Hi,
You can try using CloudLegacySolrClient as a start, which is exactly like in
8.x. But you'll need to figure out SSL with Http2SolrClient sooner or later
since it is deprecated.
Jan
> 24. jan. 2023 kl. 12:43 skrev Keerthi Turakapalli
> <tkeer...@opentext.com.INVALID>:
>
> Hi,
>
> In solr8.11.2 we were using the below code where the HttpClient object is
> created with SSLContextFactory to connect to ssl enabled solr.
>
> Code Snippet using solr 8.11.2:
>
>
> builder = new
> CloudSolrClient.Builder(Collections.singletonList(mServerDetails.getZookeeperUrl()),
> Optional.empty())
> .withHttpClient(getSecureClient())
>
> reutrn builder.build();
>
> private CloseableHttpClient getSecureClient() {
> CloseableHttpClient cHttpClient = null;
> try {
> TrustStrategy acceptingTrustStrategy = (cert, authType) -> true;
> SSLContext sslContext = SSLContexts.custom().loadTrustMaterial(null,
> acceptingTrustStrategy).build();
> SSLConnectionSocketFactory sslConnectionSocketFactory = new
> SSLConnectionSocketFactory(sslContext, new DefaultHostnameVerifier());
> Registry<ConnectionSocketFactory> socketFactoryRegistry =
> RegistryBuilder.<ConnectionSocketFactory>create().
> register(SCHEMA_HTTPS, sslConnectionSocketFactory).build();
> BasicHttpClientConnectionManager connectionManager = new
> BasicHttpClientConnectionManager(socketFactoryRegistry);
> cHttpClient =
> HttpClients.custom().setSSLSocketFactory(sslConnectionSocketFactory).setConnectionManager(connectionManager).build();
> } catch(NoSuchAlgorithmException | KeyStoreException |
> KeyManagementException ex)
> {
> mLogger.atError().log("Processing httpclient failed.: {}", ex);
> }
> return cHttpClient;
> }
>
> However, withHttpClient() in solr9.1.0 got updated and it is only accepting
> Http2SolrClient instead of HttpClient.
> Following the documentation here:
> https://solr.apache.org/guide/solr/latest/deployment-guide/solrj.html
>
> We tried to connect to ssl enabled solr using,
>
> This code leads to an NPE:
>
>
> List<String> list = new ArrayList<>();
> list.add(mServerDetails.getZookeeperUrl());
> CloudHttp2SolrClient.Builder newBuilder = new
> CloudHttp2SolrClient.Builder(list, Optional.empty());
> return newBuilder.build();
>
> This code is throwing below "Missing SSLContextFactory" error. Please find
> the stacktrace,
> =====================================================
>
> DEBUG | 2023-01-24 14:31:50 | [Thread-175] impl.SolrServiceImpl
> (SolrServiceImpl.java:474) - Zookeeper Protocol: HTTPS, enableSSLFlag: true
> ERROR | 2023-01-24 14:31:50 | [Thread-175] impl.SolrServiceImpl
> (SolrServiceImpl.java:218) - Failed to get the cluster status from the server.
> org.apache.solr.client.solrj.SolrServerException:
> java.lang.NullPointerException: Missing SslContextFactory
> at
> org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:445)
> ~[?:?]
> at
> org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:371)
> ~[?:?]
> at
> org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1174)
> ~[?:?]
> at
> org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:880)
> ~[?:?]
> at
> org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:807)
> ~[?:?]
> at
> org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:234) ~[?:?]
> at
> org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:249) ~[?:?]
>
> at com.zerog.ia.installer.actions.CustomAction.installSelf(Unknown
> Source) ~[installer.zip:?]
> at com.zerog.ia.installer.util.GenericInstallPanel$2.run(Unknown
> Source) ~[installer.zip:?]
>
> Caused by: java.lang.NullPointerException: Missing SslContextFactory
> at java.util.Objects.requireNonNull(Objects.java:246) ~[?:?]
> at
> org.eclipse.jetty.io.ssl.SslClientConnectionFactory.<init>(SslClientConnectionFactory.java:57)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpClient.newSslClientConnectionFactory(HttpClient.java:1208)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpClient.newSslClientConnectionFactory(HttpClient.java:1214)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpDestination.newSslClientConnectionFactory(HttpDestination.java:148)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpDestination.newSslClientConnectionFactory(HttpDestination.java:154)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpDestination.<init>(HttpDestination.java:94)
> ~[?:?]
> at
> org.eclipse.jetty.client.MultiplexHttpDestination.<init>(MultiplexHttpDestination.java:25)
> ~[?:?]
> at
> org.eclipse.jetty.http2.client.http.HttpDestinationOverHTTP2.<init>(HttpDestinationOverHTTP2.java:32)
> ~[?:?]
> at
> org.eclipse.jetty.http2.client.http.HttpClientTransportOverHTTP2.newHttpDestination(HttpClientTransportOverHTTP2.java:128)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpClient.lambda$resolveDestination$0(HttpClient.java:575)
> ~[?:?]
> at
> java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1705)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpClient.resolveDestination(HttpClient.java:573)
> ~[?:?]
> at
> org.eclipse.jetty.client.HttpClient.resolveDestination(HttpClient.java:551)
> ~[?:?]
> at org.eclipse.jetty.client.HttpClient.send(HttpClient.java:599) ~[?:?]
> at org.eclipse.jetty.client.HttpRequest.sendAsync(HttpRequest.java:780)
> ~[?:?]
> at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:767)
> ~[?:?]
> at
> org.apache.solr.client.solrj.impl.Http2SolrClient.request(Http2SolrClient.java:455)
> ~[?:?]
> at
> org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:405)
> ~[?:?]
> ============================================
>
> Here it is expecting SSLContextFactory while connecting to solr with the
> zookeeper host. We also tried to use the method "withSSLConfig(sslConfig)" in
> Http2SolrClient class. But the usage is something like
>
> <
> new Http2SolrClient.Builder().build;
>
> public Builder withSSLConfig(SSLConfig sslConfig) {
> this.sslConfig = sslConfig;
> return this;
> }
>>
>
> Here withSSLConfig() method requiring SSLConfig object containing parameters
> like authClient, keystore, keystorePassword, trustore, truststorePassword. If
> this method is to be used, where and what values are expected here? However,
> to call this method in Builder() by default it is assigning defaultSSLConf.
> What does this do?
>
> Could you please let us know how to Build a CloudSlrClient object with
> SSLConfig that can connect to SSL enabled solr9 machine with zookeeper URL?
> Or is it mandated to pass solr URL's?
>
> Thanks & Regards,
> Keerthi Turakapalli
>
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