintWriter(data);
    Janitor janitor = new Janitor();
    writer.write(super.getMessage());
    writer.println(":");
    try {
        collector.write(writer, janitor);
    } finally {
        janitor.cleanup();
    }
    return data.toString();
}

Example 32 with StringWriter

use of java.io.StringWriter in project groovy by apache.

the class Groovyc method runCompiler.

private void runCompiler(String[] commandLine) {
    // hand crank it so we can add our own compiler configuration
    try {
        Options options = FileSystemCompiler.createCompilationOptions();
        CommandLineParser cliParser = new DefaultParser();
        CommandLine cli;
        cli = cliParser.parse(options, commandLine);
        configuration = FileSystemCompiler.generateCompilerConfigurationFromOptions(cli);
        configuration.setScriptExtensions(getScriptExtensions());
        String tmpExtension = getScriptExtension();
        if (tmpExtension.startsWith("*."))
            tmpExtension = tmpExtension.substring(1);
        configuration.setDefaultScriptExtension(tmpExtension);
        // Load the file name list
        String[] filenames = FileSystemCompiler.generateFileNamesFromOptions(cli);
        boolean fileNameErrors = filenames == null;
        fileNameErrors = fileNameErrors || !FileSystemCompiler.validateFiles(filenames);
        if (targetBytecode != null) {
            configuration.setTargetBytecode(targetBytecode);
        }
        if (!fileNameErrors) {
            FileSystemCompiler.doCompilation(configuration, makeCompileUnit(), filenames, forceLookupUnnamedFiles);
        }
    } catch (Exception re) {
        Throwable t = re;
        if ((re.getClass() == RuntimeException.class) && (re.getCause() != null)) {
            // unwrap to the real exception
            t = re.getCause();
        }
        StringWriter writer = new StringWriter();
        new ErrorReporter(t, false).write(new PrintWriter(writer));
        String message = writer.toString();
        taskSuccess = false;
        if (errorProperty != null) {
            getProject().setNewProperty(errorProperty, "true");
        }
        if (failOnError) {
            log.error(message);
            throw new BuildException("Compilation Failed", t, getLocation());
        } else {
            log.error(message);
        }
    }
}

Example 33 with StringWriter

use of java.io.StringWriter in project groovy by apache.

the class Groovy method processError.

private void processError(Exception e) {
    StringWriter writer = new StringWriter();
    new ErrorReporter(e, false).write(new PrintWriter(writer));
    String message = writer.toString();
    throw new BuildException("Script Failed: " + message, e, getLocation());
}

Example 34 with StringWriter

use of java.io.StringWriter in project flink by apache.

the class TaskManagerProcessReapingTestBase method testReapProcessOnFailure.

@Test
public void testReapProcessOnFailure() {
    Process taskManagerProcess = null;
    ActorSystem jmActorSystem = null;
    final StringWriter processOutput = new StringWriter();
    try {
        String javaCommand = getJavaCommandPath();
        // is available on this machine
        if (javaCommand == null) {
            System.out.println("---- Skipping TaskManagerProcessReapingTest : Could not find java executable ----");
            return;
        }
        // create a logging file for the process
        File tempLogFile = File.createTempFile("testlogconfig", "properties");
        tempLogFile.deleteOnExit();
        CommonTestUtils.printLog4jDebugConfig(tempLogFile);
        final int jobManagerPort = NetUtils.getAvailablePort();
        // start a JobManager
        Tuple2<String, Object> localAddress = new Tuple2<String, Object>("localhost", jobManagerPort);
        jmActorSystem = AkkaUtils.createActorSystem(new Configuration(), new Some<Tuple2<String, Object>>(localAddress));
        ActorRef jmActor = JobManager.startJobManagerActors(new Configuration(), jmActorSystem, TestingUtils.defaultExecutor(), TestingUtils.defaultExecutor(), JobManager.class, MemoryArchivist.class)._1;
        // start a ResourceManager
        StandaloneLeaderRetrievalService standaloneLeaderRetrievalService = new StandaloneLeaderRetrievalService(AkkaUtils.getAkkaURL(jmActorSystem, jmActor));
        FlinkResourceManager.startResourceManagerActors(new Configuration(), jmActorSystem, standaloneLeaderRetrievalService, StandaloneResourceManager.class);
        final int taskManagerPort = NetUtils.getAvailablePort();
        // start the task manager process
        String[] command = new String[] { javaCommand, "-Dlog.level=DEBUG", "-Dlog4j.configuration=file:" + tempLogFile.getAbsolutePath(), "-Xms256m", "-Xmx256m", "-classpath", getCurrentClasspath(), TaskManagerTestEntryPoint.class.getName(), String.valueOf(jobManagerPort), String.valueOf(taskManagerPort) };
        ProcessBuilder bld = new ProcessBuilder(command);
        taskManagerProcess = bld.start();
        new PipeForwarder(taskManagerProcess.getErrorStream(), processOutput);
        // grab the reference to the TaskManager. try multiple times, until the process
        // is started and the TaskManager is up
        String taskManagerActorName = String.format("akka.tcp://flink@%s/user/%s", "localhost:" + taskManagerPort, TaskManager.TASK_MANAGER_NAME());
        ActorRef taskManagerRef = null;
        Throwable lastError = null;
        for (int i = 0; i < 40; i++) {
            try {
                taskManagerRef = TaskManager.getTaskManagerRemoteReference(taskManagerActorName, jmActorSystem, new FiniteDuration(25, TimeUnit.SECONDS));
                break;
            } catch (Throwable t) {
                // TaskManager probably not ready yet
                lastError = t;
            }
            Thread.sleep(500);
        }
        assertTrue("TaskManager process died", isProcessAlive(taskManagerProcess));
        if (taskManagerRef == null) {
            if (lastError != null) {
                lastError.printStackTrace();
            }
            fail("TaskManager process did not launch the TaskManager properly. Failed to look up " + taskManagerActorName);
        }
        // kill the TaskManager actor
        onTaskManagerProcessRunning(taskManagerRef);
        // wait for max 5 seconds for the process to terminate
        {
            long now = System.currentTimeMillis();
            long deadline = now + 10000;
            while (now < deadline && isProcessAlive(taskManagerProcess)) {
                Thread.sleep(100);
                now = System.currentTimeMillis();
            }
        }
        assertFalse("TaskManager process did not terminate upon actor death", isProcessAlive(taskManagerProcess));
        int returnCode = taskManagerProcess.exitValue();
        assertEquals("TaskManager died, but not because of the process reaper", TaskManager.RUNTIME_FAILURE_RETURN_CODE(), returnCode);
        onTaskManagerProcessTerminated(processOutput.toString());
    } catch (Exception e) {
        e.printStackTrace();
        printProcessLog(processOutput.toString());
        fail(e.getMessage());
    } catch (Error e) {
        e.printStackTrace();
        printProcessLog(processOutput.toString());
        throw e;
    } finally {
        if (taskManagerProcess != null) {
            taskManagerProcess.destroy();
        }
        if (jmActorSystem != null) {
            jmActorSystem.shutdown();
        }
    }
}

Example 35 with StringWriter

use of java.io.StringWriter in project groovy by apache.

the class ClassCompletionVerifierTest method flattenErrorMessage.

private String flattenErrorMessage() {
    StringWriter stringWriter = new StringWriter();
    PrintWriter writer = new PrintWriter(stringWriter, true);
    for (int i = source.getErrorCollector().getErrorCount() - 1; i >= 0; i--) {
        source.getErrorCollector().getError(i).write(writer);
    }
    writer.close();
    return stringWriter.toString();
}