Markus Jelsma created SOLR-8059:
-----------------------------------

             Summary: NPE distributed DebugComponent
                 Key: SOLR-8059
                 URL: https://issues.apache.org/jira/browse/SOLR-8059
             Project: Solr
          Issue Type: Bug
    Affects Versions: 5.3
            Reporter: Markus Jelsma
             Fix For: 5.4


The following URL select?debug=true&q=*:*&fl=id,score yields

{code}
java.lang.NullPointerException
        at 
org.apache.solr.handler.component.DebugComponent.finishStage(DebugComponent.java:229)
        at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:416)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:2068)
        at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:669)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:462)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:210)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:179)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at 
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:745)

{code}

I can reproduce it everytime. Strange enough fl=*,score, or any other content 
field does not! I have seen this happening in Highlighter as well on the same 
code path. It makes little sense, how would fl influence that piece of code, 
the id is requested in fl afterall.



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