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https://issues.apache.org/jira/browse/SOLR-5971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15017999#comment-15017999
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Uwe Schindler commented on SOLR-5971:
-------------------------------------
You must also pass the key name through the encoder! Its unlikely that Solr
contains key names which violate the spec, but better safe than fail again in
the future. forms encoding requires that both key and value is encoded. Also
use the correct constants for UTF-8.
> '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
>
>
> 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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