Examples with RepositoryException org.elasticsearch.repositories.RepositoryException used on opensource projects

Example 1 with RepositoryException

use of org.elasticsearch.repositories.RepositoryException in project elasticsearch by elastic.

the class BlobStoreRepository method getRepositoryData.

@Override
public RepositoryData getRepositoryData() {
    try {
        final long indexGen = latestIndexBlobId();
        final String snapshotsIndexBlobName = INDEX_FILE_PREFIX + Long.toString(indexGen);
        RepositoryData repositoryData;
        try (InputStream blob = snapshotsBlobContainer.readBlob(snapshotsIndexBlobName)) {
            BytesStreamOutput out = new BytesStreamOutput();
            Streams.copy(blob, out);
            // EMPTY is safe here because RepositoryData#fromXContent calls namedObject
            try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY, out.bytes())) {
                repositoryData = RepositoryData.snapshotsFromXContent(parser, indexGen);
            } catch (NotXContentException e) {
                logger.warn("[{}] index blob is not valid x-content [{} bytes]", snapshotsIndexBlobName, out.bytes().length());
                throw e;
            }
        }
        // now load the incompatible snapshot ids, if they exist
        try (InputStream blob = snapshotsBlobContainer.readBlob(INCOMPATIBLE_SNAPSHOTS_BLOB)) {
            BytesStreamOutput out = new BytesStreamOutput();
            Streams.copy(blob, out);
            try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY, out.bytes())) {
                repositoryData = repositoryData.incompatibleSnapshotsFromXContent(parser);
            }
        } catch (NoSuchFileException e) {
            logger.debug("[{}] Incompatible snapshots blob [{}] does not exist, the likely reason is that " + "there are no incompatible snapshots in the repository", metadata.name(), INCOMPATIBLE_SNAPSHOTS_BLOB);
        }
        return repositoryData;
    } catch (NoSuchFileException ex) {
        // repository doesn't have an index blob, its a new blank repo
        return RepositoryData.EMPTY;
    } catch (IOException ioe) {
        throw new RepositoryException(metadata.name(), "could not read repository data from index blob", ioe);
    }
}

Example 2 with RepositoryException

use of org.elasticsearch.repositories.RepositoryException in project elasticsearch by elastic.

the class BlobStoreRepository method writeIndexGen.

protected void writeIndexGen(final RepositoryData repositoryData, final long repositoryStateId) throws IOException {
    // can not write to a read only repository
    assert isReadOnly() == false;
    final long currentGen = latestIndexBlobId();
    if (repositoryStateId != SnapshotsInProgress.UNDEFINED_REPOSITORY_STATE_ID && currentGen != repositoryStateId) {
        // repository data
        throw new RepositoryException(metadata.name(), "concurrent modification of the index-N file, expected current generation [" + repositoryStateId + "], actual current generation [" + currentGen + "] - possibly due to simultaneous snapshot deletion requests");
    }
    final long newGen = currentGen + 1;
    final BytesReference snapshotsBytes;
    try (BytesStreamOutput bStream = new BytesStreamOutput()) {
        try (StreamOutput stream = new OutputStreamStreamOutput(bStream)) {
            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON, stream);
            repositoryData.snapshotsToXContent(builder, ToXContent.EMPTY_PARAMS);
            builder.close();
        }
        snapshotsBytes = bStream.bytes();
    }
    // write the index file
    writeAtomic(INDEX_FILE_PREFIX + Long.toString(newGen), snapshotsBytes);
    // delete the N-2 index file if it exists, keep the previous one around as a backup
    if (isReadOnly() == false && newGen - 2 >= 0) {
        final String oldSnapshotIndexFile = INDEX_FILE_PREFIX + Long.toString(newGen - 2);
        if (snapshotsBlobContainer.blobExists(oldSnapshotIndexFile)) {
            snapshotsBlobContainer.deleteBlob(oldSnapshotIndexFile);
        }
    }
    // write the current generation to the index-latest file
    final BytesReference genBytes;
    try (BytesStreamOutput bStream = new BytesStreamOutput()) {
        bStream.writeLong(newGen);
        genBytes = bStream.bytes();
    }
    if (snapshotsBlobContainer.blobExists(INDEX_LATEST_BLOB)) {
        snapshotsBlobContainer.deleteBlob(INDEX_LATEST_BLOB);
    }
    writeAtomic(INDEX_LATEST_BLOB, genBytes);
}

Example 3 with RepositoryException

use of org.elasticsearch.repositories.RepositoryException in project elasticsearch by elastic.

the class BlobStoreRepository method initializeSnapshot.

