I changed the mvn version, but still i am getting this issue. This is the
complete log. I am using *Kenral 5.1.0*
JAVA_HOME environment variable is set to /usr/lib/jvm/jdk1.8.0_102
CARBON_HOME environment variable is set to
/home/product-is/product/target/wso2is-6.0.0-SNAPSHOT
Listening for transport dt_socket at address: 5005
[2017-02-20 23:18:57,183] INFO
{org.wso2.carbon.launcher.extensions.DropinsBundleDeployerUtils
updateDropins} - Successfully updated the OSGi bundle information of Carbon
Profile: default
osgi> [2017-02-20 23:19:10,338] INFO
{org.wso2.carbon.metrics.core.config.model.JmxReporterConfig} - Creating
JMX reporter for Metrics with domain 'org.wso2.carbon.metrics'
[2017-02-20 23:19:10,356] INFO
{org.wso2.carbon.metrics.core.reporter.impl.AbstractReporter} - Started JMX
reporter for Metrics
[2017-02-20 23:19:10,371] INFO
{org.wso2.msf4j.analytics.metrics.MetricsComponent} - Metrics Component is
activated
[2017-02-20 23:19:10,424] WARN
{org.wso2.carbon.kernel.internal.startupresolver.StartupComponentManager} -
Adding a RequiredCapabilityListener from
bundle(org.wso2.carbon.security.caas:1.0.0), but specified startup
component is not available, component-name: wso2-caas
[2017-02-20 23:19:10,513] INFO
{org.wso2.msf4j.internal.MicroservicesRegistryImpl} - Added microservice:
org.wso2.msf4j.swagger.SwaggerDefinitionService@35c12c7a
[2017-02-20 23:19:10,527] INFO
{org.wso2.msf4j.internal.MicroservicesRegistryImpl} - Added microservice:
org.wso2.carbon.identity.gateway.resource.GatewayResource@1e58512c
[2017-02-20 23:19:10,576] INFO {com.zaxxer.hikari.HikariDataSource} -
HikariPool-0 - is starting.
[2017-02-20 23:19:10,897] INFO {org.wso2.carbon.uuf.internal.UUFServer} -
RenderableCreator
'org.wso2.carbon.uuf.renderablecreator.hbs.internal.HbsRenderableCreator'
registered for [hbs] extensions.
[2017-02-20 23:19:10,910] INFO {org.wso2.carbon.uuf.internal.UUFServer} -
RenderableCreator
'org.wso2.carbon.uuf.renderablecreator.html.internal.HtmlRenderableCreator'
registered for [html] extensions.
[2017-02-20 23:19:11,437] INFO {com.zaxxer.hikari.HikariDataSource} -
HikariPool-1 - is starting.
[2017-02-20 23:19:13,906] INFO
{org.wso2.carbon.identity.mgt.store.connector.jdbc.internal.ConnectorComponent}
- JDBC user store bundle successfully activated.
[2017-02-20 23:19:13,993] INFO
{org.wso2.carbon.metrics.jdbc.core.config.model.JdbcReporterConfig} -
Creating JDBC reporter for Metrics with source 'carbon-kernel', data source
'java:comp/env/jdbc/WSO2MetricsDB' and 60 seconds polling period
[2017-02-20 23:19:14,020] INFO
{org.wso2.carbon.metrics.core.reporter.impl.AbstractReporter} - Started
JDBC reporter for Metrics
[2017-02-20 23:19:14,368] WARN
{org.wso2.carbon.kernel.internal.startupresolver.StartupComponentManager} -
You are trying to add an available capability
org.wso2.carbon.deployment.engine.Deployer from
bundle(org.wso2.carbon.identity.gateway:1.0.0.SNAPSHOT) to an already
activated startup listener component carbon-deployment-service in
bundle(org.wso2.carbon.deployment.engine:5.0.0). Refer the Startup Order
Resolver documentation and validated your configuration
[2017-02-20 23:19:14,379] WARN
{org.wso2.carbon.kernel.internal.startupresolver.StartupComponentManager} -
You are trying to add an available capability
org.wso2.carbon.deployment.engine.Deployer from
bundle(org.wso2.carbon.identity.gateway:1.0.0.SNAPSHOT) to an already
activated startup listener component carbon-deployment-service in
bundle(org.wso2.carbon.deployment.engine:5.0.0). Refer the Startup Order
Resolver documentation and validated your configuration
[2017-02-20 23:19:14,556] INFO
{org.wso2.carbon.identity.mgt.impl.internal.IdentityMgtComponent} - Realm
service registered successfully.
[2017-02-20 23:19:14,556] INFO
{org.wso2.carbon.identity.mgt.impl.internal.IdentityMgtComponent} -
Carbon-Identity-Mgt bundle activated successfully.
[2017-02-20 23:19:14,632] INFO {org.wso2.carbon.uuf.internal.UUFServer} -
'org.wso2.carbon.uuf.internal.UUFServer' registered as a Server.
[2017-02-20 23:19:14,633] INFO
{org.wso2.carbon.transport.http.netty.internal.NettyTransportServiceComponent}
- All CarbonNettyServerInitializers are available
[2017-02-20 23:19:14,691] INFO
{org.wso2.msf4j.internal.MicroservicesRegistryImpl} - Added microservice:
org.wso2.carbon.uuf.httpconnector.msf4j.UUFMicroservice@302c4471
[2017-02-20 23:19:14,692] INFO
{org.wso2.carbon.uuf.httpconnector.msf4j.internal.MSF4JHttpConnector} - UUF
app 'org.wso2.carbon.iam.user-portal' is available at '/user-portal'.
