Thanks a lot Rupert.
On Fri, Nov 15, 2013 at 8:03 PM, Rupert Westenthaler < rupert.westentha...@gmail.com> wrote: > Hi Dileepa, > > Stanbol can not throw a "Connection refused". This is thrown by the > client - in your example the Solr ImportHandler - when it con not > connect to the configured Stanbol Server. If you see this exception it > means that the client is not able to establish an TCP connection with > the receiving host (e.g. because there is no service listening to the > specified Port). > > If you use the standalone server an embedded Jetty is used to provide > the HTTP service. AFAIK Jetty does not refuse any connection, but uses > an unlimited queue by default. However I found [2] that connections > can be rejected on the OS level resulting in Connection Refused > messages. If you use the WAR launcher you will need to look at the > configuration of the used Web Container such as Apache Tomcat. > > I would recommend you to use the Stanbol Stress test tool for > performance testing your Stanbol configuration. By that you can easily > test what happens if you increase the number of concurrent threads. > > hope this helps > Rupert > > > [1] http://stanbol.apache.org/docs/trunk/utils/enhancerstresstest > [2] http://wiki.eclipse.org/Jetty/Howto/High_Load#Queue_Sizes > > On Fri, Nov 15, 2013 at 12:04 PM, Dileepa Jayakody > <dileepajayak...@gmail.com> wrote: > > Hi All, > > > > I'm doing a project using Stanbol to enhance content of an external Solr > > index. > > What I basically do is I call Stanbol enhancer endpoint when indexing > > documents in Solr to enhance particular field values by extracting > Person, > > Organization entities. > > In Solr dataimport handler we can import large number of documents into > > Solr index, and for each document indexed I'm calling Stanbol enhancer to > > perform enhancements on the content. > > > > I tested my setup manually indexing 1 document, and it works fine. > > However when I trigger a dataimport in Solr with a big number of > documents > > being indexed, the Stanbol server throws Connection Refused erros as > below > > [1]; > > I assume this is because huge number of concurrent connections to > Stanbol. > > > > Is there a concurrent request threshold for Stanbol? > > How can I increase it? > > > > Thanks, > > Dileepa > > [1] > > com.sun.jersey.api.client.ClientHandlerException: > > java.net.ConnectException: Connection refused > > at > > > com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:151) > > at com.sun.jersey.api.client.Client.handle(Client.java:648) > > at com.sun.jersey.api.client.WebResource.handle(WebResource.java:680) > > at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74) > > at > com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:558) > > at > > > com.solr.stanbol.processor.StanbolContentProcessorFactory.stanbolPost(StanbolContentProcessorFactory.java:115) > > at > > > com.solr.stanbol.processor.StanbolContentProcessorFactory.access$1(StanbolContentProcessorFactory.java:109) > > at > > > com.solr.stanbol.processor.StanbolContentProcessorFactory$StanbolContentProcessor.processAdd(StanbolContentProcessorFactory.java:70) > > > > -- > | Rupert Westenthaler rupert.westentha...@gmail.com > | Bodenlehenstraße 11 ++43-699-11108907 > | A-5500 Bischofshofen >
