Seeing a zookeeper_data? (directory name with ?ending) along with zookeeper_data and zookeeper_server.pid is only file in that directory ending with ? where as all other files are under zookeeper_data directory.
Not really sure why this new folder with ? created , is that a known issue with zookeeper? Solr : 8.2 Zookeeper: 3.4.14 zoo.cfg got a correct entry for data and log folder path's seeing these errors intermittently in zookeeper_out log file 2021-04-19 00:28:59,872 [myid:2] - ERROR [LearnerHandler-/xxx.xxx.xxx.xxxx:50700:LearnerHandler@648] - Unexpected exception causing shutdown while sock still open java.net.SocketException: Connection reset at java.base/java.net.SocketInputStream.read(SocketInputStream.java:186) at java.base/java.net.SocketInputStream.read(SocketInputStream.java:140) at java.base/java.io.BufferedInputStream.fill(BufferedInputStream.java:252) at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:271) at java.base/java.io.DataInputStream.readInt(DataInputStream.java:392) at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63) at org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:85) at org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:99) at org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:325) Can I get a help in understanding this error? and why the duplicate zookeeper_data? was spinned out here? -- Thanks & Regards, Yaswanth Kumar Konathala. yaswanth...@gmail.com