Hitesh Shah created TEZ-3536: -------------------------------- Summary: Add debug logs to help debug NPE in WebUIService start Key: TEZ-3536 URL: https://issues.apache.org/jira/browse/TEZ-3536 Project: Apache Tez Issue Type: Bug Reporter: Hitesh Shah
2016-10-25 03:15:22,200 [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) 2016-10-25 03:15:22,205 [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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)