[YARN-8357] Yarn Service: NPE when service is saved first and then started.

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 3.2.0, 3.1.1
• Target Version/s: 3.2.0, 3.1.1
• Assignee: Chandni Singh
• Reporter: Chandni Singh
• Created: 24/May/18 16:46
• Updated: 24/May/18 21:13
• Resolved: 24/May/18 20:35

Description

Line 972 in ServiceClient returns a service with state null which is why there is a NPE.

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)