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https://issues.apache.org/jira/browse/SOLR-2124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13224608#comment-13224608
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James Dyer commented on SOLR-2124:
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I think this is still a problem. I have a snapshot from 1/31 (post-2191 and
its children) and it still logs a whole stack trace every time the load
balancer pings it, if the "service-enabled" file is missing. This is a pretty
big annoyance for me because I often use a "live", load-balanced dev
environment to test new versions with the testing node taken "out" using this
ping feature. If nobody else does anything, I'll likely be annoyed enough to
fix it eventually.
> SEVERE exceptions are being logged for expected PingRequestHandler
> SERVICE_UNAVAILABLE exceptions
> -------------------------------------------------------------------------------------------------
>
> Key: SOLR-2124
> URL: https://issues.apache.org/jira/browse/SOLR-2124
> Project: Solr
> Issue Type: Bug
> Reporter: Hoss Man
> Assignee: Erick Erickson
> Fix For: 3.6, 4.0
>
>
> As reported by a user, if you use the PingRequestHandler, and the
> corrisponding helthcheck file doesn't exist (and expected situation when a
> server is out of rotation) Solr is logging a SEVERE error...
> {noformat}
> SEVERE: org.apache.solr.common.SolrException: Service disabled
> at
> org.apache.solr.handler.PingRequestHandler.handleRequestBody(PingRequestHandler.java:48)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1324)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:337)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:240)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> at
> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> {noformat}
> This is in spite of hte fact that PingRequestHandler explicitly sets the
> "alreadyLogged" boolean to true in the SolrException constructor.
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