[2017-02-20 23:19:14,692] INFO
{org.wso2.msf4j.internal.MicroservicesServerSC} - All microservices are
available
[2017-02-20 23:19:14,693] INFO
{org.wso2.carbon.transport.http.netty.listener.NettyListener} - Starting
Netty Http Transport Listener
[2017-02-20 23:19:15,137] INFO
{org.wso2.carbon.transport.http.netty.listener.NettyListener} - Netty
Listener starting on port 9292
Exception in thread "Timer-0" java.lang.NullPointerException
at
org.wso2.carbon.kernel.internal.startupresolver.StartupOrderResolver$1.run(StartupOrderResolver.java:170)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
*Harsha Thirimanna*
*Associate Tech Lead | WSO2*
Email: [email protected]
Mob: +94715186770
Blog: http://harshathirimanna.blogspot.com/
Twitter: http://twitter.com/harshathirimann
Linked-In: linked-in:
http://www.linkedin.com/pub/harsha-thirimanna/10/ab8/122
<http://wso2.com/signature>
On Mon, Feb 20, 2017 at 11:04 AM, Niranjan Karunanandham <[email protected]>
wrote:
> Hi Harsha,
>
> On Mon, Feb 20, 2017 at 10:52 AM, Harsha Thirimanna <[email protected]>
> wrote:
>
>> What do you mean by properly ? Is that possible to happen these issues
>> intermittently if it is not defined properly ?
>>
> This is happening intermittently since the order in which components are
> resolved in OSGi varies. AFAIR this issue was there in Kernel 5.1.0, but
> this was fixed in the startup order resolver to catch this issue (if the
> component such as number of expected and actual being registered vary [2]).
> In order to identify this issue, you need to narrow down which component is
> causing this issue.
>
>
>>
>> Yes I am using maven 3.0.5 and you are saying still it can be happened
>> intermittently because of this ? Because of some others using same maven
>> but never seen this issue.
>>
> For C5, the maven should be 3.3.x and JDK should be 1.8.x (Oracle /
> OpenJDK). This is mentioned in the [1]. We need to added in the Github
> Readme as well. If your components are compiled using maven 3.0.5 then it
> is not compatible with C5.
>
>
>> And I have seen another issue that OSGi services not register
>> intermittently. Is that the same issue as you suggested ?
>>
>> *Harsha Thirimanna*
>> *Associate Tech Lead | WSO2*
>>
>> Email: [email protected]
>> Mob: +94715186770 <+94%2071%20518%206770>
>> Blog: http://harshathirimanna.blogspot.com/
>> Twitter: http://twitter.com/harshathirimann
>> Linked-In: linked-in: http://www.linkedin.com/pub/ha
>> rsha-thirimanna/10/ab8/122
>> <http://wso2.com/signature>
>>
>> On Mon, Feb 20, 2017 at 10:33 AM, Niranjan Karunanandham <
>> [email protected]> wrote:
>>
>>> Hi Harsha,
>>>
>>> On Mon, Feb 20, 2017 at 9:23 AM, Harsha Thirimanna <[email protected]>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> When the IS server get start, we can see this error log intermittently.
>>>> Any idea about this ?
>>>>
>>>> Exception in thread "Timer-0" java.lang.NullPointerException
>>>> at org.wso2.carbon.kernel.internal.startupresolver.StartupOrder
>>>> Resolver$1.run(StartupOrderResolver.java:170)
>>>> at java.util.TimerThread.mainLoop(Timer.java:555)
>>>> at java.util.TimerThread.run(Timer.java:505)
>>>>
>>> This issue happens when you have not defined your components properly.
>>> In C5, we have introduced startup order resolver. This is introduced when a
>>> components need to wait till other components are initialized (refer [1]).
>>>
>>> Btw I have noticed that for C5 components some are using Java 1.8 and
>>> maven 3.0.5. Please note for C5, you need to have maven 3.3.x.
>>>
>>>
>>>>
>>>> thanks
>>>>
>>>> *Harsha Thirimanna*
>>>> *Associate Tech Lead | WSO2*
>>>>
>>>> Email: [email protected]
>>>> Mob: +94715186770 <+94%2071%20518%206770>
>>>> Blog: http://harshathirimanna.blogspot.com/
>>>> Twitter: http://twitter.com/harshathirimann
>>>> Linked-In: linked-in: http://www.linkedin.com/pub/ha
>>>> rsha-thirimanna/10/ab8/122
>>>> <http://wso2.com/signature>
>>>>
>>>> _______________________________________________
>>>> Dev mailing list
>>>> [email protected]
>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>
>>>>
>>> [1] - https://github.com/wso2/carbon-kernel/blob/v5.2.0-m3/docs/
>>> KernelFeatures/ResolvingtheComponentStartupOrder.md
>>>
>>> Regards,
>>> Nira
>>>
>>> --
>>>
>>>
>>> *Niranjan Karunanandham*
>>> Associate Technical Lead - WSO2 Inc.
>>> WSO2 Inc.: http://www.wso2.com
>>>
>>>
>>
> [1] - https://docs.wso2.com/display/Carbon500/Installation+Prerequisites
> [2] - https://github.com/wso2/carbon-kernel/blob/v5.2.0-m3/docs/
> KernelFeatures/ResolvingtheComponentStartupOrder.md
>
> Regards,
> Nira
>
> --
>
>
> *Niranjan Karunanandham*
> Associate Technical Lead - WSO2 Inc.
> WSO2 Inc.: http://www.wso2.com
>
>
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