gthvidsten opened a new issue #385:
URL: https://github.com/apache/solr-operator/issues/385
I've installed the SolrCloud with just about all default values except for
storage, where I've added a `storageClassName` to both Zookeeper and Solr.
When I'm accessing `Cloud > ZK Status` in the Solr web interface (after
portforwarding to the "common" service) I get a mostly empty screen containing
only this:
```
Status:
ZK connection string:
Ensemble size:
Ensemble mode:
```
With the following error message at the top: `For input string: "null"`
If I go to the `Logging` in the Solr web interface the log is very quickly
filled with these two errors:
```
RequestHandlerBase | java.lang.NumberFormatException: For input string:
"null"
HttpSolrCall | null:java.lang.NumberFormatException: For input string: "null"
```
I guess these other errors appear on startup and they seem to be be very
related to ZK:
```
ERROR | StaticHostProvider | Unable to resolve address:
example-solrcloud-zookeeper-1.example-solrcloud-zookeeper-headless.default.svc.cluster.local:2181
WARN | ClientCnxn | Session 0x0 for server
example-solrcloud-zookeeper-1.example-solrcloud-zookeeper-headless.default.svc.cluster.local:2181,​
unexpected error,​ closing socket connection and attempting reconnect
ERROR | StaticHostProvider | Unable to resolve address:
example-solrcloud-zookeeper-2.example-solrcloud-zookeeper-headless.default.svc.cluster.local:2181
WARN | ClientCnxn | Session 0x0 for server
example-solrcloud-zookeeper-2.example-solrcloud-zookeeper-headless.default.svc.cluster.local:2181,​
unexpected error,​ closing socket connection and attempting reconnect
ERROR | StaticHostProvider | Unable to resolve address:
example-solrcloud-zookeeper-2.example-solrcloud-zookeeper-headless.default.svc.cluster.local:2181
WARN | ClientCnxn | Session 0x0 for server
example-solrcloud-zookeeper-2.example-solrcloud-zookeeper-headless.default.svc.cluster.local:2181,​
unexpected error,​ closing socket connection and attempting reconnect
WARN | ScheduledTrigger | ScheduledTrigger was not able to run event at
scheduled time: 2021-12-11T09:09:16.986Z. Now: 2021-12-11T17:14:46.438Z
```
Looking at the pod logs from i.e. `example-solrcloud-zookeeper-0` I can see
the following warnings and errors (some of them repeating multiple times):
```
WARN [QuorumConnectionThread-[myid=1]-1:QuorumCnxManager@400] - Cannot open
channel to 2 at election address
example-solrcloud-zookeeper-1.example-solrcloud-zookeeper-headless.default.svc.cluster.local:3888
java.net.UnknownHostException:
example-solrcloud-zookeeper-1.example-solrcloud-zookeeper-headless.default.svc.cluster.local
at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
at java.base/java.net.Socket.connect(Unknown Source)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.initiateConnection(QuorumCnxManager.java:383)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager$QuorumConnectionReqThread.run(QuorumCnxManager.java:457)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
WARN [SyncThread:1:QuorumPeer@1775] - Restarting Leader Election
WARN [NIOWorkerThread-2:NIOServerCnxn@364] - Unexpected exception
EndOfStreamException: Unable to read additional data from client, it
probably closed the socket: address = /10.240.0.54:54618, session =
0x100000911bc0000
at
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
at
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326)
at
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
at
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
ERROR [LearnerHandler-/10.240.0.54:54148:LearnerHandler@707] - Unexpected
exception causing shutdown while sock still open
java.net.SocketException: Connection reset
at java.base/java.net.SocketInputStream.read(Unknown Source)
at java.base/java.net.SocketInputStream.read(Unknown Source)
at java.base/java.io.BufferedInputStream.fill(Unknown Source)
at java.base/java.io.BufferedInputStream.read(Unknown Source)
at java.base/java.io.DataInputStream.readInt(Unknown Source)
at
org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:96)
at
org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:86)
at
org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:134)
at
org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:643)
WARN [LearnerHandler-/10.240.0.54:54148:LearnerHandler@730] - *******
GOODBYE /10.240.0.54:54148 ********
WARN [NIOWorkerThread-2:NIOServerCnxn@364] - Unexpected exception
EndOfStreamException: Unable to read additional data from client, it
probably closed the socket: address = /10.240.0.54:54832, session =
0x100000911bc0002
at
org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:163)
at
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:326)
at
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
at
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
```
What is going on here? How can it be fixed?
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