[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16435613#comment-16435613
]
Hudson commented on HBASE-20350:
Results for branch master
[build #295 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/295/]: (x)
*{color:red}-1 overall{color}*
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/master/295//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/295//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/295//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16434942#comment-16434942
]
Hudson commented on HBASE-20350:
Results for branch branch-2.0
[build #161 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/161/]:
(x) *{color:red}-1 overall{color}*
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/161//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/161//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/161//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16434933#comment-16434933
]
Hudson commented on HBASE-20350:
Results for branch branch-2
[build #601 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/601/]:
(x) *{color:red}-1 overall{color}*
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/601//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/601//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/601//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16433157#comment-16433157
]
Umesh Agashe commented on HBASE-20350:
--
oh! okay. +1, lgtm.
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16433043#comment-16433043
]
stack commented on HBASE-20350:
---
Push it [~appy]
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16432882#comment-16432882
]
Appy commented on HBASE-20350:
--
That's probably because poll() can return null value when PQ heap is empty,
whereas, it won't happen if we iterate like this.
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429359#comment-16429359
]
Umesh Agashe commented on HBASE-20350:
--
[~appy], thanks for the patch. Iterating instead of using poll() looks good.
Existing code checks sannner != null before closing scanner. You may want
consider doing the same unless there is a reason to believe that scanner will
never be null. i.e.
{code:java}
for (KeyValueScanner scanner : heap) {
if (scanner != null) scanner.close();
}
{code}
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429251#comment-16429251
]
Hadoop QA commented on HBASE-20350:
---
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
12s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m
0s{color} | {color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m
0s{color} | {color:red} The patch doesn't appear to include any new or modified
tests. Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m
3s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
23s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 6m
48s{color} | {color:green} branch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
22s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
36s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m
49s{color} | {color:green} patch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
20m 21s{color} | {color:green} Patch does not cause any errors with Hadoop
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
28s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 98m
20s{color} | {color:green} hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
21s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}147m 11s{color} |
{color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:d8b550f |
| JIRA Issue | HBASE-20350 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12917924/HBASE-20350.master.001.patch
|
| Optional Tests | asflicense javac javadoc unit findbugs shadedjars
hadoopcheck hbaseanti checkstyle compile |
| uname | Linux 74b25fbc8806 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9
14:43:09 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / a422310dad |
| maven | version: Apache Maven 3.5.3
(3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| Default Java | 1.8.0_162 |
| findbugs | v3.1.0-RC3 |
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/12335/testReport/ |
| Max. process+thread count | 4385 (vs. ulimit of 1) |
| modules | C: hbase-server U: hbase-server |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/12335/console |
| Powered
[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429237#comment-16429237
]
stack commented on HBASE-20350:
---
Do you need to check for null? Get the blessing of our almighty [~uagashe]!
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-20350.master.001.patch
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429213#comment-16429213
]
Appy commented on HBASE-20350:
--
bq. Can we check the return value from scanner.peek() before calling
scanner.close() ?
That's useless work done by process when all that's needed is getting rid of
the scanner.
Iterate and close seems right way, let me put up patch.
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
--
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429207#comment-16429207
]
Ted Yu commented on HBASE-20350:
>From KeyValueHeap#close :
{code}
while ((scanner = this.heap.poll()) != null) {
scanner.close();
{code}
Can we check the return value from scanner.peek() before calling
scanner.close() ?
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
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[jira] [Commented] (HBASE-20350) NullPointerException in Scanner during close()
[
https://issues.apache.org/jira/browse/HBASE-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429192#comment-16429192
]
Anoop Sam John commented on HBASE-20350:
I too thought about the iterator way of closing scanners. That will be a safe
change any way. +1
> NullPointerException in Scanner during close()
> --
>
> Key: HBASE-20350
> URL: https://issues.apache.org/jira/browse/HBASE-20350
> Project: HBase
> Issue Type: Bug
>Affects Versions: 2.0.0-beta-2
>Reporter: Umesh Agashe
>Assignee: Appy
>Priority: Blocker
> Fix For: 2.0.0
>
>
> From logs:
> {code}
> 2018-04-03 02:06:00,630 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Replaying edits from
> hdfs://ns1/hbase/data/default/IntegrationTestBigLinkedList_20180403004104/834545a2ae1baa47082a3bc7aab2be2f/recovered.edits/1032167
> 2018-04-03 02:06:00,724 INFO
> org.apache.hadoop.hbase.regionserver.RSRpcServices: Scanner
> 2120114333978460945 lease expired on region
> IntegrationTestBigLinkedList_20180403004104,\xF1\xFE\xCB\x98e1\xF8\xD4,1522742825561.ce0d91585a2d188123173c36d0b693a5.
> 2018-04-03 02:06:00,730 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: * ABORTING region
> server vd0510.halxg.cloudera.com,22101,1522626204176: Uncaught exception in
> executorService thread
> regionserver/vd0510.halxg.cloudera.com/10.17.226.13:22101.leaseChecker *
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compareRows(CellComparatorImpl.java:202)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:74)
> at
> org.apache.hadoop.hbase.CellComparatorImpl.compare(CellComparatorImpl.java:61)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:207)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:190)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:721)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:228)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:483)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.close(StoreScanner.java:464)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:224)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices$ScannerListener.leaseExpired(RSRpcServices.java:460)
> at org.apache.hadoop.hbase.regionserver.Leases.run(Leases.java:122)
> at java.lang.Thread.run(Thread.java:748)
> 2018-04-03 02:06:00,731 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
> loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint,
> com.cloudera.navigator.audit.hbase.RegionAuditCoProcessor]
> 2018-04-03 02:06:00,737 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics as JSON
> on abort: {
> {code}
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