We need a lot more info ... starting with what your client code looks like.
: I post a *.doc file to the solr server, but I always get the error: : org.apache.solr.common.SolrException: parsing error : at : org.apache.solr.client.solrj.impl.BinaryResponseParser.processResponse(BinaryResponseParser.java:43) : at : org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:512) : at : org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:254) : at : org.apache.solr.client.solrj.impl.StreamingUpdateSolrServer.request(StreamingUpdateSolrServer.java:202) -Hoss