Examples with XContent org.elasticsearch.common.xcontent.XContent used on opensource projects

Example 6 with XContent

use of org.elasticsearch.common.xcontent.XContent in project elasticsearch by elastic.

the class ElasticsearchExceptionTests method testFromXContent.

public void testFromXContent() throws IOException {
    final XContent xContent = randomFrom(XContentType.values()).xContent();
    XContentBuilder builder = XContentBuilder.builder(xContent).startObject().field("type", "foo").field("reason", "something went wrong").field("stack_trace", "...").endObject();
    ElasticsearchException parsed;
    try (XContentParser parser = createParser(xContent, builder.bytes())) {
        assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
        parsed = ElasticsearchException.fromXContent(parser);
        assertEquals(XContentParser.Token.END_OBJECT, parser.currentToken());
        assertNull(parser.nextToken());
    }
    assertNotNull(parsed);
    assertEquals(parsed.getMessage(), "Elasticsearch exception [type=foo, reason=something went wrong, stack_trace=...]");
}

Example 7 with XContent

use of org.elasticsearch.common.xcontent.XContent in project elasticsearch by elastic.

the class ElasticsearchExceptionTests method testFailureToAndFromXContentWithDetails.

public void testFailureToAndFromXContentWithDetails() throws IOException {
    final XContent xContent = randomFrom(XContentType.values()).xContent();
    Exception failure;
    Throwable failureCause;
    ElasticsearchException expected;
    ElasticsearchException expectedCause;
    ElasticsearchException suppressed;
    switch(randomIntBetween(0, 6)) {
        case // Simple elasticsearch exception without cause
        0:
            failure = new NoNodeAvailableException("A");
            expected = new ElasticsearchException("Elasticsearch exception [type=no_node_available_exception, reason=A]");
            expected.addSuppressed(new ElasticsearchException("Elasticsearch exception [type=no_node_available_exception, reason=A]"));
            break;
        case // Simple elasticsearch exception with headers (other metadata of type number are not parsed)
        1:
            failure = new CircuitBreakingException("B", 5_000, 2_000);
            ((ElasticsearchException) failure).addHeader("header_name", "0", "1");
            expected = new ElasticsearchException("Elasticsearch exception [type=circuit_breaking_exception, reason=B]");
            expected.addHeader("header_name", "0", "1");
            suppressed = new ElasticsearchException("Elasticsearch exception [type=circuit_breaking_exception, reason=B]");
            suppressed.addHeader("header_name", "0", "1");
            expected.addSuppressed(suppressed);
            break;
        case // Elasticsearch exception with a cause, headers and parsable metadata
        2:
            failureCause = new NullPointerException("var is null");
            failure = new ScriptException("C", failureCause, singletonList("stack"), "test", "painless");
            ((ElasticsearchException) failure).addHeader("script_name", "my_script");
            expectedCause = new ElasticsearchException("Elasticsearch exception [type=null_pointer_exception, reason=var is null]");
            expected = new ElasticsearchException("Elasticsearch exception [type=script_exception, reason=C]", expectedCause);
            expected.addHeader("script_name", "my_script");
            expected.addMetadata("es.lang", "painless");
            expected.addMetadata("es.script", "test");
            expected.addMetadata("es.script_stack", "stack");
            suppressed = new ElasticsearchException("Elasticsearch exception [type=script_exception, reason=C]");
            suppressed.addHeader("script_name", "my_script");
            suppressed.addMetadata("es.lang", "painless");
            suppressed.addMetadata("es.script", "test");
            suppressed.addMetadata("es.script_stack", "stack");
            expected.addSuppressed(suppressed);
            break;
        case // JDK exception without cause
        3:
            failure = new IllegalStateException("D");
            expected = new ElasticsearchException("Elasticsearch exception [type=illegal_state_exception, reason=D]");
            suppressed = new ElasticsearchException("Elasticsearch exception [type=illegal_state_exception, reason=D]");
            expected.addSuppressed(suppressed);
            break;
        case // JDK exception with cause
        4:
            failureCause = new RoutingMissingException("idx", "type", "id");
            failure = new RuntimeException("E", failureCause);
