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From fanfarlo <fanfar...@gmail.com>
Subject CS 4.9 NIO Selector wait time PR-1601
Date Wed, 24 Aug 2016 10:56:34 GMT
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
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

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