Pump stuck after exception

[hleb-albau]

11:02:26.937 [main] ERROR fund.cyber.pump.common.ChainPump - Error during processing stream
org.apache.http.NoHttpResponseException: parity_eth:8545 failed to respond
	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:141) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259) ~[httpcore-4.4.9.jar!/:4.4.9]
	at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163) ~[httpcore-4.4.9.jar!/:4.4.9]
	at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:165) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273) ~[httpcore-4.4.9.jar!/:4.4.9]
	at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125) ~[httpcore-4.4.9.jar!/:4.4.9]
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140) ~[httpclient-4.5.5.jar!/:4.5.5]
	at org.web3j.protocol.http.HttpService.send(HttpService.java:67) ~[core-2.3.0.jar!/:na]
	at org.web3j.protocol.core.Request.send(Request.java:69) ~[core-2.3.0.jar!/:na]
	at fund.cyber.pump.ethereum.client.EthereumBlockchainInterface.lastNetworkBlock(EthereumBlockchainInterface.kt:38) ~[classes!/:na]
	at fund.cyber.pump.common.node.ConcurrentPulledBlockchain.lastNetworkBlock(FlowableBlockchainInterface.kt) ~[common-pumps!/:na]
	at fund.cyber.pump.common.node.ConcurrentPulledBlockchain$generateAvailableBlocksNumbersRangesFunction$1.apply(FlowableBlockchainInterface.kt:34) ~[common-pumps!/:na]
	at fund.cyber.pump.common.node.ConcurrentPulledBlockchain$generateAvailableBlocksNumbersRangesFunction$1.apply(FlowableBlockchainInterface.kt:20) ~[common-pumps!/:na]
	at io.reactivex.internal.operators.flowable.FlowableGenerate$GeneratorSubscription.request(FlowableGenerate.java:109) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.drainLoop(FlowableFlatMap.java:545) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.drain(FlowableFlatMap.java:366) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$InnerSubscriber.onComplete(FlowableFlatMap.java:673) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlattenIterable$FlattenIterableSubscriber.checkTerminated(FlowableFlattenIterable.java:399) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlattenIterable$FlattenIterableSubscriber.drain(FlowableFlattenIterable.java:256) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlattenIterable$FlattenIterableSubscriber.onComplete(FlowableFlattenIterable.java:194) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.subscribers.BasicFuseableSubscriber.onComplete(BasicFuseableSubscriber.java:120) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.subscriptions.DeferredScalarSubscription.complete(DeferredScalarSubscription.java:120) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableToList$ToListSubscriber.onComplete(FlowableToList.java:86) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.drainLoop(FlowableFlatMap.java:426) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.drain(FlowableFlatMap.java:366) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$InnerSubscriber.onComplete(FlowableFlatMap.java:673) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.subscribers.BasicFuseableSubscriber.onComplete(BasicFuseableSubscriber.java:120) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableSubscribeOn$SubscribeOnSubscriber.onComplete(FlowableSubscribeOn.java:108) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.subscriptions.ScalarSubscription.request(ScalarSubscription.java:57) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableSubscribeOn$SubscribeOnSubscriber.requestUpstream(FlowableSubscribeOn.java:133) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableSubscribeOn$SubscribeOnSubscriber.onSubscribe(FlowableSubscribeOn.java:90) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableJust.subscribeActual(FlowableJust.java:34) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.Flowable.subscribe(Flowable.java:13234) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.Flowable.subscribe(Flowable.java:13180) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.operators.flowable.FlowableSubscribeOn$SubscribeOnSubscriber.run(FlowableSubscribeOn.java:82) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66) ~[rxjava-2.1.9.jar!/:na]
	at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57) ~[rxjava-2.1.9.jar!/:na]
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na]
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:299) ~[na:na]
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) ~[na:na]
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) ~[na:na]
	at java.base/java.lang.Thread.run(Thread.java:844) ~[na:na]