eolivelli opened a new issue #3258: Error with BookKeeper 4.8.1 and Pulsar 2.2.0 URL: https://github.com/apache/pulsar/issues/3258 #### Expected behavior I am able to run a Pulsar Broker (2.2.0) having BookKeeper 4.8.1 client on the classpath. #### Actual behavior I have this error using v3 protocol. with v2 the error is not logged but with a debugger I see it is mostly the same. ``` 18-12-27-12-26-42 io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1 io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1 at io.netty.buffer.AbstractReferenceCountedByteBuf.toLiveRealCnt(AbstractReferenceCountedByteBuf.java:181) at io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:133) at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:124) at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:88) at org.apache.bookkeeper.proto.checksum.DigestManager.computeDigestAndPackageForSending(DigestManager.java:131) at org.apache.bookkeeper.client.PendingAddOp.safeRun(PendingAddOp.java:243) at org.apache.bookkeeper.common.util.SafeRunnable.run(SafeRunnable.java:36) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:844) ``` #### Steps to reproduce I have created a unit test inside by non-public application. Maybe just by replacing the BookKeeper dependency core Pulsar tests should fail. But I did not try #### System configuration **Pulsar version**: 2.2.0
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