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https://issues.apache.org/jira/browse/YARN-8357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chandni Singh updated YARN-8357:
--------------------------------
Attachment: YARN-8357.001.patch
> Yarn Service: NPE when service is saved first and then started.
> ---------------------------------------------------------------
>
> Key: YARN-8357
> URL: https://issues.apache.org/jira/browse/YARN-8357
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Critical
> Attachments: YARN-8357.001.patch
>
>
> Line 972 in \{{ServiceClient}} returns a service with state \{{null}} which
> is why there is a NPE.
> {code:java}
> 2018-05-24 04:39:22,911 INFO client.ServiceClient
> (ServiceClient.java:getStatus(1203)) - Service test1 does not have an
> application ID
> 2018-05-24 04:39:22,911 ERROR webapp.ApiServer
> (ApiServer.java:updateService(480)) - Error while performing operation for
> app: test1
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.service.client.ServiceClient.actionStart(ServiceClient.java:974)
> at
> org.apache.hadoop.yarn.service.webapp.ApiServer$7.run(ApiServer.java:650)
> at
> org.apache.hadoop.yarn.service.webapp.ApiServer$7.run(ApiServer.java:644)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1687)
> at
> org.apache.hadoop.yarn.service.webapp.ApiServer.startService(ApiServer.java:644)
> at
> org.apache.hadoop.yarn.service.webapp.ApiServer.updateService(ApiServer.java:449)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
> at
> com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
> at
> com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
> at
> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
> at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
> at
> com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
> at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
> at
> com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
> at
> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
> at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
> at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
> {code}
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