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https://issues.apache.org/jira/browse/SOLR-5762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13920577#comment-13920577
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Shawn Heisey commented on SOLR-5762:
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Rather than create a whole new version parameter, could we just bump the
various existing codec version numbers? I think that would mean that javabin
goes to 2.1, xml to 2.3, and so on. This might be an absolutely terrible idea
... I'm operating on very little sleep right this moment.
> SOLR-5658 broke backward compatibility of Javabin format
> --------------------------------------------------------
>
> Key: SOLR-5762
> URL: https://issues.apache.org/jira/browse/SOLR-5762
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.6.1, 4.7
> Reporter: Noble Paul
> Fix For: 4.7, 4.8, 5.0
>
> Attachments: SOLR-5672.patch, SOLR-5762-test.patch, SOLR-5762.patch,
> updateReq_4_5.bin
>
>
> In SOLR-5658 the docsMap entry was changed from a Map to List<Map> this broke
> back compat of older clients with 4.6.1 and later
> {noformat}
> ERROR - 2014-02-20 21:28:36.332; org.apache.solr.common.SolrException;
> java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to
> java.util.List
> at
> org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.unmarshal(JavaBinUpdateRequestCodec.java:188)
> at
> org.apache.solr.handler.loader.JavabinLoader.parseAndLoadDocs(JavabinLoader.java:106)
> at
> org.apache.solr.handler.loader.JavabinLoader.load(JavabinLoader.java:58)
> at
> org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:92)
> at
> org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1859)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:721)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:417)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:201)
> at
> org.eclipse.jetty.servlet.ServletHandler$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.content(AbstractHttpConnection.java:953)
> at
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:953)
> at
> org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
> at
> org.eclipse.jetty.server.bio.SocketConnector$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:744)
> {noformat}
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