*
     * @return the message. May return null.
     */
    @Nullable
    @Override
    public String getMessage() {
        String location = getLocation();
        String message = getCause().getMessage();
        if (location == null && message == null) {
            return null;
        }
        if (location == null) {
            return message;
        }

    public void failsWhenArchiveFileDoesNotExist() {
        try {
            tree.visit(new EmptyFileVisitor());
            fail();
        } catch (InvalidUserDataException e) {
            assertThat(e.getMessage(), containsString("Cannot expand TAR '" + archiveFile + "' as it does not exist."));
        }
    }

    @Test
    public void failsWhenArchiveFileIsADirectory() {
        archiveFile.createDir();

                        relocation.getVersion(),
                        relocation.getMessage());
                LOGGER.debug(
                        "The artifact {} has been relocated to {}: {}",
                        artifactDescriptorResult.getRequest().getArtifact(),
                        result,
                        relocation.getMessage());
                return result;
            }
        }
        return null;

            this.cycle = cycle;
        }

        public List<String> getCycle() {
            return cycle;
        }

        @Override
        public String getMessage() {
            return super.getMessage() + " " + String.join(" --> ", cycle);
        }
    }

            return new Metadata(new MetadataStaxReader().read(in, isStrict(options)));
        } catch (XMLStreamException e) {
            throw new MetadataParseException(
                    e.getMessage(),
                    e.getLocation().getLineNumber(),
                    e.getLocation().getColumnNumber(),
                    e);
        }
    }

${fileComment.multilineComment}${packageDecl.statement}
class MessageUtils {
    companion object {
        fun getMessage(): String = "Hello      World!"
    }

import org.junit.jupiter.api.Test

import org.junit.jupiter.api.Assertions.assertEquals

class MessageUtilsTest {
    @Test fun testGetMessage() {
        assertEquals("Hello      World!", MessageUtils.getMessage())
    }

            return e;
        }

        SSLHandshakeException sslException = (SSLHandshakeException) e;
        String message;

        if (e.getMessage().contains("PKIX path building failed") || e.getMessage().contains("certificate_unknown")) {
            message = "Got SSL handshake exception during request. It might be caused by SSL misconfiguration";
        } else {
            message = String.format(

${fileComment.multilineComment}${packageDecl.statement}
import groovy.transform.PackageScope

@PackageScope
class MessageUtils {
    static String getMessage() {
        return "Hello      World!"
    }

    public String getLocation() {
        return "";
    }

    @Override
    public String getMessage() {
        String msg = null;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else if (exception != null) {
            msg = exception.getMessage();
        }

        if (msg == null) {
            msg = "";
        }

        return msg;