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