Fwd: Please Help debugging java.lang.NumberFormatException: empty String

[Joshua Kaiser]

Hi,

I'm very new to Solr.  I've tried searching archives for this error, but
haven't found it.  If this is something that may be found in a faq or
existing forum, please feel free to point me there.

I'm having issues debugging an error on the Solr server when I attempt to
add a document.  My feeling is that it's ultimately an issue with my
document not obeying my schema definition, but I have no clue how to track
down the offending field.  When I attempt to add a document I get an error
back like this:

Feb 12, 2009 10:32:40 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NumberFormatException: empty String
    at
sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:994)
    at java.lang.Float.parseFloat(Float.java:394)
    at
org.apache.solr.handler.XmlUpdateRequestHandler.readDoc(XmlUpdateRequestHandler.java:358)
    at
org.apache.solr.handler.XmlUpdateRequestHandler.processUpdate(XmlUpdateRequestHandler.java:195)
    at
org.apache.solr.handler.XmlUpdateRequestHandler.handleRequestBody(XmlUpdateRequestHandler.java:123)
    at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
    at org.apache.solr.core.SolrCore.execute(SolrCore.java:1204)
    at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:303)
    at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:232)
    at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
    at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
    at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
    at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
    at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
    at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
    at org.mortbay.jetty.Server.handle(Server.java:285)
    at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:502)
    at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:835)
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:641)
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:202)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:378)
    at
org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:226)
    at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

Any pointers to a log file that I could look at or approaches to solving
this would be greatly appreciated.  Thanks in advance.

Joshua