Examples with HttpHost org.apache.http.HttpHost used on opensource projects

Example 11 with HttpHost

use of org.apache.http.HttpHost in project elasticsearch by elastic.

the class RestHighLevelClientTests method testPerformRequestOnResponseExceptionWithBrokenEntity.

public void testPerformRequestOnResponseExceptionWithBrokenEntity() throws IOException {
    MainRequest mainRequest = new MainRequest();
    CheckedFunction<MainRequest, Request, IOException> requestConverter = request -> new Request("GET", "/", Collections.emptyMap(), null);
    RestStatus restStatus = randomFrom(RestStatus.values());
    HttpResponse httpResponse = new BasicHttpResponse(newStatusLine(restStatus));
    httpResponse.setEntity(new StringEntity("{\"error\":", ContentType.APPLICATION_JSON));
    Response mockResponse = new Response(REQUEST_LINE, new HttpHost("localhost", 9200), httpResponse);
    ResponseException responseException = new ResponseException(mockResponse);
    when(restClient.performRequest(anyString(), anyString(), anyMapOf(String.class, String.class), anyObject(), anyVararg())).thenThrow(responseException);
    ElasticsearchException elasticsearchException = expectThrows(ElasticsearchException.class, () -> restHighLevelClient.performRequest(mainRequest, requestConverter, response -> response.getStatusLine().getStatusCode(), Collections.emptySet()));
    assertEquals("Unable to parse response body", elasticsearchException.getMessage());
    assertEquals(restStatus, elasticsearchException.status());
    assertSame(responseException, elasticsearchException.getCause());
    assertThat(elasticsearchException.getSuppressed()[0], instanceOf(JsonParseException.class));
}

Example 12 with HttpHost

use of org.apache.http.HttpHost in project elasticsearch by elastic.

the class RestHighLevelClientTests method testPerformRequestOnResponseExceptionWithIgnoresErrorValidBody.

public void testPerformRequestOnResponseExceptionWithIgnoresErrorValidBody() throws IOException {
    MainRequest mainRequest = new MainRequest();
    CheckedFunction<MainRequest, Request, IOException> requestConverter = request -> new Request("GET", "/", Collections.emptyMap(), null);
    HttpResponse httpResponse = new BasicHttpResponse(newStatusLine(RestStatus.NOT_FOUND));
    httpResponse.setEntity(new StringEntity("{\"error\":\"test error message\",\"status\":404}", ContentType.APPLICATION_JSON));
    Response mockResponse = new Response(REQUEST_LINE, new HttpHost("localhost", 9200), httpResponse);
    ResponseException responseException = new ResponseException(mockResponse);
    when(restClient.performRequest(anyString(), anyString(), anyMapOf(String.class, String.class), anyObject(), anyVararg())).thenThrow(responseException);
    ElasticsearchException elasticsearchException = expectThrows(ElasticsearchException.class, () -> restHighLevelClient.performRequest(mainRequest, requestConverter, response -> {
        throw new IllegalStateException();
    }, Collections.singleton(404)));
    assertEquals(RestStatus.NOT_FOUND, elasticsearchException.status());
    assertSame(responseException, elasticsearchException.getSuppressed()[0]);
    assertEquals("Elasticsearch exception [type=exception, reason=test error message]", elasticsearchException.getMessage());
}

Example 13 with HttpHost

use of org.apache.http.HttpHost in project elasticsearch by elastic.

the class RestHighLevelClientTests method testWrapResponseListenerOnResponseExceptionWithIgnores.

public void testWrapResponseListenerOnResponseExceptionWithIgnores() throws IOException {
    TrackingActionListener trackingActionListener = new TrackingActionListener();
    ResponseListener responseListener = restHighLevelClient.wrapResponseListener(response -> response.getStatusLine().getStatusCode(), trackingActionListener, Collections.singleton(404));
    HttpResponse httpResponse = new BasicHttpResponse(newStatusLine(RestStatus.NOT_FOUND));
    Response response = new Response(REQUEST_LINE, new HttpHost("localhost", 9200), httpResponse);
    ResponseException responseException = new ResponseException(response);
    responseListener.onFailure(responseException);
    //although we got an exception, we turn it into a successful response because the status code was provided among ignores
    assertNull(trackingActionListener.exception.get());
    assertEquals(404, trackingActionListener.statusCode.get());
}

Example 14 with HttpHost

use of org.apache.http.HttpHost in project elasticsearch by elastic.

the class RestClient method nextHost.

/**
     * Returns an {@link Iterable} of hosts to be used for a request call.
     * Ideally, the first host is retrieved from the iterable and used successfully for the request.
     * Otherwise, after each failure the next host has to be retrieved from the iterator so that the request can be retried until
     * there are no more hosts available to retry against. The maximum total of attempts is equal to the number of hosts in the iterable.
     * The iterator returned will never be empty. In case there are no healthy hosts available, or dead ones to be be retried,
     * one dead host gets returned so that it can be retried.
     */
private HostTuple<Iterator<HttpHost>> nextHost() {
    final HostTuple<Set<HttpHost>> hostTuple = this.hostTuple;
    Collection<HttpHost> nextHosts = Collections.emptySet();
    do {
        Set<HttpHost> filteredHosts = new HashSet<>(hostTuple.hosts);
        for (Map.Entry<HttpHost, DeadHostState> entry : blacklist.entrySet()) {
            if (System.nanoTime() - entry.getValue().getDeadUntilNanos() < 0) {
                filteredHosts.remove(entry.getKey());
            }
        }
        if (filteredHosts.isEmpty()) {
            //last resort: if there are no good host to use, return a single dead one, the one that's closest to being retried
            List<Map.Entry<HttpHost, DeadHostState>> sortedHosts = new ArrayList<>(blacklist.entrySet());
            if (sortedHosts.size() > 0) {
                Collections.sort(sortedHosts, new Comparator<Map.Entry<HttpHost, DeadHostState>>() {

                    @Override
                    public int compare(Map.Entry<HttpHost, DeadHostState> o1, Map.Entry<HttpHost, DeadHostState> o2) {
                        return Long.compare(o1.getValue().getDeadUntilNanos(), o2.getValue().getDeadUntilNanos());
                    }
                });
                HttpHost deadHost = sortedHosts.get(0).getKey();
                logger.trace("resurrecting host [" + deadHost + "]");
                nextHosts = Collections.singleton(deadHost);
            }
        } else {
            List<HttpHost> rotatedHosts = new ArrayList<>(filteredHosts);
            Collections.rotate(rotatedHosts, rotatedHosts.size() - lastHostIndex.getAndIncrement());
            nextHosts = rotatedHosts;
        }
    } while (nextHosts.isEmpty());
    return new HostTuple<>(nextHosts.iterator(), hostTuple.authCache);
}

Example 15 with HttpHost

use of org.apache.http.HttpHost in project elasticsearch by elastic.

the class SyncResponseListenerTests method mockResponse.

private static Response mockResponse() {
    ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
    RequestLine requestLine = new BasicRequestLine("GET", "/", protocolVersion);
    StatusLine statusLine = new BasicStatusLine(protocolVersion, 200, "OK");
    HttpResponse httpResponse = new BasicHttpResponse(statusLine);
    return new Response(requestLine, new HttpHost("localhost", 9200), httpResponse);
}