@Override
public void initializeSnapshot(SnapshotId snapshotId, List<IndexId> indices, MetaData clusterMetaData) {
    if (isReadOnly()) {
        throw new RepositoryException(metadata.name(), "cannot create snapshot in a readonly repository");
    }
    try {
        final String snapshotName = snapshotId.getName();
        // check if the snapshot name already exists in the repository
        final RepositoryData repositoryData = getRepositoryData();
        if (repositoryData.getAllSnapshotIds().stream().anyMatch(s -> s.getName().equals(snapshotName))) {
            throw new InvalidSnapshotNameException(metadata.name(), snapshotId.getName(), "snapshot with the same name already exists");
        }
        if (snapshotFormat.exists(snapshotsBlobContainer, snapshotId.getUUID())) {
            throw new InvalidSnapshotNameException(metadata.name(), snapshotId.getName(), "snapshot with the same name already exists");
        }
        // Write Global MetaData
        globalMetaDataFormat.write(clusterMetaData, snapshotsBlobContainer, snapshotId.getUUID());
        // write the index metadata for each index in the snapshot
        for (IndexId index : indices) {
            final IndexMetaData indexMetaData = clusterMetaData.index(index.getName());
            final BlobPath indexPath = basePath().add("indices").add(index.getId());
            final BlobContainer indexMetaDataBlobContainer = blobStore().blobContainer(indexPath);
            indexMetaDataFormat.write(indexMetaData, indexMetaDataBlobContainer, snapshotId.getUUID());
        }
    } catch (IOException ex) {
        throw new SnapshotCreationException(metadata.name(), snapshotId, ex);
    }
}

Example 4 with RepositoryException

use of org.elasticsearch.repositories.RepositoryException 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 5 with RepositoryException

use of org.elasticsearch.repositories.RepositoryException in project elasticsearch by elastic.

the class SharedClusterSnapshotRestoreIT method testSnapshotSucceedsAfterSnapshotFailure.

public void testSnapshotSucceedsAfterSnapshotFailure() throws Exception {
    logger.info("--> creating repository");
    final Path repoPath = randomRepoPath();
    final Client client = client();
    assertAcked(client.admin().cluster().preparePutRepository("test-repo").setType("mock").setVerify(false).setSettings(Settings.builder().put("location", repoPath).put("random_control_io_exception_rate", randomIntBetween(5, 20) / 100f).put("atomic_move", false).put("random", randomAsciiOfLength(10))));
    logger.info("--> indexing some data");
    assertAcked(prepareCreate("test-idx").setSettings(// that caused problems with writing subsequent snapshots if they happened to be lingering in the repository
    Settings.builder().put(SETTING_NUMBER_OF_SHARDS, 1).put(SETTING_NUMBER_OF_REPLICAS, 0)));
    ensureGreen();
    final int numDocs = randomIntBetween(1, 5);
    for (int i = 0; i < numDocs; i++) {
        index("test-idx", "doc", Integer.toString(i), "foo", "bar" + i);
    }
    refresh();
    assertThat(client.prepareSearch("test-idx").setSize(0).get().getHits().getTotalHits(), equalTo((long) numDocs));
    logger.info("--> snapshot with potential I/O failures");
    try {
        CreateSnapshotResponse createSnapshotResponse = client.admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(true).setIndices("test-idx").get();
        if (createSnapshotResponse.getSnapshotInfo().totalShards() != createSnapshotResponse.getSnapshotInfo().successfulShards()) {
            assertThat(getFailureCount("test-repo"), greaterThan(0L));
            assertThat(createSnapshotResponse.getSnapshotInfo().shardFailures().size(), greaterThan(0));
            for (SnapshotShardFailure shardFailure : createSnapshotResponse.getSnapshotInfo().shardFailures()) {
                assertThat(shardFailure.reason(), containsString("Random IOException"));
            }
        }
    } catch (SnapshotCreationException | RepositoryException ex) {
        // sometimes, the snapshot will fail with a top level I/O exception
        assertThat(ExceptionsHelper.stackTrace(ex), containsString("Random IOException"));
    }
    logger.info("--> snapshot with no I/O failures");
    assertAcked(client.admin().cluster().preparePutRepository("test-repo-2").setType("mock").setSettings(Settings.builder().put("location", repoPath)));
    CreateSnapshotResponse createSnapshotResponse = client.admin().cluster().prepareCreateSnapshot("test-repo-2", "test-snap-2").setWaitForCompletion(true).setIndices("test-idx").get();
    assertEquals(0, createSnapshotResponse.getSnapshotInfo().failedShards());
    GetSnapshotsResponse getSnapshotsResponse = client.admin().cluster().prepareGetSnapshots("test-repo-2").addSnapshots("test-snap-2").get();
    assertEquals(SnapshotState.SUCCESS, getSnapshotsResponse.getSnapshots().get(0).state());
}