Jakob Furrer created SOLR-5532:
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Summary: HttpSolrServer does not accept content type of "ping"
response
Key: SOLR-5532
URL: https://issues.apache.org/jira/browse/SOLR-5532
Project: Solr
Issue Type: New Feature
Affects Versions: 4.6
Environment: Windows 7, Java 1.7.0_45 (64bit), solr-solrj-4.6.0.jar
Reporter: Jakob Furrer
I just upgraded my Solr instance and with it I also upgraded the solrj library
in our custom application which sends diverse requests and queries to Solr.
I use the "ping" method to determine whether Solr started correctly under the
configured address. Since the upgrade the ping response results in an error:
{code:xml}
Cause: org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:
Expected content type application/xml; charset=UTF-8 but got
application/xml;charset=UTF-8.
<?xml version="1.0" encoding="UTF-8"?>
<response>
<lst name="responseHeader"><int name="status">0</int><int
name="QTime">0</int><lst name="params"><str name="df">searchtext</str><str
name="echoParams">all</str><str name="rows">10</str><str
name="echoParams">all</str><str name="wt">xml</str><str
name="version">2.2</str><str name="q">solrpingquery</str><str
name="distrib">false</str></lst></lst><str name="status">OK</str>
</response>
{code}
The Solr application itself works fine.
Using an older version of the solrj library than solr-solrj-4.6.0.jar (e.g.
solr-solrj-4.5.1.jar) in the custom application does not produce this error.
The Exception is produced in a Code block (_HttpSolrServer.java_, method
_request(...)_, around. line 140) which has been introduced with version 4.6.0.
Code to reproduce the error:
{code:xml}
try {
HttpSolrServer solrServer = new HttpSolrServer("my-solr-application-address");
solrServer.ping();
} catch (Exception e) {
e.printStackTrace();
}
}
{code}
A global search for "charset=UTF-8" on the source code of solrj indicates that
other functions besides "ping" might be affected as well, because there are
several places where "application/xml; charset=UTF-8" is spelled without a
space after the semicolon.
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