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Posted to common-user@hadoop.apache.org by André Martin <ma...@andremartin.de> on 2008/03/02 01:32:18 UTC

org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException

Hi everyone,
the namenode doesn't re-start properly:

> 2008-03-02 01:25:25,120 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting NameNode
> STARTUP_MSG:   host = se09/141.76.xxx.xxx
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 2008-02-28_11-01-44
> STARTUP_MSG:   build = 
> http://svn.apache.org/repos/asf/hadoop/core/trunk -r 631915; compiled 
> by 'hudson' on Thu Feb 28 11:11:52 UTC 2008
> ************************************************************/
> 2008-03-02 01:25:25,247 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: 
> Initializing RPC Metrics with serverName=NameNode, port=8000
> 2008-03-02 01:25:25,254 INFO org.apache.hadoop.dfs.NameNode: Namenode 
> up at: se09.inf.tu-dresden.de/141.76.44.xxx:xxx
> 2008-03-02 01:25:25,257 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: 
> Initializing JVM Metrics with processName=NameNode, sessionId=null
> 2008-03-02 01:25:25,260 INFO org.apache.hadoop.dfs.NameNodeMetrics: 
> Initializing NameNodeMeterics using context 
> object:org.apache.hadoop.metrics.spi.NullContext
> 2008-03-02 01:25:25,358 INFO org.apache.hadoop.fs.FSNamesystem: 
> fsOwner=amartin,students
> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
> supergroup=supergroup
> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
> isPermissionEnabled=true
> 2008-03-02 01:25:29,887 ERROR org.apache.hadoop.dfs.NameNode: 
> java.lang.NullPointerException
>     at 
> org.apache.hadoop.dfs.FSImage.readINodeUnderConstruction(FSImage.java:950)
>     at 
> org.apache.hadoop.dfs.FSImage.loadFilesUnderConstruction(FSImage.java:919)
>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:749)
>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:634)
>     at 
> org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:223)
>     at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:79)
>     at 
> org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:261)
>     at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:242)
>     at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:176)
>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:162)
>     at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:851)
>     at org.apache.hadoop.dfs.NameNode.main(NameNode.java:860)
>
> 2008-03-02 01:25:29,888 INFO org.apache.hadoop.dfs.NameNode: 
> SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at se09/141.76.xxx.xxx
> ************************************************************/
Any ideas? Looks like a bug...

Cu on the 'net,
                        Bye - bye,

                                   <<<<< André <<<< >>>> èrbnA >>>>>

RE: org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException

Posted by dhruba Borthakur <dh...@yahoo-inc.com>.
Hi Andre,

Is it possible for you to let me look at your entire Namenode log?

Thanks,
dhruba

-----Original Message-----
From: André Martin [mailto:mail@andremartin.de] 
Sent: Saturday, March 01, 2008 4:32 PM
To: core-user@hadoop.apache.org
Subject: org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException

Hi everyone,
the namenode doesn't re-start properly:

