[ https://issues.apache.org/jira/browse/CASSANDRA-9285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuki Morishita updated CASSANDRA-9285: -------------------------------------- Component/s: Local Write-Read Paths > LEAK DETECTED in sstwriter > -------------------------- > > Key: CASSANDRA-9285 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9285 > Project: Cassandra > Issue Type: Bug > Components: Local Write-Read Paths > Reporter: Pierre N. > Fix For: 2.1.x > > > reproduce bug : > {code} > public static void main(String[] args) throws Exception { > System.setProperty("cassandra.debugrefcount","true"); > > String ks = "ks1"; > String table = "t1"; > > String schema = "CREATE TABLE " + ks + "." + table + "(a1 INT, > PRIMARY KEY (a1));"; > String insert = "INSERT INTO "+ ks + "." + table + "(a1) VALUES(?);"; > > File dir = new File("/var/tmp/" + ks + "/" + table); > dir.mkdirs(); > > CQLSSTableWriter writer = > CQLSSTableWriter.builder().forTable(schema).using(insert).inDirectory(dir).build(); > > writer.addRow(1); > writer.close(); > writer = null; > > Thread.sleep(1000);System.gc(); > Thread.sleep(1000);System.gc(); > } > {code} > {quote} > [2015-05-01 16:09:59,139] [Reference-Reaper:1] ERROR > org.apache.cassandra.utils.concurrent.Ref - LEAK DETECTED: a reference > (org.apache.cassandra.utils.concurrent.Ref$State@79fa9da9) to class > org.apache.cassandra.io.util.SafeMemory$MemoryTidy@2053866990:Memory@[7f87f8043b20..7f87f8043b48) > was not released before the reference was garbage collected > [2015-05-01 16:09:59,143] [Reference-Reaper:1] ERROR > org.apache.cassandra.utils.concurrent.Ref - Allocate trace > org.apache.cassandra.utils.concurrent.Ref$State@79fa9da9: > Thread[Thread-2,5,main] > at java.lang.Thread.getStackTrace(Thread.java:1552) > at org.apache.cassandra.utils.concurrent.Ref$Debug.<init>(Ref.java:200) > at org.apache.cassandra.utils.concurrent.Ref$State.<init>(Ref.java:133) > at org.apache.cassandra.utils.concurrent.Ref.<init>(Ref.java:60) > at org.apache.cassandra.io.util.SafeMemory.<init>(SafeMemory.java:32) > at > org.apache.cassandra.io.util.SafeMemoryWriter.<init>(SafeMemoryWriter.java:33) > at > org.apache.cassandra.io.sstable.IndexSummaryBuilder.<init>(IndexSummaryBuilder.java:111) > at > org.apache.cassandra.io.sstable.SSTableWriter$IndexWriter.<init>(SSTableWriter.java:576) > at > org.apache.cassandra.io.sstable.SSTableWriter.<init>(SSTableWriter.java:140) > at > org.apache.cassandra.io.sstable.AbstractSSTableSimpleWriter.getWriter(AbstractSSTableSimpleWriter.java:58) > at > org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter$DiskWriter.run(SSTableSimpleUnsortedWriter.java:227) > [2015-05-01 16:09:59,144] [Reference-Reaper:1] ERROR > org.apache.cassandra.utils.concurrent.Ref - LEAK DETECTED: a reference > (org.apache.cassandra.utils.concurrent.Ref$State@664382e3) to class > org.apache.cassandra.io.util.SafeMemory$MemoryTidy@899100784:Memory@[7f87f8043990..7f87f8043994) > was not released before the reference was garbage collected > [2015-05-01 16:09:59,144] [Reference-Reaper:1] ERROR > org.apache.cassandra.utils.concurrent.Ref - Allocate trace > org.apache.cassandra.utils.concurrent.Ref$State@664382e3: > Thread[Thread-2,5,main] > at java.lang.Thread.getStackTrace(Thread.java:1552) > at org.apache.cassandra.utils.concurrent.Ref$Debug.<init>(Ref.java:200) > at org.apache.cassandra.utils.concurrent.Ref$State.<init>(Ref.java:133) > at org.apache.cassandra.utils.concurrent.Ref.<init>(Ref.java:60) > at org.apache.cassandra.io.util.SafeMemory.<init>(SafeMemory.java:32) > at > org.apache.cassandra.io.util.SafeMemoryWriter.<init>(SafeMemoryWriter.java:33) > at > org.apache.cassandra.io.sstable.IndexSummaryBuilder.<init>(IndexSummaryBuilder.java:110) > at > org.apache.cassandra.io.sstable.SSTableWriter$IndexWriter.<init>(SSTableWriter.java:576) > at > org.apache.cassandra.io.sstable.SSTableWriter.<init>(SSTableWriter.java:140) > at > org.apache.cassandra.io.sstable.AbstractSSTableSimpleWriter.getWriter(AbstractSSTableSimpleWriter.java:58) > at > org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter$DiskWriter.run(SSTableSimpleUnsortedWriter.java:227) > [2015-05-01 16:09:59,144] [Reference-Reaper:1] ERROR > org.apache.cassandra.utils.concurrent.Ref - LEAK DETECTED: a reference > (org.apache.cassandra.utils.concurrent.Ref$State@3cca0ac2) to class > org.apache.cassandra.io.util.SafeMemory$MemoryTidy@499043670:Memory@[7f87f8039940..7f87f8039c60) > was not released before the reference was garbage collected > [2015-05-01 16:09:59,144] [Reference-Reaper:1] ERROR > org.apache.cassandra.utils.concurrent.Ref - Allocate trace > org.apache.cassandra.utils.concurrent.Ref$State@3cca0ac2: > Thread[Thread-2,5,main] > at java.lang.Thread.getStackTrace(Thread.java:1552) > at org.apache.cassandra.utils.concurrent.Ref$Debug.<init>(Ref.java:200) > at org.apache.cassandra.utils.concurrent.Ref$State.<init>(Ref.java:133) > at org.apache.cassandra.utils.concurrent.Ref.<init>(Ref.java:60) > at org.apache.cassandra.io.util.SafeMemory.<init>(SafeMemory.java:32) > at > org.apache.cassandra.io.compress.CompressionMetadata$Writer.<init>(CompressionMetadata.java:274) > at > org.apache.cassandra.io.compress.CompressionMetadata$Writer.open(CompressionMetadata.java:285) > at > org.apache.cassandra.io.compress.CompressedSequentialWriter.<init>(CompressedSequentialWriter.java:74) > at > org.apache.cassandra.io.util.SequentialWriter.open(SequentialWriter.java:124) > at > org.apache.cassandra.io.sstable.SSTableWriter.<init>(SSTableWriter.java:129) > at > org.apache.cassandra.io.sstable.AbstractSSTableSimpleWriter.getWriter(AbstractSSTableSimpleWriter.java:58) > at > org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter$DiskWriter.run(SSTableSimpleUnsortedWriter.java:227) > {quote} -- This message was sent by Atlassian JIRA (v6.3.4#6332)