[jira] [Created] (SOLR-12199) TestReplicationHandler.doTestRepeater(): TEST_PORT interpolation failure: Server refused connection at: http://127.0.0.1:TEST_PORT/solr

["Steve Rowe (JIRA)" <ji...@apache.org>]

Steve Rowe created SOLR-12199:
---------------------------------

             Summary: TestReplicationHandler.doTestRepeater(): TEST_PORT interpolation failure: Server refused connection at: http://127.0.0.1:TEST_PORT/solr 
                 Key: SOLR-12199
                 URL: https://issues.apache.org/jira/browse/SOLR-12199
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Steve Rowe
            Assignee: Steve Rowe


From [https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-MacOSX/551/]:

{noformat}
   [junit4]   2> 750759 INFO  (TEST-TestReplicationHandler.doTestRepeater-seed#[7078A21248E0962E]) [    ] o.a.s.h.TestReplicationHandler Waited for 0ms and found 3 docs
   [junit4]   2> 750760 INFO  (qtp351238853-8844) [    x:collection1] o.a.s.c.S.Request [collection1]  webapp=/solr path=/replication params={_trace=getDetails&qt=/replication&wt=javabin&version=2&command=details} status=0 QTime=1
   [junit4]   2> 750761 INFO  (qtp351238853-8846) [    x:collection1] o.a.s.c.S.Request [collection1]  webapp=/solr path=/replication params={_trace=getDetails&qt=/replication&wt=javabin&version=2&command=details} status=0 QTime=0
   [junit4]   2> 750769 WARN  (qtp738580099-8901) [    x:collection1] o.a.s.h.ReplicationHandler Exception while invoking 'details' method for replication on master 
   [junit4]   2> org.apache.solr.client.solrj.SolrServerException: Server refused connection at: http://127.0.0.1:TEST_PORT/solr
   [junit4]   2> 	at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:650) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219) ~[java/:?]
   [junit4]   2> 	at org.apache.solr.handler.IndexFetcher.getDetails(IndexFetcher.java:1852) ~[java/:?]
{noformat}

I looked at {{TestReplicationHandler}} Jenkins failure logs from the last couple days, and every single one has the same pattern: a WARN message from {{doTestRepeater()}} about failure to connect with a URL containing port {{TEST_PORT}} (rather than a numeric value).

On the dev list Dawid Weiss [wrote|https://lists.apache.org/thread.html/b9606be4ae70e58b4be8c3438e92f69361d59b4de566ec707dda3f24@%3Cdev.lucene.apache.org%3E]:

{quote}
I see this in TestReplicationHandler:

{code:java}
 /**
  * character copy of file using UTF-8. If port is non-null, will be
substituted any time "TEST_PORT" is found.
  */
 private static void copyFile(File src, File dst, Integer port,
boolean internalCompression) throws IOException {
   BufferedReader in = new BufferedReader(new InputStreamReader(new
FileInputStream(src), StandardCharsets.UTF_8));
   Writer out = new OutputStreamWriter(new FileOutputStream(dst),
StandardCharsets.UTF_8);

   for (String line = in.readLine(); null != line; line = in.readLine()) {

     if (null != port)
       line = line.replace("TEST_PORT", port.toString());
{code}

So it seems port is allowed to be null and then won't be substituted.
This looks like a bug in the test scaffolding: this situation
shouldn't be allowed; if a port cannot be acquired the test should
fail much sooner?
{quote}



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