My bad. I found it at https://issues.apache.org/jira/browse/SOLR-9453 But I could not find it in changes.txt perhaps because its yet not resolved.
On Tue, Nov 21, 2017 at 9:15 AM, Erick Erickson <erickerick...@gmail.com> wrote: > Did you check the JIRA list? Or CHANGES.txt in more recent versions? > > On Tue, Nov 21, 2017 at 1:13 AM, S G <sg.online.em...@gmail.com> wrote: > > Hi, > > > > We are running 6.2 version of Solr and hitting this error frequently. > > > > Error while trying to recover. core=my_core:java.lang. > NullPointerException > > at org.apache.solr.update.PeerSync.handleUpdates( > PeerSync.java:605) > > at org.apache.solr.update.PeerSync.handleResponse( > PeerSync.java:344) > > at org.apache.solr.update.PeerSync.sync(PeerSync.java:257) > > at org.apache.solr.cloud.RecoveryStrategy.doRecovery( > RecoveryStrategy.java:376) > > at org.apache.solr.cloud.RecoveryStrategy.run( > RecoveryStrategy.java:221) > > at java.util.concurrent.Executors$RunnableAdapter. > call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at org.apache.solr.common.util.ExecutorUtil$ > MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229) > > at java.util.concurrent.ThreadPoolExecutor.runWorker( > ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run( > ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > > > > > > > Is this a known issue and fixed in some newer version? > > > > > > Thanks > > SG >