[SOLR-7459] Collections API LIST command times out sporadically

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 4.10.4, 5.0
• Component/s: SolrCloud
• Assignee: Unassigned
• Reporter: Alexey Serba
• Created: 24/Apr/15 08:12
• Updated: 05/Feb/16 18:28
• Resolved: 01/Jul/15 13:48

Description

I see /collections?action=LIST command times out and fails sporadically with

"exception"

15:48:32.433 [qtp1897554826-942] ERROR org.apache.solr.servlet.SolrDispatchFilter - null:org.apache.solr.common.SolrException: LIST the collection time out:180s
	at org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:630)
	at org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:582)
	at org.apache.solr.handler.admin.CollectionsHandler.handleListAction(CollectionsHandler.java:947)
	at org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(CollectionsHandler.java:252)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:144)
	at org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:736)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:261)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:204)
	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:497)
	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)

Just listing collection names shouldn't take that long, no?

Issue Links

• relates to: SOLR-8152 Overseer Task Processor/Queue can miss responses, leading to timeouts
• relates to: SOLR-7049 Move work done by the LIST Collections API call to the Collections Handler