[CASSANDRA-8007] sstableloader throws exceptions when used with '-cph'

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 2.1.1
• Component/s: Legacy/Streaming and Messaging, Legacy/Tools
• Labels: streaming
• Severity: Low
• Since Version: 2.1.0
• Assignee: Yuki Morishita
• Reporter: Yuki Morishita

Authors

Yuki Morishita

Reviewers

Joshua McKenzie

• Created: 26/Sep/14 16:01
• Updated: 16/Apr/19 09:31
• Resolved: 30/Sep/14 16:41

Description

When I use sstableloader with -cph(connections per host) option greater than 1, I get the following exceptions.

java.lang.NullPointerException: null
        at org.apache.cassandra.io.sstable.SSTableReader$6.run(SSTableReader.java:637) ~[main/:na]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_51]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_51]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178) ~[na:1.7.0_51]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292) ~[na:1.7.0_51]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_51]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_51]
        at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]

also,

ERROR 14:33:52 [Stream #218f2470-458a-11e4-a929-cb31cb113424] Streaming error occurred
java.lang.AssertionError: Reference counter -1 for /home/yuki/Keyspace1/Standard1-cb5e6f30458811e49349511b628b066f/Keyspace1-Standard1-ka-6-Data.db
        at org.apache.cassandra.io.sstable.SSTableReader.releaseReference(SSTableReader.java:1597) ~[main/:na]
        at org.apache.cassandra.streaming.StreamTransferTask.complete(StreamTransferTask.java:68) ~[main/:na]
        at org.apache.cassandra.streaming.StreamSession.received(StreamSession.java:522) ~[main/:na]
        at org.apache.cassandra.streaming.StreamSession.messageReceived(StreamSession.java:404) ~[main/:na]
        at org.apache.cassandra.streaming.ConnectionHandler$IncomingMessageHandler.run(ConnectionHandler.java:295) ~[main/:na]
        at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]

Looks like there are conflict in grabbing SSTables to stream.