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Posted to dev@zookeeper.apache.org by "Johan Forssell (Jira)" <ji...@apache.org> on 2021/03/09 08:39:00 UTC
[jira] [Created] (ZOOKEEPER-4239) NullPointerException in
ContainerManager is still a thing
Johan Forssell created ZOOKEEPER-4239:
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Summary: NullPointerException in ContainerManager is still a thing
Key: ZOOKEEPER-4239
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4239
Project: ZooKeeper
Issue Type: Bug
Components: license
Affects Versions: 3.6.2, 3.5.9
Environment: * Docker preview for M1
* LINUX/arm64/v8 version of docker image
{code:java}
docker-compose up zookeeper
{code}
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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 still getting a NPE in ContainerManager, as descripbed in ZOOKEEPER-2464.
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...
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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