java.util.ConcurrentModificationException: null
at java.base/java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:1023)
at java.base/java.util.LinkedHashMap$LinkedKeyIterator.next(LinkedHashMap.java:1046)
at io.vertx.spi.cluster.zookeeper.impl.SubsMapHelper.lambda$childEvent$14(SubsMapHelper.java:187)
at io.vertx.core.impl.ContextInternal.dispatch(ContextInternal.java:279)
at io.vertx.core.impl.ContextInternal.dispatch(ContextInternal.java:261)
at io.vertx.core.impl.ContextInternal.lambda$runOnContext$0(ContextInternal.java:59)
at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:994)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:1583)
Version
4.5.8
Extra
Collections.synchronizedSet is not synchronized in a useful way.
Using CopyOnWriteArraySet might be a good way.
Questions
Found the following error message on my system.
Version
4.5.8
Extra
Collections.synchronizedSet is not synchronized in a useful way. Using CopyOnWriteArraySet might be a good way.
io.vertx.spi.cluster.zookeeper.impl.SubsMapHelper (line: 86)
io.vertx.spi.cluster.zookeeper.impl.SubsMapHelper (line: 186)