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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-5658) TracingStage frequently times out
Date Tue, 18 Jun 2013 23:14:20 GMT
Ryan McGuire created CASSANDRA-5658:
---------------------------------------

             Summary: TracingStage frequently times out
                 Key: CASSANDRA-5658
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5658
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 2.0
            Reporter: Ryan McGuire
         Attachments: system.log, trace_bug.py

I am seeing frequent timeout errors when doing programmatic traces via trace_next_query()

{code}
ERROR [TracingStage:1] 2013-06-18 19:10:20,669 CassandraDaemon.java (line 196) Exception in
thread Thread[TracingStage:1,5,main]
java.lang.RuntimeException: org.apache.cassandra.exceptions.WriteTimeoutException: Operation
timed out - received only 0 responses.
        at com.google.common.base.Throwables.propagate(Throwables.java:160)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:32)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:722)
Caused by: org.apache.cassandra.exceptions.WriteTimeoutException: Operation timed out - received
only 0 responses.
        at org.apache.cassandra.service.AbstractWriteResponseHandler.get(AbstractWriteResponseHandler.java:81)
        at org.apache.cassandra.service.StorageProxy.mutate(StorageProxy.java:454)
        at org.apache.cassandra.tracing.TraceState$1.runMayThrow(TraceState.java:100)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
        ... 3 more
{code}

Attached is the sample code which produced this error and the logs. The error occurs directly
after the INSERT statement.

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