Unable to install standalone user operator and topic operator.

Issue

• When we are trying to install standalone topic or user operator, we are getting below error in the pod logs.

2021-05-28 08:54:52 INFO  ClientCnxn:1112 - Opening socket connection to server test-1-zookeeper-client1.svc.cluster.local/IP:2181. Will not attempt to authenticate using SASL (unknown error)
May 28, 2021 8:54:53 AM io.vertx.core.impl.BlockedThreadChecker
WARNING: Thread Thread[vert.x-eventloop-thread-0,5,main]=Thread[vert.x-eventloop-thread-0,5,main] has been blocked for 2298 ms, time limit is 2000 ms
May 28, 2021 8:54:54 AM io.vertx.core.impl.BlockedThreadChecker
WARNING: Thread Thread[vert.x-eventloop-thread-0,5,main]=Thread[vert.x-eventloop-thread-0,5,main] has been blocked for 3298 ms, time limit is 2000 ms
May 28, 2021 8:54:55 AM io.vertx.core.impl.BlockedThreadChecker
WARNING: Thread Thread[vert.x-eventloop-thread-0,5,main]=Thread[vert.x-eventloop-thread-0,5,main] has been blocked for 4299 ms, time limit is 2000 ms
May 28, 2021 8:54:56 AM io.vertx.core.impl.BlockedThreadChecker
WARNING: Thread Thread[vert.x-eventloop-thread-0,5,main]=Thread[vert.x-eventloop-thread-0,5,main] has been blocked for 5298 ms, time limit is 2000 ms
io.vertx.core.VertxException: Thread blocked
        at java.base@11.0.11/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@11.0.11/java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:275)
        at java.base@11.0.11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitUntil(AbstractQueuedSynchronizer.java:2166)
        at app//org.I0Itec.zkclient.ZkClient.waitForKeeperState(ZkClient.java:944)
        at app//org.I0Itec.zkclient.ZkClient.waitUntilConnected(ZkClient.java:926)
        at app//org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:1231)
        at app//org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:157)
        at app//org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:131)
        at app//org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:98)
        at app//io.strimzi.operator.user.operator.ScramShaCredentials.<init>(ScramShaCredentials.java:35)
        at app//io.strimzi.operator.user.Main.lambda$run$2(Main.java:85)
        at app//io.strimzi.operator.user.Main$$Lambda$234/0x00000008402b1c40.apply(Unknown Source)
        at app//io.vertx.core.Future.lambda$compose$3(Future.java:368)
        at app//io.vertx.core.Future$$Lambda$236/0x00000008402b2840.handle(Unknown Source)
        at app//io.vertx.core.impl.FutureImpl.dispatch(FutureImpl.java:105)
        at app//io.vertx.core.impl.FutureImpl.tryComplete(FutureImpl.java:150)
        at app//io.vertx.core.impl.FutureImpl.complete(FutureImpl.java:111)
        at app//io.strimzi.operator.user.Main.lambda$createAdminClient$3(Main.java:135)
        at app//io.strimzi.operator.user.Main$$Lambda$233/0x00000008402b1840.handle(Unknown Source)
        at app//io.vertx.core.impl.FutureImpl.dispatch(FutureImpl.java:105)
        at app//io.vertx.core.impl.FutureImpl.tryComplete(FutureImpl.java:150)
        at app//io.vertx.core.impl.FutureImpl.complete(FutureImpl.java:111)
        at app//io.vertx.core.impl.FutureImpl.handle(FutureImpl.java:176)
        at app//io.vertx.core.impl.CompositeFutureImpl.doComplete(CompositeFutureImpl.java:252)
        at app//io.vertx.core.impl.CompositeFutureImpl.lambda$join$3(CompositeFutureImpl.java:110)
        at app//io.vertx.core.impl.CompositeFutureImpl$$Lambda$232/0x00000008402b0440.handle(Unknown Source)
        at app//io.vertx.core.impl.FutureImpl.dispatch(FutureImpl.java:105)
        at app//io.vertx.core.impl.FutureImpl.tryComplete(FutureImpl.java:150)
        at app//io.vertx.core.impl.FutureImpl.complete(FutureImpl.java:111)
        at app//io.vertx.core.impl.FutureImpl.handle(FutureImpl.java:176)
        at app//io.vertx.core.impl.FutureImpl.handle(FutureImpl.java:21)
        at app//io.vertx.core.impl.ContextImpl.lambda$null$0(ContextImpl.java:327)
        at app//io.vertx.core.impl.ContextImpl$$Lambda$252/0x0000000840348040.handle(Unknown Source)
        at app//io.vertx.core.impl.ContextImpl.executeTask(ContextImpl.java:366)
        at app//io.vertx.core.impl.EventLoopContext.lambda$executeAsync$0(EventLoopContext.java:38)
        at app//io.vertx.core.impl.EventLoopContext$$Lambda$253/0x0000000840348440.run(Unknown Source)
        at app//io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
        at app//io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
        at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
        at app//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
        at app//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
        at app//io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
        at java.base@11.0.11/java.lang.Thread.run(Thread.java:829)