Hi Ayush, I thinks this
""IBM!12345". The exclamation mark ('!') is critical here, as it distinguishes the prefix used to determine which shard to direct the document to." https://cwiki.apache.org/confluence/display/solr/Shards+and+Indexing+Data+in+SolrCloud On Thursday, April 10, 2014 2:35 PM, Cool Techi <cooltec...@outlook.com> wrote: Hi, We are migrating from Solr 4.6 standalone to Solr 4.7 cloud version, while reindexing the document we are getting the following error. This is happening when the unique key has special character, this was not noticed in version 4.6 standalone mode, so we are not sure if this is a version problem or a cloud issue. Example of the unique key is given below, http://www.mynews.in/Blog/smrity!!**)))!miami_dolphins_vs_dallas_cowboys_live_stream_on_line_nfl_football_free_video_broadcast_B142707.html Exception Stack Trace ERROR - 2014-04-10 10:51:44.361; org.apache.solr.common.SolrException; java.lang.ArrayIndexOutOfBoundsException: 2 at org.apache.solr.common.cloud.CompositeIdRouter$KeyParser.getHash(CompositeIdRouter.java:296) at org.apache.solr.common.cloud.CompositeIdRouter.sliceHash(CompositeIdRouter.java:58) at org.apache.solr.common.cloud.HashBasedRouter.getTargetSlice(HashBasedRouter.java:33) at org.apache.solr.update.processor.DistributedUpdateProcessor.setupRequest(DistributedUpdateProcessor.java:218) at org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:550) at org.apache.solr.update.processor.LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:100) at org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java:247) at org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:174) at org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:92) at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1916) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:780) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:427) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:217) at org.eclipse.jetty.servlet.ServletHandler$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.SessionHandle Thanks,Ayush