> 2008-03-02 01:25:25,120 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting NameNode
> STARTUP_MSG:   host = se09/141.76.xxx.xxx
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 2008-02-28_11-01-44
> STARTUP_MSG:   build = 
> http://svn.apache.org/repos/asf/hadoop/core/trunk -r 631915; compiled 
> by 'hudson' on Thu Feb 28 11:11:52 UTC 2008
> ************************************************************/
> 2008-03-02 01:25:25,247 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: 
> Initializing RPC Metrics with serverName=NameNode, port=8000
> 2008-03-02 01:25:25,254 INFO org.apache.hadoop.dfs.NameNode: Namenode 
> up at: se09.inf.tu-dresden.de/141.76.44.xxx:xxx
> 2008-03-02 01:25:25,257 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: 
> Initializing JVM Metrics with processName=NameNode, sessionId=null
> 2008-03-02 01:25:25,260 INFO org.apache.hadoop.dfs.NameNodeMetrics: 
> Initializing NameNodeMeterics using context 
> object:org.apache.hadoop.metrics.spi.NullContext
> 2008-03-02 01:25:25,358 INFO org.apache.hadoop.fs.FSNamesystem: 
> fsOwner=amartin,students
> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
> supergroup=supergroup
> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
> isPermissionEnabled=true
> 2008-03-02 01:25:29,887 ERROR org.apache.hadoop.dfs.NameNode: 
> java.lang.NullPointerException
>     at 
> org.apache.hadoop.dfs.FSImage.readINodeUnderConstruction(FSImage.java:950)
>     at 
> org.apache.hadoop.dfs.FSImage.loadFilesUnderConstruction(FSImage.java:919)
>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:749)
>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:634)
>     at 
> org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:223)
>     at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:79)
>     at 
> org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:261)
>     at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:242)
>     at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:176)
>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:162)
>     at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:851)
>     at org.apache.hadoop.dfs.NameNode.main(NameNode.java:860)
>
> 2008-03-02 01:25:29,888 INFO org.apache.hadoop.dfs.NameNode: 
> SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at se09/141.76.xxx.xxx
> ************************************************************/
Any ideas? Looks like a bug...

Cu on the 'net,
                        Bye - bye,

                                   <<<<< André <<<< >>>> èrbnA >>>>>

Re: org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException

Posted by André Martin <ma...@andremartin.de>.
Hi Raghu,
thx for filing :-) Btw. I sent dhruba the requested namenode log 
yesterday. Hopefully it helps.

Cu on the 'net,
                        Bye - bye,

                                   <<<<< André <<<< >>>> èrbnA >>>>>

Raghu Angadi wrote:
> filed https://issues.apache.org/jira/browse/HADOOP-2934
>
> Raghu.
>
> André Martin wrote:
>> Hi everyone,
>> the namenode doesn't re-start properly:
>>
>>> 2008-03-02 01:25:25,120 INFO org.apache.hadoop.dfs.NameNode: 
>>> STARTUP_MSG:
>>> /************************************************************
>>> STARTUP_MSG: Starting NameNode
>>> STARTUP_MSG:   host = se09/141.76.xxx.xxx
>>> STARTUP_MSG:   args = []
>>> STARTUP_MSG:   version = 2008-02-28_11-01-44
>>> STARTUP_MSG:   build = 
>>> http://svn.apache.org/repos/asf/hadoop/core/trunk -r 631915; 
>>> compiled by 'hudson' on Thu Feb 28 11:11:52 UTC 2008
>>> ************************************************************/
>>> 2008-03-02 01:25:25,247 INFO 
>>> org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing RPC Metrics 
>>> with serverName=NameNode, port=8000
>>> 2008-03-02 01:25:25,254 INFO org.apache.hadoop.dfs.NameNode: 
>>> Namenode up at: se09.inf.tu-dresden.de/141.76.44.xxx:xxx
>>> 2008-03-02 01:25:25,257 INFO 
>>> org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics 
>>> with processName=NameNode, sessionId=null
>>> 2008-03-02 01:25:25,260 INFO org.apache.hadoop.dfs.NameNodeMetrics: 
>>> Initializing NameNodeMeterics using context 
>>> object:org.apache.hadoop.metrics.spi.NullContext
>>> 2008-03-02 01:25:25,358 INFO org.apache.hadoop.fs.FSNamesystem: 
>>> fsOwner=amartin,students
>>> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
>>> supergroup=supergroup
>>> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
>>> isPermissionEnabled=true
>>> 2008-03-02 01:25:29,887 ERROR org.apache.hadoop.dfs.NameNode: 
>>> java.lang.NullPointerException
>>>     at 
>>> org.apache.hadoop.dfs.FSImage.readINodeUnderConstruction(FSImage.java:950) 
>>>
>>>     at 
>>> org.apache.hadoop.dfs.FSImage.loadFilesUnderConstruction(FSImage.java:919) 
>>>
>>>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:749)
>>>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:634)
>>>     at 
>>> org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:223)
>>>     at 
>>> org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:79)
>>>     at 
>>> org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:261)
>>>     at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:242)
>>>     at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
>>>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:176)
>>>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:162)
>>>     at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:851)
>>>     at org.apache.hadoop.dfs.NameNode.main(NameNode.java:860)
>>>
>>> 2008-03-02 01:25:29,888 INFO org.apache.hadoop.dfs.NameNode: 
>>> SHUTDOWN_MSG:
>>> /************************************************************
>>> SHUTDOWN_MSG: Shutting down NameNode at se09/141.76.xxx.xxx
>>> ************************************************************/
>> Any ideas? Looks like a bug...
>>
>> Cu on the 'net,
>>                        Bye - bye,
>>
>>                                   <<<<< André <<<< >>>> èrbnA >>>>>
>>
>>
>

