Example usage for java.lang Exception getCause

Introduction

In this page you can find the example usage for java.lang Exception getCause.

Prototype

public synchronized Throwable getCause()

Source Link

Document

Returns the cause of this throwable or null if the cause is nonexistent or unknown.

Usage

From source file:com.streamsets.pipeline.stage.destination.mqtt.MqttClientTarget.java

private static StageException throwStageException(Exception e) {
    if (e instanceof RuntimeException) {
        Throwable cause = e.getCause();
        if (cause != null) {
            return new StageException(Errors.MQTT_01, cause, cause);
        }/*  w  ww  . j  a va2 s .c  o m*/
    } else if (e instanceof StageException) {
        return (StageException) e;
    }
    return new StageException(Errors.MQTT_01, e, e);
}

From source file:io.cloudslang.content.database.utils.SQLUtils.java

public static void loadClassForName(@NotNull final String className) {
    try {/*  w  w w  .j  a  v a  2 s  . c o m*/
        Class.forName(className);
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage(), e.getCause());
    }
}

From source file:com.pinterest.pinlater.backends.mysql.MySQLBackendUtils.java

public static boolean isDeadlockException(Exception e) {
    return e instanceof MySQLTransactionRollbackException
            || (e instanceof BatchUpdateException && e.getCause() instanceof MySQLTransactionRollbackException);
}

From source file:io.cloudslang.content.database.utils.SQLInputsUtils.java

@NotNull
public static SqlDatabase getDbClassForType(@NotNull final String dbType) {
    try {/*w w  w.j a  va  2 s. co  m*/
        return dbTypesClass.get(dbType).newInstance();
    } catch (Exception e) {
        throw new RuntimeException(INVALID_DB_TYPE, e.getCause());
    }
}

From source file:com.streamsets.pipeline.stage.destination.hbase.HBaseTarget.java

private static StageException throwStageException(Exception e) {
    if (e instanceof RuntimeException) {
        Throwable cause = e.getCause();
        if (cause != null) {
            return new StageException(Errors.HBASE_26, cause, cause);
        }/*w  ww.j ava2 s  . co m*/
    }
    return new StageException(Errors.HBASE_26, e, e);
}

From source file:eu.delving.sip.Harvester.java

static String exceptionToErrorString(Exception exception) {
    StringBuilder out = new StringBuilder();
    out.append(exception.getMessage());// ww w . j  av  a 2s . c  o m
    Throwable cause = exception.getCause();
    while (cause != null) {
        out.append('\n');
        out.append(cause.toString());
        cause = cause.getCause();
    }
    return out.toString();
}

From source file:msi.gama.util.file.GamaFileMetaData.java

public static <T extends IGamaFileMetaData> T from(final String s, final long stamp, final Class<T> clazz,
        final boolean includeOutdated) {
    T result = null;//from ww w.  ja  v  a  2  s.  c om
    try {
        final Constructor<T> c = clazz.getDeclaredConstructor(String.class);
        result = c.newInstance(s);
        final boolean hasFailed = result.hasFailed();
        if (!hasFailed && !includeOutdated && result.getModificationStamp() != stamp) {
            return null;
        }
    } catch (final Exception ignore) {
        DEBUG.ERR("Error loading metadata " + s + " : " + ignore.getClass().getSimpleName() + ":"
                + ignore.getMessage());
        if (ignore instanceof InvocationTargetException && ignore.getCause() != null) {
            ignore.getCause().printStackTrace();
        }
    }
    return result;
}

From source file:es.eucm.rage.realtime.TracesAreBubbledUpwardsTheTreeToParent_And_LeafAnalysis_GLPTopologyKafkaElasticTest.java

static void runProducer(final Map trace) {

    try {//from   ww  w  .ja v a 2 s .  c o  m
        String msg = gson.toJson(trace, Map.class);
        String index = "test";
        final ProducerRecord<String, String> record = new ProducerRecord<>(TOPIC, index, msg);

        producer.send(record).get();

    } catch (Exception e) {
        assertTrue("Error sending to Kafka " + e.getMessage() + " cause " + e.getCause(), false);
    } finally {
        producer.flush();
    }
}

From source file:com.github.mavogel.ilias.printer.VelocityOutputPrinter.java

/**
 * Prints the header, content and output to the given print stream with the default template from the classpath.
 *
 * @param outputType the desired output type. @see {@link OutputType}
 * @param contextMap the context for velocity
 * @throws Exception in case of a error, so the caller can handle it
 *//*from w ww .  j av a  2s . c o  m*/
private static void printWithDefaultTemplate(final OutputType outputType, final Map<String, Object> contextMap)
        throws Exception {
    VelocityEngine ve = new VelocityEngine();
    ve.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
    ve.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
    ve.init();

    Writer writer = null;
    final String templateName = outputType.getDefaultTemplateLocation();
    try {
        VelocityContext context = new VelocityContext();
        contextMap.forEach((k, v) -> context.put(k, v));
        Template template = ve.getTemplate(templateName, "UTF-8");
        writer = new BufferedWriter(createFileWriter(outputType, templateName));

        template.merge(context, writer);
        writer.flush();
    } catch (ResourceNotFoundException rnfe) {
        LOG.error("Couldn't find the template with name '" + templateName + "'");
        throw new Exception(rnfe.getMessage());
    } catch (ParseErrorException pee) {
        LOG.error("Syntax error: problem parsing the template ' " + templateName + "': " + pee.getMessage());
        throw new Exception(pee.getMessage());
    } catch (MethodInvocationException mie) {
        LOG.error(
                "An invoked method on the template '" + templateName + "' threw an error: " + mie.getMessage());
        throw new Exception(mie.getMessage());
    } catch (Exception e) {
        LOG.error("Error: " + e.getMessage());
        LOG.error("Cause: " + e.getCause());
        Arrays.stream(e.getStackTrace()).forEach(LOG::error);
        throw e;
    } finally {
        if (writer != null)
            writer.close();
    }
}

From source file:com.pinterest.pinlater.backends.mysql.MySQLBackendUtils.java

/**
 * Indicates whether an exception is a symptom of MySQL being overloaded or slow.
 * Typical symptoms are connection pool exhaustion or MySQL connection/socket timeouts.
 *//*from   w  w w .  ja  v a2s  .  com*/
public static boolean isExceptionIndicativeOfOverload(Exception e) {
    return e instanceof MySQLNonTransientConnectionException || e instanceof CommunicationsException
            || (e instanceof SQLNestedException && e.getCause() instanceof NoSuchElementException);
}