通常我的应用程序位于：
/数据/网站/当前/
但现在是：
/数据/Site2/当前/
我尝试编写脚本/控制台并对其进行重新索引，并收到以下错误，这使我相信新路径正在抛弃它：
RSolr::RequestError: Solr Response: Failed_to_acquire_random_test_lock_please_verify_filesystem_for_lock_directory_solrdataindex_supports_locking__javalangRuntimeException_Failed_to_acquire_random_test_lock_please_verify_filesystem_for_lock_directory_solrdataindex_supports_locking__at_orgapachelucenestoreNativeFSLockFactoryacquireTestLockNativeFSLockFactoryjava88__at_orgapachelucenestoreNativeFSLockFactorymakeLockNativeFSLockFactoryjava126__at_orgapachelucenestoreDirectorymakeLockDirectoryjava131__at_orgapacheluceneindexIndexWriterinitIndexWriterjava1544__at_orgapacheluceneindexIndexWriterinitIndexWriterjava1402__at_orgapachesolrupdateSolrIndexWriterinitSolrIndexWriterjava190__at_orgapachesolrupdateUpdateHandlercreateMainIndexWriterUpdateHandlerjava98__at_orgapachesolrupdateDirectUpdateHandler2openWriterDirectUpdateHandler2java173__at_orgapachesolrupdateDirectUpdateHandler2deleteByQueryDirectUpdateHandler2java325__at_orgapachesolrupdateprocessorRunUpdateProcessorprocessDeleteRunUpdateProcessorFactoryjava71__at_orgapachesolrhandlerXMLLoaderprocessDeleteXMLLoaderjava234__at_orgapachesolrhandlerXMLLoaderprocessUpdateXMLLoaderjava180__at_orgapachesolrhandlerXMLLoaderloadXMLLoaderjava69__at_orgapachesolrhandlerContentStreamHandlerBasehandleRequestBodyContentStreamHandlerBasejava54__at_orgapachesolrhandlerRequestHandlerBasehandleRequestRequestHandlerBasejava131__at_orgapachesolrcoreSolrCoreexecuteSolrCorejava1316__at_orgapachesolrservletSolrDispatchFilterexecuteSolrDispatchFilterjava338__at_orgapachesolrservletSolrDispatchFilterdoFilterSolrDispatchFilterjava241__at_orgmortbayjettyservletServletHandler$CachedChaindoFilterServletHandlerjava1089__at_orgmortbayjettyservletServletHandlerhandleServletHandlerjava365__at_orgmortbayjettysecuritySecurityHandlerhandleSecurityHandlerjava216__at_orgmortbayjettyservletSessionHandlerhandleSessionHandlerja
from /usr/lib/ruby/gems/1.8/gems/rsolr-0.12.1/lib/rsolr/connection/requestable.rb:39:in `request'
from /usr/lib/ruby/gems/1.8/gems/rsolr-0.12.1/lib/rsolr/client.rb:34:in `request'
from /usr/lib/ruby/gems/1.8/gems/rsolr-0.12.1/lib/rsolr/client.rb:22:in `update'
from /usr/lib/ruby/gems/1.8/gems/rsolr-0.12.1/lib/rsolr/client.rb:76:in `delete_by_query'
from /usr/lib/ruby/gems/1.8/gems/sunspot-1.0.5/lib/sunspot/indexer.rb:55:in `remove_all'
from /usr/lib/ruby/gems/1.8/gems/sunspot-1.0.5/lib/sunspot/session.rb:145:in `remove_all'
from /usr/lib/ruby/gems/1.8/gems/sunspot-1.0.5/lib/sunspot/session.rb:145:in `each'
from /usr/lib/ruby/gems/1.8/gems/sunspot-1.0.5/lib/sunspot/session.rb:145:in `remove_all'
from /usr/lib/ruby/gems/1.8/gems/sunspot-1.0.5/lib/sunspot/session_proxy/abstract_session_proxy.rb:11:in `remove_all'
from /usr/lib/ruby/gems/1.8/gems/sunspot-1.0.5/lib/sunspot.rb:406:in `remove_all'
from /usr/lib/ruby/gems/1.8/gems/sunspot_rails-1.0.5/lib/sunspot/rails/searchable.rb:163:in `solr_remove_all_from_index'
from /usr/lib/ruby/gems/1.8/gems/sunspot_rails-1.0.5/lib/sunspot/rails/searchable.rb:182:in `reindex'
from (irb):2
我将如何更改 Sunspot-Solr 的默认目录？