Hmmm, can we have some more details here? What version of Solr? What exactly did you do in the UI? What was the state of your index (i.e. adding documents from some other process? etc.).
Best Erick On Wed, May 2, 2012 at 8:17 AM, mechravi25 <mechrav...@yahoo.co.in> wrote: > Hi, > > > When I tried to remove a data from UI (which will in turn hit SOLR), the > whole application got stuck up. When we took the log files of the UI, we > could see that this set of requests did not reach SOLR itself. In the SOLR > log file, we were able to find the following exception occuring at the same > time. > > > SEVERE: org.apache.solr.common.SolrException: > null__javalangNullPointerException_ > > null__javalangNullPointerException_ > > request: http://solr/coreX/select > at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request > at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request > at org.apache.solr.handler.component.HttpCommComponent$1.call > at org.apache.solr.handler.component.HttpCommComponent$1.call > at java.util.concurrent.FutureTask$Sync.innerRun > at java.util.concurrent.FutureTask.run > at java.util.concurrent.Executors$RunnableAdapter.call > at java.util.concurrent.FutureTask$Sync.innerRun > at java.util.concurrent.FutureTask.run > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask > at java.util.concurrent.ThreadPoolExecutor$Worker.run > at java.lang.Thread.run > > > This situation resulted for another few hours. No one was able to perform > any operation with the application and If any one tried to perform any > action, it resulted in the above exception during that period. But, this > situation resolved by itself after few hours and it started working like > normal. Can you tell me if this situation was due to deadlock condition or > was it due to the CPU utilization going beyond 100%? If it was due to the > deadloack, then why did we not get any such messages in the log files?Or is > it due to some other problem?Am I missing anything? Can you guide me on > this? > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Null-Pointer-Exception-in-SOLR-tp3954952.html > Sent from the Solr - User mailing list archive at Nabble.com.
