yabinmeng opened a new issue #9549:
URL: https://github.com/apache/pulsar/issues/9549
**Describe the bug**
I'm testing pulsar topic compaction using both `pulsar-admin topics compact`
and `pulsar compact-topic` commands.
* `pulsar-admin topics compact` command works fine
* `pulsar compact-topic` command fails right away
I tested with versions 2.6.3 and 2.7.0. Both fail, but with different errors.
**2.6.3** (**NOTE**: my pulsar cluster doesn't have any security feature,
including TLS, enabled at all)
```
5:40.800 [pulsar-client-io-11-1] INFO
org.apache.pulsar.client.impl.ConnectionPool - [[id: 0x9b33e1cf,
L:/10.101.32.196:52186 -
R:ip-10-101-32-196.srv101.dsinternal.org/10.101.32.196:6651]] Connected to
server
20:25:40.824 [pulsar-client-io-11-1] WARN
org.apache.pulsar.client.impl.ClientCnx - Error during handshake
java.nio.channels.ClosedChannelException: null
at
io.netty.handler.ssl.SslHandler.channelInactive(SslHandler.java:1076)
[io.netty-netty-handler-4.1.48.Final.jar:4.1.48.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
... ...
```
**2.7.0**
```
Exception in thread "main" java.util.concurrent.ExecutionException:
java.lang.NullPointerException
at
java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
at
java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908)
at
org.apache.pulsar.compaction.CompactorTool.main(CompactorTool.java:108)
Caused by: java.lang.NullPointerException
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:878)
at
org.apache.bookkeeper.zookeeper.ZooKeeperClient$Builder.build(ZooKeeperClient.java:225)
at
org.apache.pulsar.zookeeper.ZookeeperBkClientFactoryImpl.lambda$0(ZookeeperBkClientFactoryImpl.java:55)
at
org.apache.bookkeeper.util.SafeRunnable$2.safeRun(SafeRunnable.java:73)
at
org.apache.bookkeeper.common.util.SafeRunnable.run(SafeRunnable.java:36)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
```
**To Reproduce**
Steps to reproduce the behavior:
1. Create a producer and publish some messages to a topic
2. Run `pulsar compact-topic --topic <topic_name>`
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Desktop (please complete the following information):**
- OS: [e.g. iOS]
**Additional context**
Add any other context about the problem here.
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