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Zhihong Ted Yu commented on HBASE-6524: --------------------------------------- Using snapshot build of htrace 1.49, I was able to run TestClusterBootOrder with hadoop 2.0 profile. But the test failed with: {code} testBootRegionServerFirst(org.apache.hadoop.hbase.TestClusterBootOrder) Time elapsed: 0.263 sec <<< ERROR! java.lang.IncompatibleClassChangeError: Implementing class at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at org.apache.hadoop.hbase.mapreduce.MapreduceTestingShim.<clinit>(MapreduceTestingShim.java:45) at org.apache.hadoop.hbase.HBaseTestingUtility.createDirsAndSetProperties(HBaseTestingUtility.java:475) at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniDFSCluster(HBaseTestingUtility.java:426) at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniDFSCluster(HBaseTestingUtility.java:392) at org.apache.hadoop.hbase.TestClusterBootOrder.setUp(TestClusterBootOrder.java:47) {code} The test passed with hadoop 1.0 profile. > Hooks for hbase tracing > ----------------------- > > Key: HBASE-6524 > URL: https://issues.apache.org/jira/browse/HBASE-6524 > Project: HBase > Issue Type: Sub-task > Reporter: Jonathan Leavitt > Fix For: 0.96.0 > > Attachments: createTableTrace.png, hbase-6524.diff > > > Includes the hooks that use [htrace|http://www.github.com/cloudera/htrace] > library to add dapper-like tracing to hbase. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira