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https://issues.apache.org/jira/browse/SOLR-17300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17848258#comment-17848258
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David Smiley commented on SOLR-17300:
-------------------------------------
Nicely done. The next step is to back-port to branch_9x. There's a
{{dev-tools/cherrypick.sh}} script to make this easier. Once that is done, you
can "Resolve" (but not "Close") this JIRA issue and choose the next minor
release as the fix-version -- 9.7.0.
> Copy existing listeners on re-creation of Http2SolrClient
> ---------------------------------------------------------
>
> Key: SOLR-17300
> URL: https://issues.apache.org/jira/browse/SOLR-17300
> Project: Solr
> Issue Type: Sub-task
> Reporter: Sanjay Dutt
> Priority: Major
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> For custom settings, such as timeouts, usually a Http2SolrClient is created
> using the existing HTTP client using below code.
> {code:java}
> Http2SolrClient.Builder(leaderBaseUrl)
> .withHttpClient(existingHttp2SolrClient)
> .withIdleTimeout(soTimeout, TimeUnit.MILLISECONDS)
> .withConnectionTimeout(connTimeout, TimeUnit.MILLISECONDS)
> .build();
> {code}
> If not specified, withHttpClient method would automatically copy over some of
> the older configuration automatically to the new Http2SolrClient
> {code:java}
> if (this.basicAuthAuthorizationStr == null) {
> this.basicAuthAuthorizationStr =
> http2SolrClient.basicAuthAuthorizationStr;
> }
> if (this.followRedirects == null) {
> this.followRedirects = http2SolrClient.httpClient.isFollowRedirects();
> }
> if (this.idleTimeoutMillis == null) {
> this.idleTimeoutMillis = http2SolrClient.idleTimeoutMillis;
> }
> if (this.requestWriter == null) {
> this.requestWriter = http2SolrClient.requestWriter;
> }
> if (this.requestTimeoutMillis == null) {
> this.requestTimeoutMillis = http2SolrClient.requestTimeoutMillis;
> }
> if (this.responseParser == null) {
> this.responseParser = http2SolrClient.parser;
> }
> if (this.urlParamNames == null) {
> this.urlParamNames = http2SolrClient.urlParamNames;
> }
> {code}
> Nonetheless there is one field that did not pass over yet -- List of
> HttpListenerFactory. This list also includes the interceptor for Auth due to
> which re-created client were missing auth credentials and requests were
> failing.
> *Proposed Solution* :-
> Along with other properties, List of Listener Factory should also be copied
> over from old to new client using withHttpClient method.
> {code:java}
> if (this.listenerFactory == null) {
> this.listenerFactory = new ArrayList<HttpListenerFactory>();
> http2SolrClient.listenerFactory.forEach(this.listenerFactory::add);
> }
> {code}
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