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https://issues.apache.org/jira/browse/SOLR-5971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018164#comment-15018164
]
Ishan Chattopadhyaya commented on SOLR-5971:
--------------------------------------------
We use the {{ClientUtils.toQueryString()}}.
{noformat}
public static String toQueryString( SolrParams params, boolean xml ) {
StringBuilder sb = new StringBuilder(128);
try {
String amp = xml ? "&" : "&";
boolean first=true;
Iterator<String> names = params.getParameterNamesIterator();
while( names.hasNext() ) {
String key = names.next();
String[] valarr = params.getParams( key );
if( valarr == null ) {
sb.append( first?"?":amp );
sb.append(key);
first=false;
}
else {
for (String val : valarr) {
sb.append( first? "?":amp );
sb.append(key);
if( val != null ) {
sb.append('=');
sb.append( URLEncoder.encode( val, StandardCharsets.UTF_8.name()
) );
}
first=false;
}
}
}
}
catch (IOException e) {throw new RuntimeException(e);} // can't happen
return sb.toString();
}
{noformat}
Do you know how to use the HttpClient to build the query string?
> 'Illegal character in query' when proxying request
> --------------------------------------------------
>
> Key: SOLR-5971
> URL: https://issues.apache.org/jira/browse/SOLR-5971
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.7.1
> Environment: Debian Wheezy, Java(TM) SE Runtime Environment (build
> 1.6.0_26-b03)
> Reporter: Eric Bus
> Priority: Blocker
> Labels: characters, exception, invalid, proxy, query, solrcloud
> Fix For: 5.5, 6.0
>
> Attachments: SOLR-5971.patch, SOLR-5971.patch, SOLR-5971.patch
>
>
> My cluster contains 3 Solr instances. I have a collection consisting of one
> shard with 2 replica's. So one node in the cluster does not have a replicate
> of the shard.
> The following query works when I query one of the two replica nodes:
> http://X.X.X.X:8080/solr/collection/select/?facet=true&facet.field={!ex%3Dfilters,filter1340+key%3Dfacet1340Values}string_months_month&facet=true&q=*:*
> But when I query the node without the replica, I get;
> {msg=Illegal character in query at index 78:
> http://X.X.X.X:8080/solr/collection/select/?facet=true&facet.field={!ex%3Dfilters,filter1340+key%3Dfacet1340Values}string_months_month&facet=true&q=*:*,trace=java.lang.IllegalArgumentException
> at java.net.URI.create(URI.java:842)
> at org.apache.http.client.methods.HttpGet.<init>(HttpGet.java:69)
> at
> org.apache.solr.servlet.SolrDispatchFilter.remoteQuery(SolrDispatchFilter.java:527)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:217)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> at org.eclipse.jetty.server.Server.handle(Server.java:368)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942)
> at
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
> at
> org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
> at java.lang.Thread.run(Thread.java:662)
> Without the facet.field attribute, it works fine on all the nodes.
> Is this some kind of double escaping when proxying the request?
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