[jira] [Updated] (HDFS-9187) Check if tracer is null before using it

2015-10-01 Thread Masatake Iwasaki (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HDFS-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Masatake Iwasaki updated HDFS-9187:
---
Attachment: HDFS-9187.001.patch

Tracer without recievers and samplers seems to work as effectively no-op 
tracer. Maybe we could the singleton instance to static field of Tracer later.

> Check if tracer is null before using it
> ---
>
> Key: HDFS-9187
> URL: https://issues.apache.org/jira/browse/HDFS-9187
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: tracing
>Affects Versions: 2.8.0
>Reporter: stack
> Attachments: HDFS-9187.001.patch
>
>
> Saw this where an hbase that has not been updated to htrace-4.0.1 was trying 
> to start:
> {code}
> Oct 1, 5:12:11.861 AM FATAL org.apache.hadoop.hbase.master.HMaster
> Failed to become active master
> java.lang.NullPointerException
> at org.apache.hadoop.fs.Globber.glob(Globber.java:145)
> at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1634)
> at org.apache.hadoop.hbase.util.FSUtils.getTableDirs(FSUtils.java:1372)
> at 
> org.apache.hadoop.hbase.util.FSTableDescriptors.getAll(FSTableDescriptors.java:206)
> at 
> org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:619)
> at org.apache.hadoop.hbase.master.HMaster.access$500(HMaster.java:169)
> at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1481)
> at java.lang.Thread.run(Thread.java:745)
> {code}



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[jira] [Updated] (HDFS-9187) Check if tracer is null before using it

2015-10-01 Thread Colin Patrick McCabe (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HDFS-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Colin Patrick McCabe updated HDFS-9187:
---
Assignee: Colin Patrick McCabe
  Status: Patch Available  (was: Open)

> Check if tracer is null before using it
> ---
>
> Key: HDFS-9187
> URL: https://issues.apache.org/jira/browse/HDFS-9187
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: tracing
>Affects Versions: 2.8.0
>Reporter: stack
>Assignee: Colin Patrick McCabe
> Attachments: HDFS-9187.001.patch, HDFS-9187.002.patch
>
>
> Saw this where an hbase that has not been updated to htrace-4.0.1 was trying 
> to start:
> {code}
> Oct 1, 5:12:11.861 AM FATAL org.apache.hadoop.hbase.master.HMaster
> Failed to become active master
> java.lang.NullPointerException
> at org.apache.hadoop.fs.Globber.glob(Globber.java:145)
> at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1634)
> at org.apache.hadoop.hbase.util.FSUtils.getTableDirs(FSUtils.java:1372)
> at 
> org.apache.hadoop.hbase.util.FSTableDescriptors.getAll(FSTableDescriptors.java:206)
> at 
> org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:619)
> at org.apache.hadoop.hbase.master.HMaster.access$500(HMaster.java:169)
> at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1481)
> at java.lang.Thread.run(Thread.java:745)
> {code}



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[jira] [Updated] (HDFS-9187) Check if tracer is null before using it

2015-10-01 Thread Colin Patrick McCabe (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HDFS-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Colin Patrick McCabe updated HDFS-9187:
---
Attachment: HDFS-9187.002.patch

> Check if tracer is null before using it
> ---
>
> Key: HDFS-9187
> URL: https://issues.apache.org/jira/browse/HDFS-9187
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: tracing
>Affects Versions: 2.8.0
>Reporter: stack
> Attachments: HDFS-9187.001.patch, HDFS-9187.002.patch
>
>
> Saw this where an hbase that has not been updated to htrace-4.0.1 was trying 
> to start:
> {code}
> Oct 1, 5:12:11.861 AM FATAL org.apache.hadoop.hbase.master.HMaster
> Failed to become active master
> java.lang.NullPointerException
> at org.apache.hadoop.fs.Globber.glob(Globber.java:145)
> at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1634)
> at org.apache.hadoop.hbase.util.FSUtils.getTableDirs(FSUtils.java:1372)
> at 
> org.apache.hadoop.hbase.util.FSTableDescriptors.getAll(FSTableDescriptors.java:206)
> at 
> org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:619)
> at org.apache.hadoop.hbase.master.HMaster.access$500(HMaster.java:169)
> at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1481)
> at java.lang.Thread.run(Thread.java:745)
> {code}



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