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From: "stack (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HBASE-14451) Move on to htrace-4.0.0 (from
 htrace-3.2.0)
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     [ https://issues.apache.org/jira/browse/HBASE-14451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-14451:
--------------------------
    Attachment: 14451.txt

Here is a patch to convert all tracing.

Currently stuck on fact that our hadoop depends on old htrace:

{code}
org.apache.hadoop.hbase.trace.TestHTraceHooks  Time elapsed: 4.56 sec  <<< ERROR!
java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:635)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:619)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:609)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:600)
	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2250)
	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2272)
	at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1489)
	at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:832)
	at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:742)
	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniDFSCluster(HBaseTestingUtility.java:632)
	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:1026)
	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:907)
	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:901)
	at org.apache.hadoop.hbase.trace.TestHTraceHooks.before(TestHTraceHooks.java:59)
{code}

> Move on to htrace-4.0.0 (from htrace-3.2.0)
> -------------------------------------------
>
>                 Key: HBASE-14451
>                 URL: https://issues.apache.org/jira/browse/HBASE-14451
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>            Assignee: stack
>         Attachments: 14451.txt
>
>
> htrace-4.0.0 was just release with a new API. Get up on it.



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