Re: Hadoop 0.19.2 and Ganglia 3.1.3

Tue, 17 Nov 2009 18:06:44 -0800 

I get several error messages here is one:

more hadoop-hadoop-tasktracker-cloud1.local.beforedawnsolutions.com.out
Exception in thread "Timer thread for monitoring mapred" java.lang.NullPointerEx 
ception
at org.apache.hadoop.metrics.ganglia.GangliaContext.xdr_string (GangliaCo 
ntext.java:195)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitMetric (GangliaCo 
ntext.java:138)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitRecord (GangliaCo 
ntext.java:123)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.emitRecords (Abst 
ractMetricsContext.java:304)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent (Abstr 
actMetricsContext.java:290)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000 (Abstr 
actMetricsContext.java:50)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run (AbstractMe 
tricsContext.java:249)
        at java.util.TimerThread.mainLoop(Timer.java:534)
        at java.util.TimerThread.run(Timer.java:484)
Exception in thread "Timer thread for monitoring rpc" java.lang.NullPointerExcep 
tion
at org.apache.hadoop.metrics.ganglia.GangliaContext.xdr_string (GangliaCo 
ntext.java:195)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitMetric (GangliaCo 
ntext.java:138)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitRecord (GangliaCo 
ntext.java:123)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.emitRecords (Abst 
ractMetricsContext.java:304)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent (Abstr 
actMetricsContext.java:290)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000 (Abstr 
actMetricsContext.java:50)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run (AbstractMe 
tricsContext.java:249)
        at java.util.TimerThread.mainLoop(Timer.java:534)
        at java.util.TimerThread.run(Timer.java:484)
[had...@cloud1 logs]$ more hadoop-hadoop-namenode- cloud1.local.beforedawnsolutions.com.out Exception in thread "Timer thread for monitoring rpc" java.lang.NullPointerExcep 
tion
at org.apache.hadoop.metrics.ganglia.GangliaContext.xdr_string (GangliaCo 
ntext.java:195)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitMetric (GangliaCo 
ntext.java:138)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitRecord (GangliaCo 
ntext.java:123)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.emitRecords (Abst 
ractMetricsContext.java:304)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent (Abstr 
actMetricsContext.java:290)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000 (Abstr 
actMetricsContext.java:50)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run (AbstractMe 
tricsContext.java:249)
        at java.util.TimerThread.mainLoop(Timer.java:534)
        at java.util.TimerThread.run(Timer.java:484)
Exception in thread "Timer thread for monitoring dfs" java.lang.NullPointerExcep 
tion
at org.apache.hadoop.metrics.ganglia.GangliaContext.xdr_string (GangliaCo 
ntext.java:195)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitMetric (GangliaCo 
ntext.java:138)
at org.apache.hadoop.metrics.ganglia.GangliaContext.emitRecord (GangliaCo 
ntext.java:123)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.emitRecords (Abst 
ractMetricsContext.java:304)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent (Abstr 
actMetricsContext.java:290)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000 (Abstr 
actMetricsContext.java:50)
at org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run (AbstractMe 
tricsContext.java:249)
        at java.util.TimerThread.mainLoop(Timer.java:534)
        at java.util.TimerThread.run(Timer.java:484)

Any ideas?

-John

On Nov 17, 2009, at 8:50 PM, Y G wrote:
we use cloudera 0.20.1+152 dist. it has included the ganglia 3.1.x patch, 
maybe you could try it.
－－－－－
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身体健康
Sent from Nanjing, 32, China
Ted Turner <http://www.brainyquote.com/quotes/authors/t/ted_turner.html > - 
"Sports is like a war without the killing."

2009/11/18 John Martyniak <[email protected]>
Has anybody else had any trouble running hadoop 0.19.2 and Ganglia 3.1.x?
I was surfing through the Jira/Google and it seems that there where some 
issues but have been resolved.

Any thoughts would be helpful.

Thank you,

-John

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