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https://issues.apache.org/jira/browse/SLIDER-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14058118#comment-14058118
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Ted Yu commented on SLIDER-223:
-------------------------------
With patch v3, I saw the following after thawing a frozen cluster:
{code}
14/07/10 23:35:29 ERROR mortbay.log:
/ws/v1/slider/agents/container_1405017576223_0011_01_000003___HBASE_REGIONSERVER/heartbeat
java.lang.NullPointerException
at java.util.regex.Matcher.appendReplacement(Matcher.java:758)
at java.util.regex.Matcher.replaceAll(Matcher.java:906)
at java.lang.String.replaceAll(String.java:2162)
at
org.apache.slider.providers.ProviderUtils.propagateSiteOptions(ProviderUtils.java:241)
at
org.apache.slider.providers.agent.AgentProviderService.addNamedConfiguration(AgentProviderService.java:939)
at
org.apache.slider.providers.agent.AgentProviderService.buildCommandConfigurations(AgentProviderService.java:894)
at
org.apache.slider.providers.agent.AgentProviderService.setInstallCommandConfigurations(AgentProviderService.java:792)
at
org.apache.slider.providers.agent.AgentProviderService.addInstallCommand(AgentProviderService.java:765)
at
org.apache.slider.providers.agent.AgentProviderService.handleHeartBeat(AgentProviderService.java:523)
at
org.apache.slider.server.appmaster.web.rest.agent.AgentResource.heartbeat(AgentResource.java:98)
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:601)
at
com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
at
com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)
at
com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
{code}
> Provide action to update template appConfig
> -------------------------------------------
>
> Key: SLIDER-223
> URL: https://issues.apache.org/jira/browse/SLIDER-223
> Project: Slider
> Issue Type: Task
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: slider-223-2.txt, slider-223-3.txt, slider-223.txt
>
>
> Here is one use case:
> user freezes cluster and modifies some config values in appConfig.json
> the user thaws the cluster and expects the new config values to take effect.
> This JIRA adds support for this case by introducing an action called 'update'.
> We can reuse --template option.
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