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:Main.java

/**
 * Validates a XPath expression./*from   w  w w  .  jav  a  2s.  c o m*/
 * @param xpathExpression the XPath expression to validate
 * @return null if the expression is correct, an error message otherwise
 */
public static String validateXPathExpression(String xpathExpression) {

    String msg = null;
    try {
        X_PATH.compile(xpathExpression);

    } catch (Exception e) {
        String cause = null;
        if (e.getCause() != null)
            e.getCause().getMessage();
        else
            cause = e.getMessage();

        cause = cause == null ? "" : " " + cause;
        msg = "Invalid XPath expression." + cause;
    }

    return msg;
}

From source file:beyondlambdas.slides.s8_1.Support.java

public static void trackError(final Exception e) {
    System.out.println("ERROR: Problem parsing user: " + e.getCause().getCause().getMessage());
}

From source file:myproject.Model.Common.ProcessExecutor.java

private static String properExecuteQuitely(File file, String... commands) {
    try {/*from  w  w w  .j  a  v a  2s .c om*/
        properExecute(file, commands);
    } catch (Exception ex) {
        ex.printStackTrace();
        Log.errorLog(ex, ex.getCause(), ProcessExecutor.class);
    }
    return null;
}

From source file:org.kegbot.app.setup.SetupFragment.java

protected static String toHumanError(Exception e) {
    StringBuilder builder = new StringBuilder();
    if (e.getCause() instanceof HttpHostConnectException) {
        builder.append("Could not connect to remote host.");
    } else if (e instanceof NotAuthorizedException) {
        builder.append("Username or password was incorrect.");
    } else if (e instanceof KegbotApiServerError) {
        builder.append("Bad response from server (");
        builder.append(e.toString());//from  ww w. j a  va2 s  .  co  m
        builder.append(")");
    } else if (e instanceof SocketException || e.getCause() instanceof SocketException) {
        builder.append("Server is down or unreachable.");
    } else {
        builder.append(e.getMessage());
    }
    return builder.toString();
}

From source file:com.github.weikengc.spring.jpdl.config.JpdlNamespaceHandlerTest.java

private static <T extends Exception> Matcher cause(Matcher<T> causeMatcher) {
    return new FeatureMatcher<Exception, T>(causeMatcher, "cause", "cause") {
        @Override// w ww  . j  a  va 2s.  c o m
        protected T featureValueOf(Exception ex) {
            return (T) ex.getCause();
        }
    };
}

From source file:org.jboss.aerogear.sync.jsonmergepatch.client.JsonMergePatchClientSynchronizer.java

public static String checksum(final JsonNode content) {
    try {//w w  w.j  a v  a 2s.c  om
        final MessageDigest md = MessageDigest.getInstance("SHA1");
        md.update(content.asText().getBytes(UTF_8));
        return new BigInteger(1, md.digest()).toString(16);
    } catch (final Exception e) {
        throw new RuntimeException(e.getMessage(), e.getCause());
    }
}

From source file:Main.java

private static String getExceptionDescription(Exception exception) {
    return exception != null
            ? exception.getLocalizedMessage() + "\n" + exception.getMessage() + "\ncause: "
                    + exception.getCause()
            : "No description";
}

From source file:com.hazelcast.qasonar.utils.PropertyReaderBuilder.java

private static PropertyReader fromProperties(Properties props) {
    try {/*from  w  ww. j  a v a 2  s  .  com*/
        PropertyReader propertyReader = new PropertyReader(getProperty(props, "host"),
                getProperty(props, "username"), getProperty(props, "password"));

        addProjectResourceIds(propertyReader, getProperty(props, "projectResourceIds"));

        propertyReader.setLocalGitRoot(getProperty(props, "localGitRoot"));
        propertyReader.setGitHubRepository(getProperty(props, "gitHubRepository"));

        String minCodeCoverageString = getProperty(props, "minCodeCoverage");
        double minCodeCoverage = (minCodeCoverageString == null) ? DEFAULT_MIN_CODE_COVERAGE
                : valueOf(minCodeCoverageString);
        propertyReader.setMinCodeCoverage(minCodeCoverage, false);

        String minCodeCoverageModifiedString = props.getProperty("minCodeCoverageModified");
        if (minCodeCoverageModifiedString != null) {
            propertyReader.setMinCodeCoverage(valueOf(minCodeCoverageModifiedString), true);
        }

        return propertyReader;
    } catch (Exception e) {
        throw new IllegalStateException("Could not read property file!", e.getCause());
    }
}

From source file:com.github.ibole.infrastructure.common.exception.MoreThrowables.java

/**
 * ??./*  w ww .j  av a 2 s .c om*/
 */
@SuppressWarnings("unchecked")
public static boolean isCausedBy(Exception ex, Class<? extends Exception>... causeExceptionClasses) {
    Throwable cause = ex.getCause();
    while (cause != null) {
        for (Class<? extends Exception> causeClass : causeExceptionClasses) {
            if (causeClass.isInstance(cause)) {
                return true;
            }
        }
        cause = cause.getCause();
    }
    return false;
}

From source file:info.magnolia.cms.util.AlertUtil.java

/**
 * Creates a string message out of an exception. Handles nested exceptions.
 * @param e//from   w ww. j  ava 2  s  .co  m
 * @return the message
 */
public static String getExceptionMessage(Exception e) {
    String message = e.getMessage();
    if (StringUtils.isEmpty(message)) {
        if (e.getCause() != null) {
            message = e.getCause().getMessage();
        }
        if (message == null) {
            message = StringUtils.EMPTY;
        }
    }
    return message;
}