What steps will reproduce the problem?
1. java no.priv.garshol.duke.Duke --showmatches dogfood.xml
What is the expected output? What do you see instead?
When I do a kill -SIGQUIT {PID} I get the following trace:
2011-05-21 15:39:25
Full thread dump Java HotSpot(TM) 64-Bit Server VM (19.1-b02-334 mixed mode):
"Low Memory Detector" daemon prio=5 tid=10184e800 nid=0x108b69000 runnable
[00000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread1" daemon prio=9 tid=10184d000 nid=0x108a66000 waiting on
condition [00000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread0" daemon prio=9 tid=10184b800 nid=0x108963000 waiting on
condition [00000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=9 tid=10184a800 nid=0x108860000 waiting on
condition [00000000]
java.lang.Thread.State: RUNNABLE
"Surrogate Locker Thread (CMS)" daemon prio=5 tid=101849000 nid=0x10875d000
waiting on condition [00000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=101830000 nid=0x108643000 in Object.wait()
[108642000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f3001300> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <7f3001300> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=10182f000 nid=0x108532000 in
Object.wait() [108531000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f30011d8> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <7f30011d8> (a java.lang.ref.Reference$Lock)
"main" prio=5 tid=101801800 nid=0x100501000 runnable [100500000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
- locked <7f3e12df0> (a java.io.BufferedInputStream)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:687)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:632)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1195)
- locked <7f3e10418> (a sun.net.www.protocol.http.HttpURLConnection)
at no.priv.garshol.duke.SparqlClient.getResponse(SparqlClient.java:52)
at no.priv.garshol.duke.SparqlClient.execute(SparqlClient.java:30)
at no.priv.garshol.duke.SparqlDataSource$SparqlIterator.fetchNextPage(SparqlDataSource.java:106)
at no.priv.garshol.duke.SparqlDataSource$SparqlIterator.next(SparqlDataSource.java:92)
at no.priv.garshol.duke.SparqlDataSource$SparqlIterator.next(SparqlDataSource.java:43)
at no.priv.garshol.duke.Duke.main(Duke.java:82)
"VM Thread" prio=9 tid=10182a000 nid=0x10842f000 runnable
"Gang worker#0 (Parallel GC Threads)" prio=9 tid=101804800 nid=0x1007c7000
runnable
"Gang worker#1 (Parallel GC Threads)" prio=9 tid=101805800 nid=0x1017cc000
runnable
"Concurrent Mark-Sweep GC Thread" prio=9 tid=101808000 nid=0x1080b6000 runnable
"VM Periodic Task Thread" prio=10 tid=101850800 nid=0x108c6c000 waiting on
condition
"Exception Catcher Thread" prio=10 tid=101802800 nid=0x100604000 runnable
JNI global references: 1704
Heap
par new generation total 19136K, used 14785K [7f3000000, 7f44c0000, 7f44c0000)
eden space 17024K, 86% used [7f3000000, 7f3e707e8, 7f40a0000)
from space 2112K, 0% used [7f40a0000, 7f40a0000, 7f42b0000)
to space 2112K, 0% used [7f42b0000, 7f42b0000, 7f44c0000)
concurrent mark-sweep generation total 63872K, used 0K [7f44c0000, 7f8320000, 7fae00000)
concurrent-mark-sweep perm gen total 21248K, used 8748K [7fae00000, 7fc2c0000, 800000000)
What version of the product are you using? On what operating system?
Using duke-0.2-SNAPSHOT.jar built from source with Java version "1.6.0_24" on
Mac OS X 10.5.8