[jira] [Updated] (YARN-4210) HBase reader throws NPE if GET returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Description: If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} was: {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} > HBase reader throws NPE if GET returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > > If HBase Get does not fetch any rows for the query, we still try to parse the > result and read fields. This leads to NPE while reading metrics. We should > not attempt to read anything if no row is returned i.e. result is empty > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) > at > org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebSe
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Summary: HBase reader throws NPE if Get returns no rows (was: HBase reader throws NPE if GET returns no rows) > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > > If HBase Get does not fetch any rows for the query, we still try to parse the > result and read fields. This leads to NPE while reading metrics. We should > not attempt to read anything if no row is returned i.e. result is empty > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) > at > org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Attachment: YARN-4210-YARN-2928.01.patch > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Attachments: YARN-4210-YARN-2928.01.patch > > > If HBase Get does not fetch any rows for the query, we still try to parse the > result and read fields. This leads to NPE while reading metrics. We should > not attempt to read anything if no row is returned i.e. result is empty > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) > at > org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Description: If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty. Found during web UI poc testing. {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} was: If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Attachments: YARN-4210-YARN-2928.01.patch > > > If HBase Get does not fetch any rows for the query, we still try to parse the > result and read fields. This leads to NPE while reading metrics. We should > not attempt to read anything if no row is returned i.e. result is empty. > Found during web UI poc testing. > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) >
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Attachment: YARN-4210-YARN-2928.02.patch > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Attachments: YARN-4210-YARN-2928.01.patch, > YARN-4210-YARN-2928.02.patch > > > If HBase Get does not fetch any rows for the query, we still try to parse the > result and read fields. This leads to NPE while reading metrics. We should > not attempt to read anything if no row is returned i.e. result is empty. > Found during web UI poc testing. > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) > at > org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Attachment: YARN-4210-YARN-2928.03.patch > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Attachments: YARN-4210-YARN-2928.01.patch, > YARN-4210-YARN-2928.02.patch, YARN-4210-YARN-2928.03.patch > > > If HBase Get does not fetch any rows for the query, we still try to parse the > result and read fields. This leads to NPE while reading metrics. We should > not attempt to read anything if no row is returned i.e. result is empty. > Found during web UI poc testing. > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) > at > org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Description: This JIRA handles multiple issues. * If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty. Found during web UI poc testing. {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} * ResultScanner is not closed in HBase Reader. * Exception was: If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty. Found during web UI poc testing. {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Attachments: YARN-4210-YARN-2928.01.patch, > YARN-4210-YARN-2928.02.patch, YARN-4210-YARN-2928.03.patch > > > This JIRA handles multiple issues. > * If HBase Get does not fetch any rows for the query, we still try to parse > the result and read fields. This leads to NPE while reading metrics. We > should not attempt to read anything if no row is returned i.e. result is > empty. > Found during web UI poc testing. > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hado
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Description: This JIRA handles multiple issues. * If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty. Found during web UI poc testing. {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} * ResultScanner is not closed in HBase Reader. * Exception encountered while reading start and end time in FlowRunEntityReader was: This JIRA handles multiple issues. * If HBase Get does not fetch any rows for the query, we still try to parse the result and read fields. This leads to NPE while reading metrics. We should not attempt to read anything if no row is returned i.e. result is empty. Found during web UI poc testing. {noformat} 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(199)) - Error while processing REST request java.lang.NullPointerException at org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) at org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) at org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) at org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) at org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) {noformat} * ResultScanner is not closed in HBase Reader. * Exception > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Attachments: YARN-4210-YARN-2928.01.patch, > YARN-4210-YARN-2928.02.patch, YARN-4210-YARN-2928.03.patch > > > This JIRA handles multiple issues. > * If HBase Get does not fetch any rows for the query, we still try to parse > the result and read fields. This leads to NPE while reading metrics. We > should not attempt to read anything if no row is returned i.e. result is > empty. > Found during web UI poc testing. > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182
[jira] [Updated] (YARN-4210) HBase reader throws NPE if Get returns no rows
[ https://issues.apache.org/jira/browse/YARN-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Saxena updated YARN-4210: --- Fix Version/s: 2.9.0 > HBase reader throws NPE if Get returns no rows > -- > > Key: YARN-4210 > URL: https://issues.apache.org/jira/browse/YARN-4210 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver >Affects Versions: YARN-2928 >Reporter: Varun Saxena >Assignee: Varun Saxena > Fix For: 2.9.0, 3.0.0-alpha1 > > Attachments: YARN-4210-YARN-2928.01.patch, > YARN-4210-YARN-2928.02.patch, YARN-4210-YARN-2928.03.patch > > > This JIRA handles multiple issues. > * If HBase Get does not fetch any rows for the query, we still try to parse > the result and read fields. This leads to NPE while reading metrics. We > should not attempt to read anything if no row is returned i.e. result is > empty. > Found during web UI poc testing. > {noformat} > 2015-09-29 20:22:32,027 ERROR [95336304@qtp-1814206058-0] > reader.TimelineReaderWebServices > (TimelineReaderWebServices.java:handleException(199)) - Error while > processing REST request > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper.readResultsWithTimestamps(ColumnHelper.java:176) > at > org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunColumnPrefix.readResultsWithTimestamps(FlowRunColumnPrefix.java:182) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readMetrics(TimelineEntityReader.java:212) > at > org.apache.hadoop.yarn.server.timelineservice.storage.FlowRunEntityReader.parseEntity(FlowRunEntityReader.java:136) > at > org.apache.hadoop.yarn.server.timelineservice.storage.TimelineEntityReader.readEntity(TimelineEntityReader.java:137) > at > org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReaderImpl.getEntity(HBaseTimelineReaderImpl.java:72) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderManager.getEntity(TimelineReaderManager.java:93) > at > org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderWebServices.getFlowRun(TimelineReaderWebServices.java:403) > {noformat} > * ResultScanner is not closed in HBase Reader. > * Exception encountered while reading start and end time in > FlowRunEntityReader -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org