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https://issues.apache.org/jira/browse/TEZ-3536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hitesh Shah updated TEZ-3536:
-----------------------------
Summary: NPE in WebUIService start when host resolution fails. (was: Add
debug logs to help debug NPE in WebUIService start)
> NPE in WebUIService start when host resolution fails.
> -----------------------------------------------------
>
> Key: TEZ-3536
> URL: https://issues.apache.org/jira/browse/TEZ-3536
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Hitesh Shah
> Assignee: Hitesh Shah
> Attachments: TEZ-3536.1.patch
>
>
> {code}
> [ERROR] [ServiceThread:org.apache.tez.dag.app.web.WebUIService]
> |web.WebUIService|: Tez UI WebService failed to start.
> java.lang.NullPointerException
> at
> org.apache.tez.dag.app.web.WebUIService.serviceStart(WebUIService.java:98)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:1657)
> at
> org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:1678)
> [INFO] [ServiceThread:org.apache.tez.dag.app.web.WebUIService]
> |service.AbstractService|: Service org.apache.tez.dag.app.web.WebUIService
> failed in state STARTED; cause: org.apache.tez.dag.api.TezUncheckedException:
> java.lang.NullPointerException
> org.apache.tez.dag.api.TezUncheckedException: java.lang.NullPointerException
> at
> org.apache.tez.dag.app.web.WebUIService.serviceStart(WebUIService.java:103)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:1657)
> at
> org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:1678)
> Caused by: java.lang.NullPointerException
> at
> org.apache.tez.dag.app.web.WebUIService.serviceStart(WebUIService.java:98)
> ... 3 more
> {code}
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