            expectedCause = new ElasticsearchException("Elasticsearch exception [type=routing_missing_exception, " + "reason=routing is required for [idx]/[type]/[id]]");
            expectedCause.addMetadata("es.index", "idx");
            expectedCause.addMetadata("es.index_uuid", "_na_");
            expected = new ElasticsearchException("Elasticsearch exception [type=runtime_exception, reason=E]", expectedCause);
            suppressed = new ElasticsearchException("Elasticsearch exception [type=runtime_exception, reason=E]");
            expected.addSuppressed(suppressed);
            break;
        case // Wrapped exception with cause
        5:
            failureCause = new FileAlreadyExistsException("File exists");
            failure = new BroadcastShardOperationFailedException(new ShardId("_index", "_uuid", 5), "F", failureCause);
            expected = new ElasticsearchException("Elasticsearch exception [type=file_already_exists_exception, reason=File exists]");
            // strangely, the wrapped exception appears as the root cause...
            suppressed = new ElasticsearchException("Elasticsearch exception [type=broadcast_shard_operation_failed_exception, " + "reason=F]");
            expected.addSuppressed(suppressed);
            break;
        case // SearchPhaseExecutionException with cause and multiple failures
        6:
            DiscoveryNode node = new DiscoveryNode("node_g", buildNewFakeTransportAddress(), Version.CURRENT);
            failureCause = new NodeClosedException(node);
            failureCause = new NoShardAvailableActionException(new ShardId("_index_g", "_uuid_g", 6), "node_g", failureCause);
            ShardSearchFailure[] shardFailures = new ShardSearchFailure[] { new ShardSearchFailure(new ParsingException(0, 0, "Parsing g", null), new SearchShardTarget("node_g", new ShardId(new Index("_index_g", "_uuid_g"), 61))), new ShardSearchFailure(new RepositoryException("repository_g", "Repo"), new SearchShardTarget("node_g", new ShardId(new Index("_index_g", "_uuid_g"), 62))), new ShardSearchFailure(new SearchContextMissingException(0L), null) };
            failure = new SearchPhaseExecutionException("phase_g", "G", failureCause, shardFailures);
            expectedCause = new ElasticsearchException("Elasticsearch exception [type=node_closed_exception, " + "reason=node closed " + node + "]");
            expectedCause = new ElasticsearchException("Elasticsearch exception [type=no_shard_available_action_exception, " + "reason=node_g]", expectedCause);
            expectedCause.addMetadata("es.index", "_index_g");
            expectedCause.addMetadata("es.index_uuid", "_uuid_g");
            expectedCause.addMetadata("es.shard", "6");
            expected = new ElasticsearchException("Elasticsearch exception [type=search_phase_execution_exception, " + "reason=G]", expectedCause);
            expected.addMetadata("es.phase", "phase_g");
            expected.addSuppressed(new ElasticsearchException("Elasticsearch exception [type=parsing_exception, reason=Parsing g]"));
            expected.addSuppressed(new ElasticsearchException("Elasticsearch exception [type=repository_exception, " + "reason=[repository_g] Repo]"));
            expected.addSuppressed(new ElasticsearchException("Elasticsearch exception [type=search_context_missing_exception, " + "reason=No search context found for id [0]]"));
            break;
        default:
            throw new UnsupportedOperationException("Failed to generate randomized failure");
    }
    Exception finalFailure = failure;
    BytesReference failureBytes = XContentHelper.toXContent((builder, params) -> {
        ElasticsearchException.generateFailureXContent(builder, params, finalFailure, true);
        return builder;
    }, xContent.type(), randomBoolean());
    try (XContentParser parser = createParser(xContent, failureBytes)) {
        failureBytes = shuffleXContent(parser, randomBoolean()).bytes();
    }
    ElasticsearchException parsedFailure;
    try (XContentParser parser = createParser(xContent, failureBytes)) {
        assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
        assertEquals(XContentParser.Token.FIELD_NAME, parser.nextToken());
        parsedFailure = ElasticsearchException.failureFromXContent(parser);
        assertEquals(XContentParser.Token.END_OBJECT, parser.nextToken());
        assertNull(parser.nextToken());
    }
    assertDeepEquals(expected, parsedFailure);
}

Example 8 with XContent

use of org.elasticsearch.common.xcontent.XContent in project elasticsearch by elastic.

the class ElasticsearchExceptionTests method testFromXContentWithIgnoredMetadataAndHeaders.