Re: org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException

Posted by Raghu Angadi <ra...@yahoo-inc.com>.
filed https://issues.apache.org/jira/browse/HADOOP-2934

Raghu.

André Martin wrote:
> Hi everyone,
> the namenode doesn't re-start properly:
> 
>> 2008-03-02 01:25:25,120 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG:
>> /************************************************************
>> STARTUP_MSG: Starting NameNode
>> STARTUP_MSG:   host = se09/141.76.xxx.xxx
>> STARTUP_MSG:   args = []
>> STARTUP_MSG:   version = 2008-02-28_11-01-44
>> STARTUP_MSG:   build = 
>> http://svn.apache.org/repos/asf/hadoop/core/trunk -r 631915; compiled 
>> by 'hudson' on Thu Feb 28 11:11:52 UTC 2008
>> ************************************************************/
>> 2008-03-02 01:25:25,247 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: 
>> Initializing RPC Metrics with serverName=NameNode, port=8000
>> 2008-03-02 01:25:25,254 INFO org.apache.hadoop.dfs.NameNode: Namenode 
>> up at: se09.inf.tu-dresden.de/141.76.44.xxx:xxx
>> 2008-03-02 01:25:25,257 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: 
>> Initializing JVM Metrics with processName=NameNode, sessionId=null
>> 2008-03-02 01:25:25,260 INFO org.apache.hadoop.dfs.NameNodeMetrics: 
>> Initializing NameNodeMeterics using context 
>> object:org.apache.hadoop.metrics.spi.NullContext
>> 2008-03-02 01:25:25,358 INFO org.apache.hadoop.fs.FSNamesystem: 
>> fsOwner=amartin,students
>> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
>> supergroup=supergroup
>> 2008-03-02 01:25:25,359 INFO org.apache.hadoop.fs.FSNamesystem: 
>> isPermissionEnabled=true
>> 2008-03-02 01:25:29,887 ERROR org.apache.hadoop.dfs.NameNode: 
>> java.lang.NullPointerException
>>     at 
>> org.apache.hadoop.dfs.FSImage.readINodeUnderConstruction(FSImage.java:950) 
>>
>>     at 
>> org.apache.hadoop.dfs.FSImage.loadFilesUnderConstruction(FSImage.java:919) 
>>
>>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:749)
>>     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:634)
>>     at 
>> org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:223)
>>     at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:79)
>>     at 
>> org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:261)
>>     at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:242)
>>     at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
>>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:176)
>>     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:162)
>>     at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:851)
>>     at org.apache.hadoop.dfs.NameNode.main(NameNode.java:860)
>>
>> 2008-03-02 01:25:29,888 INFO org.apache.hadoop.dfs.NameNode: 
>> SHUTDOWN_MSG:
>> /************************************************************
>> SHUTDOWN_MSG: Shutting down NameNode at se09/141.76.xxx.xxx
>> ************************************************************/
> Any ideas? Looks like a bug...
> 
> Cu on the 'net,
>                        Bye - bye,
> 
>                                   <<<<< André <<<< >>>> èrbnA >>>>>
> 
>