[SOLR-8059] NPE distributed DebugComponent

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 5.3
• Fix Version/s: 5.3.2, 5.4.1, 5.5
• Assignee: David Smiley
• Reporter: Markus Jelsma
• Created: 16/Sep/15 09:47
• Updated: 02/Oct/19 17:24
• Resolved: 21/Dec/15 16:58

Description

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

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)

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.

Issue Links

• is related to: SOLR-8060 NPE distributed HighlightComponent
• relates to: SOLR-8419 TermVectorComponent distributed-search issues