Johan Forssell created ZOOKEEPER-4238:
-----------------------------------------
Summary: NullPointerException in ContainerManager is still a thing
Key: ZOOKEEPER-4238
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4238
Project: ZooKeeper
Issue Type: Bug
Affects Versions: 3.6.2, 3.5.9
Environment: - Macbook Pro M1 2020
- [Docker Desktop preview
3.1.0|https://docs.docker.com/docker-for-mac/apple-m1/] (2021-02-11)
- Docker image *zookeeper:3.6.2* (LATEST) on *OS/ARCH: linux/arm64/v8*
I'm starting the instance with
{{> docker-compose up zookeeper}}
{noformat}
version: '3.5'
services:
zookeeper:
image: zookeeper
container_name: COMPANY-zookeeper
restart: unless-stopped
hostname: zookeeper
ports:
- "2181:2181"
environment:
ZOO_PORT: 2181
ZOO_SERVERS: server.1=zookeeper:2888:3888
volumes:
- ../.env/zookeeper_data:/var/lib/zookeeper/data
- ../.env/zookeeper_txn_logs:/var/lib/zookeeper/log
networks:
- COMPANY
{noformat}
Reporter: Johan Forssell
Attachments: excerpt-from-log.txt
I'm running Zookeeper from the latest docker image. Also tried 3.5.9.
After 1 minute I´m getting the same error as in ZOOKEEPER-2464: NPE in
{{ContainerManager.getCandidates(ContainerManager.java:161)}}
{noformat}
...
COMPANY-zookeeper | 2021-03-09 07:57:21,320 [myid:1] - INFO [main:Server@399]
- Started @445ms
COMPANY-zookeeper | 2021-03-09 07:57:21,320 [myid:1] - INFO
[main:JettyAdminServer@182] - Started AdminServer on address 0.0.0.0, port 8080
and command URL /commands
COMPANY-zookeeper | 2021-03-09 07:57:21,321 [myid:1] - INFO
[main:ContainerManager@83] - Using checkIntervalMs=60000 maxPerMinute=10000
maxNeverUsedIntervalMs=0
COMPANY-zookeeper | 2021-03-09 07:57:21,322 [myid:1] - INFO
[main:ZKAuditProvider@42] - ZooKeeper audit is disabled.
COMPANY-zookeeper | 2021-03-09 07:58:21,331 [myid:1] - ERROR
[ContainerManagerTask:ContainerManager$1@102] - Error checking containers
COMPANY-zookeeper | java.lang.NullPointerException
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager.getCandidates(ContainerManager.java:161)
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager.checkContainers(ContainerManager.java:128)
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager$1.run(ContainerManager.java:96)
COMPANY-zookeeper | at java.base/java.util.TimerThread.mainLoop(Unknown
Source)
COMPANY-zookeeper | at java.base/java.util.TimerThread.run(Unknown Source)
COMPANY-zookeeper | 2021-03-09 07:59:21,326 [myid:1] - ERROR
[ContainerManagerTask:ContainerManager$1@102] - Error checking containers
COMPANY-zookeeper | java.lang.NullPointerException
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager.getCandidates(ContainerManager.java:161)
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager.checkContainers(ContainerManager.java:128)
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager$1.run(ContainerManager.java:96)
COMPANY-zookeeper | at java.base/java.util.TimerThread.mainLoop(Unknown
Source)
COMPANY-zookeeper | at java.base/java.util.TimerThread.run(Unknown Source)
COMPANY-zookeeper | 2021-03-09 08:00:21,325 [myid:1] - ERROR
[ContainerManagerTask:ContainerManager$1@102] - Error checking containers
COMPANY-zookeeper | java.lang.NullPointerException
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager.getCandidates(ContainerManager.java:161)
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager.checkContainers(ContainerManager.java:128)
COMPANY-zookeeper | at
org.apache.zookeeper.server.ContainerManager$1.run(ContainerManager.java:96)
COMPANY-zookeeper | at java.base/java.util.TimerThread.mainLoop(Unknown
Source)
COMPANY-zookeeper | at java.base/java.util.TimerThread.run(Unknown Source)
COMPANY-zookeeper | 2021-03-09 08:01:21,322 [myid:1] - ERROR
[ContainerManagerTask:ContainerManager$1@102] - Error checking containers
...
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