Caused by: org.apache.http.NoHttpResponseException: <<Targetserver>> failed to respond

[Nandan_Kumar]

We are seeing some issue in our Bitbucket and Jira where they both are integarted by crowd.

While logging into Bitbucket , We see intermittent issues with error message remote authentication failed. upon checking logs found below.

Caused by: com.atlassian.crowd.exception.runtime.OperationFailedException: null
at com.atlassian.crowd.embedded.core.CrowdServiceImpl.convertOperationFailedException(CrowdServiceImpl.java:945)
at com.atlassian.crowd.embedded.core.CrowdServiceImpl.authenticate(CrowdServiceImpl.java:87)
at com.atlassian.stash.internal.crowd.RiotPolice.doAuthenticate(RiotPolice.java:711)
... 32 common frames omitted
Caused by: org.apache.http.NoHttpResponseException: <<Targetserver>> failed to respond
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:141)
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:165)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
at org.apache.http.impl.client.cache.CachingExec.callBackend(CachingExec.java:593)
at org.apache.http.impl.client.cache.CachingExec.execute(CachingExec.java:270)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
at com.atlassian.crowd.integration.rest.service.RestExecutor$MethodExecutor.executeCrowdServiceMethod(RestExecutor.java:574)
at com.atlassian.crowd.integration.rest.service.RestExecutor$MethodExecutor.andReceive(RestExecutor.java:413)
at com.atlassian.crowd.integration.rest.service.RestCrowdClient.authenticateUser(RestCrowdClient.java:162)
at com.atlassian.crowd.directory.RemoteCrowdDirectory.authenticate(RemoteCrowdDirectory.java:195)
at com.atlassian.crowd.directory.DbCachingRemoteDirectory.authenticateAndUpdateInternalUser(DbCachingRemoteDirectory.java:247)
at com.atlassian.crowd.directory.DbCachingRemoteDirectory.authenticate(DbCachingRemoteDirectory.java:158)
at com.atlassian.crowd.manager.directory.DirectoryManagerGeneric.authenticateUser(DirectoryManagerGeneric.java:317)
at com.atlassian.stash.internal.crowd.CustomizedDirectoryManager.authenticateUser(CustomizedDirectoryManager.java:52)
at com.atlassian.crowd.manager.application.ApplicationServiceGeneric.authenticateUser(ApplicationServiceGeneric.java:199)
at com.atlassian.stash.internal.crowd.CustomizedApplicationService.authenticateUser(CustomizedApplicationService.java:50)
at com.atlassian.crowd.embedded.core.CrowdServiceImpl.authenticate(CrowdServiceImpl.java:75)
... 33 common frames omitted