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https://issues.apache.org/jira/browse/HTRACE-103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14306345#comment-14306345
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Masatake Iwasaki commented on HTRACE-103:
-----------------------------------------
How about adding API for explicitly starting new top level span with new trace
id? Though it internally reset state and clients still can abuse it, better
than just "reset" API.
> testHtrace and testParamterizedSampler fails
> --------------------------------------------
>
> Key: HTRACE-103
> URL: https://issues.apache.org/jira/browse/HTRACE-103
> Project: HTrace
> Issue Type: Bug
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
> Attachments: HTRACE-103.001.patch
>
>
> {noformat}
> testHtrace(org.apache.htrace.TestHTrace) Time elapsed: 6.085 sec <<<
> FAILURE!
> java.lang.AssertionError: Trace tree must have roots
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.apache.htrace.TestHTrace.testHtrace(TestHTrace.java:81)
> testParamterizedSampler(org.apache.htrace.TestSampler) Time elapsed: 0.001
> sec <<< FAILURE!
> java.lang.AssertionError: expected null, but
> was:<{"i":"b26e533db550abdd","s":"91d90044ecab5eb8","b":1423065328326,"e":0,"d":"test","r":"jar","p":["73e962f3b7140c54"]}>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotNull(Assert.java:664)
> at org.junit.Assert.assertNull(Assert.java:646)
> at org.junit.Assert.assertNull(Assert.java:656)
> at
> org.apache.htrace.TestSampler.testParamterizedSampler(TestSampler.java:60)
> {noformat}
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