/**
     * Test that some values like arrays of numbers are ignored when parsing back
     * an exception.
     */
public void testFromXContentWithIgnoredMetadataAndHeaders() throws IOException {
    final XContent xContent = randomFrom(XContentType.values()).xContent();
    // The exception content to parse is built using a XContentBuilder
    // because the current Java API does not allow to add metadata/headers
    // of other types than list of strings.
    BytesReference originalBytes;
    try (XContentBuilder builder = XContentBuilder.builder(xContent)) {
        builder.startObject().field("metadata_int", 1).array("metadata_array_of_ints", new int[] { 8, 13, 21 }).field("reason", "Custom reason").array("metadata_array_of_boolean", new boolean[] { false, false }).startArray("metadata_array_of_objects").startObject().field("object_array_one", "value_one").endObject().startObject().field("object_array_two", "value_two").endObject().endArray().field("type", "custom_exception").field("metadata_long", 1L).array("metadata_array_of_longs", new long[] { 2L, 3L, 5L }).field("metadata_other", "some metadata").startObject("header").field("header_string", "some header").array("header_array_of_strings", new String[] { "foo", "bar", "baz" }).endObject().startObject("metadata_object").field("object_field", "value").endObject().endObject();
        originalBytes = builder.bytes();
    }
    ElasticsearchException parsedException;
    try (XContentParser parser = createParser(xContent, originalBytes)) {
        assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
        parsedException = ElasticsearchException.fromXContent(parser);
        assertEquals(XContentParser.Token.END_OBJECT, parser.currentToken());
        assertNull(parser.nextToken());
    }
    assertNotNull(parsedException);
    assertEquals("Elasticsearch exception [type=custom_exception, reason=Custom reason]", parsedException.getMessage());
    assertEquals(2, parsedException.getHeaderKeys().size());
    assertThat(parsedException.getHeader("header_string"), hasItem("some header"));
    assertThat(parsedException.getHeader("header_array_of_strings"), hasItems("foo", "bar", "baz"));
    assertEquals(1, parsedException.getMetadataKeys().size());
    assertThat(parsedException.getMetadata("es.metadata_other"), hasItem("some metadata"));
}

Example 9 with XContent

use of org.elasticsearch.common.xcontent.XContent in project elasticsearch by elastic.

the class SearchPhaseExecutionExceptionTests method testToAndFromXContent.

public void testToAndFromXContent() throws IOException {
    final XContent xContent = randomFrom(XContentType.values()).xContent();
    ShardSearchFailure[] shardSearchFailures = new ShardSearchFailure[randomIntBetween(1, 5)];
    for (int i = 0; i < shardSearchFailures.length; i++) {
        Exception cause = randomFrom(new ParsingException(1, 2, "foobar", null), new InvalidIndexTemplateException("foo", "bar"), new TimestampParsingException("foo", null), new NullPointerException());
        shardSearchFailures[i] = new ShardSearchFailure(cause, new SearchShardTarget("node_" + i, new Index("test", "_na_"), i));
    }
    final String phase = randomFrom("query", "search", "other");
    SearchPhaseExecutionException actual = new SearchPhaseExecutionException(phase, "unexpected failures", shardSearchFailures);
    BytesReference exceptionBytes = XContentHelper.toXContent(actual, xContent.type(), randomBoolean());
    ElasticsearchException parsedException;
    try (XContentParser parser = createParser(xContent, exceptionBytes)) {
        assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
        parsedException = ElasticsearchException.fromXContent(parser);
        assertEquals(XContentParser.Token.END_OBJECT, parser.currentToken());
        assertNull(parser.nextToken());
    }
    assertNotNull(parsedException);
    assertThat(parsedException.getHeaderKeys(), hasSize(0));
    assertThat(parsedException.getMetadataKeys(), hasSize(1));
    assertThat(parsedException.getMetadata("es.phase"), hasItem(phase));
    // SearchPhaseExecutionException has no cause field
    assertNull(parsedException.getCause());
}

Example 10 with XContent

use of org.elasticsearch.common.xcontent.XContent in project elasticsearch by elastic.

the class ElasticsearchExceptionTests method testFailureToAndFromXContentWithNoDetails.

public void testFailureToAndFromXContentWithNoDetails() throws IOException {
    final XContent xContent = randomFrom(XContentType.values()).xContent();
    final Exception failure = (Exception) randomExceptions().v1();
    BytesReference failureBytes = XContentHelper.toXContent((builder, params) -> {
        ElasticsearchException.generateFailureXContent(builder, params, failure, false);
        return builder;
    }, xContent.type(), randomBoolean());
    try (XContentParser parser = createParser(xContent, failureBytes)) {
        failureBytes = shuffleXContent(parser, randomBoolean()).bytes();
    }
    ElasticsearchException parsedFailure;
    try (XContentParser parser = createParser(xContent, failureBytes)) {
        assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
        assertEquals(XContentParser.Token.FIELD_NAME, parser.nextToken());
        parsedFailure = ElasticsearchException.failureFromXContent(parser);
        assertEquals(XContentParser.Token.END_OBJECT, parser.nextToken());
        assertNull(parser.nextToken());
    }
    assertNotNull(parsedFailure);
    String reason;
    if (failure instanceof ElasticsearchException) {
        reason = failure.getClass().getSimpleName() + "[" + failure.getMessage() + "]";
    } else {
        reason = "No ElasticsearchException found";
    }
    assertEquals(ElasticsearchException.buildMessage("exception", reason, null), parsedFailure.getMessage());
    assertEquals(0, parsedFailure.getHeaders().size());
    assertEquals(0, parsedFailure.getMetadata().size());
    assertNull(parsedFailure.getCause());
}