The PR and fix already exists in 4.9.0 release. Please make sure to upgrade all of your management server(s) and KVM agents and then also restart them after the upgrade.
If you are seeing SSL handshake failures, it could be due to network or security issue and most likely due to mismatch between CloudStack mgmt server and KVM agent version. Regards. ________________________________ From: Will Stevens <williamstev...@gmail.com> Sent: 24 August 2016 18:17:17 To: dev@cloudstack.apache.org; Rohit Yadav Subject: Re: CS 4.9 NIO Selector wait time PR-1601 That PR is already merged, so you don't have to do anything to get that code, you already have it. @rohit, can you review this? I think this is a similar to the issue Simon reported earlier. Will On Aug 24, 2016 6:56 AM, "fanfarlo" <fanfar...@gmail.com<mailto:fanfar...@gmail.com>> wrote: hi all We have the following environment: - OS: Debian 14.04 (hypervisors and management) - 4 KVM Hosts - Cloudstack Release 4.9 with local database Since we upgraded to Release 4.9 the KVM hosts no longer connect to the management Server. Upgrade procedure was followed as described: http://docs.cloudstack.apache.org/projects/cloudstack-release-notes/en/4.9.0/upgrade/upgrade-4.8.html On the KVM hosts we have the following error message: /2016-08-24 10:42:49,678 INFO [utils.exception.CSExceptionErrorCode] (main:null) (logid:) Could not find exception: com.cloud.utils.exception.NioConnectionException in error code list for exceptions 2016-08-24 10:42:49,678 WARN [cloud.agent.Agent] (main:null) (logid:) NIO Connection Exception com.cloud.utils.exception.NioConnectionException: SSL Handshake failed while connecting to host: 10.100.12.10 port: 8250 2016-08-24 10:42:49,678 INFO [cloud.agent.Agent] (main:null) (logid:) Attempted to connect to the server, but received an unexpected exception, trying again... 2016-08-24 10:42:54,679 INFO [utils.nio.NioClient] (main:null) (logid:) Connecting to 10.100.12.10:8250<http://10.100.12.10:8250> 2016-08-24 10:42:54,684 WARN [utils.nio.Link] (main:null) (logid:) This SSL engine was forced to close inbound due to end of stream. 2016-08-24 10:42:54,684 ERROR [utils.nio.NioClient] (main:null) (logid:) SSL Handshake failed while connecting to host: 10.100.12.10 port: 8250 2016-08-24 10:42:54,685 ERROR [utils.nio.NioConnection] (main:null) (logid:) Unable to initialize the threads. java.io.IOException: SSL Handshake failed while connecting to host: 10.100.12.10 port: 8250 at com.cloud.utils.nio.NioClient.init(NioClient.java:67) at com.cloud.utils.nio.NioConnection.start(NioConnection.java:88) at com.cloud.agent.Agent.start(Agent.java:237) at com.cloud.agent.AgentShell.launchAgent(AgentShell.java:399) at com.cloud.agent.AgentShell.launchAgentFromClassInfo(AgentShell.java:367) at com.cloud.agent.AgentShell.launchAgent(AgentShell.java:351) at com.cloud.agent.AgentShell.start(AgentShell.java:456) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.commons.daemon.support.DaemonLoader.start(DaemonLoader.java:243) 2016-08-24 10:42:54,685 INFO [utils.exception.CSExceptionErrorCode] (main:null) (logid:) Could not find exception: com.cloud.utils.exception.NioConnectionException in error code list for exceptions 2016-08-24 10:42:54,685 WARN [cloud.agent.Agent] (main:null) (logid:) NIO Connection Exception com.cloud.utils.exception.NioConnectionException: SSL Handshake failed while connecting to host: 10.100.12.10 port: 8250 2016-08-24 10:42:54,686 INFO [cloud.agent.Agent] (main:null) (logid:) Attempted to connect to the server, but received an unexpected exception, trying again.../ Port is open on the management server, there is no firewall in between. We found that there was a bug report here: https://issues.apache.org/jira/browse/CLOUDSTACK-9348. There is a PR changing the NIO Selector wait time: https://github.com/apache/cloudstack/pull/1601 which was merged into master branch. Since we installed Release 4.9 we probably need to patch the NioConection.class as described in PR1601 , right? kvm03# unzip -v /usr/share/cloudstack-agent/lib/cloud-utils-4.9.0.jar | grep NioConnection 3923 Defl:N 1778 55% 2016-08-02 09:28 05aaf7d5 com/cloud/utils/nio/NioConnection$1.class 881 Defl:N 495 44% 2016-08-02 09:28 e378984c com/cloud/utils/nio/NioConnection$ChangeRequest.class 15410 Defl:N 7130 54% 2016-08-02 09:28 b3281f5a com/cloud/utils/nio/NioConnection.class 1134 Defl:N 584 49% 2016-08-02 09:28 8d5cb4a8 com/cloud/utils/exception/NioConnectionException.class Due to a lack of java expertise we have some basic questions: - Is there a patched jar file available ? public build server? - Do we need to create the jar from sources ? procedure? - How do we apply the patch ? many thanks! fanfarlo rohit.ya...@shapeblue.com www.shapeblue.com 53 Chandos Place, Covent Garden, London WC2N 4HSUK @shapeblue
