Dmitry Erokhin created CASSANDRA-13545:
------------------------------------------

             Summary: Exception in CompactionExecutor leading to tmplink files 
not being removed
                 Key: CASSANDRA-13545
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13545
             Project: Cassandra
          Issue Type: Bug
          Components: Compaction
            Reporter: Dmitry Erokhin


We are facing an issue where compactions fail on a few nodes with the following 
message
{code}
ERROR [CompactionExecutor:1248] 2017-05-22 15:32:55,390 
CassandraDaemon.java:185 - Exception in thread 
Thread[CompactionExecutor:1248,1,main]
java.lang.AssertionError: null
        at 
org.apache.cassandra.io.sstable.IndexSummary.<init>(IndexSummary.java:86) 
~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.io.sstable.IndexSummaryBuilder.build(IndexSummaryBuilder.java:235)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.io.sstable.format.big.BigTableWriter.openEarly(BigTableWriter.java:316)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.io.sstable.SSTableRewriter.maybeReopenEarly(SSTableRewriter.java:170)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:115)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.db.compaction.writers.DefaultCompactionWriter.append(DefaultCompactionWriter.java:64)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:184)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:74)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:256)
 ~[apache-cassandra-2.2.5.jar:2.2.5]
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
~[na:1.8.0_121]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
~[na:1.8.0_121]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
~[na:1.8.0_121]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_121]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
{code}
Also, the number of tmplink files in /var/lib/cassandra/data/<keyspace 
name>blocks/tmplink* is growing constantly until node runs out of space. 
Restarting cassandra removes all tmplink files, but the issue still continues.
We are using Cassandra 2.2.5 on Debian 8 with Oracle Java 8
{code}
root@cassandra-p10:/var/lib/cassandra/data/mugenstorage/blocks-33167ef0447a11e68f3e5b42fc45b62f#
 dpkg -l | grep -E "java|cassandra"
ii  cassandra                      2.2.5                        all          
distributed storage system for structured data
ii  cassandra-tools                2.2.5                        all          
distributed storage system for structured data
ii  java-common                    0.52                         all          
Base of all Java packages
ii  javascript-common              11                           all          
Base support for JavaScript library packages
ii  oracle-java8-installer         8u121-1~webupd8~0            all          
Oracle Java(TM) Development Kit (JDK) 8
ii  oracle-java8-set-default       8u121-1~webupd8~0            all          
Set Oracle JDK 8 as default Java
{code}



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