Hi,
I am newbie in dnp3 and am going to develop java server on top dnp3,
I am writing my first java server base on dnp3Java. Here is my code
snippet,
VMware with OS: Ubuntu 11.10, 4GB
============== main program =========
stackManager.AddTCPClient("tcpclient", new
PhysLayerSettings(LOG_LEVEL, 3000), "127.0.0.1", 4999);
...
ExecutorService executor = Executors.newFixedThreadPool(NTHREDS);
MyDataObserver myDataObserver = new MyDataObserver();
Runnable masterworker = new MasterRunnable(stackManager,
myDataObserver, LOG_LEVEL);
============= MasterRunnable ==========
MasterStackConfig stackConfig = new MasterStackConfig();
stackConfig.getLink().setLocalAddr(100);
stackConfig.getLink().setRemoteAddr(1);
ICommandAcceptor commandAcceptor =
stackManager.AddMaster("tcpclient", "master", LOG_LEVEL,
myDataObserver , stackConfig);
BinaryOutput bo = new BinaryOutput();
Setpoint sp = new Setpoint();
Binary binary = new Binary();
myDataObserver.swigTakeOwnership();
myDataObserver.Update(binary, 0);
<--------- this line cause SIGSEGV in JNI
============= below is SIGSEGV dump file ======
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007fb86357d541, pid=2906,
tid=140429902862080
#
# JRE version: 6.0_23-b23
# Java VM: OpenJDK 64-Bit Server VM (20.0-b11 mixed mode linux-amd64
compressed oops)
# Derivative: IcedTea6 1.11pre
# Distribution: Ubuntu 11.10, package 6b23~pre11-0ubuntu1.11.10.2
# Problematic frame:
# C [libopendnp3.so.0.0.0+0x1c1541]
Java_org_totalgrid_reef_protocol_dnp3_javadnp3JNI_IDataObserver_1Update_1_1SWIG_10+0x11
#
# If you would like to submit a bug report, please include
# instructions how to reproduce the bug and visit:
#
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
--------------- T H R E A D ---------------
Current thread (0x00000000020f6800): JavaThread "pool-1-
thread-1" [_thread_in_native, id=2932,
stack(0x00007fb86269d000,0x00007fb86279e000)]
siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR),
si_addr=0x0000000000000008
Registers:
RAX=0x0000000000000000, RBX=0x00000000f5d605b8,
RCX=0x00007fb86279c7e8, RDX=0x0000000000000000
RSP=0x00007fb86279c710, RBP=0x00007fb86279c7a0,
RSI=0x00007fb86279c7b0, RDI=0x00000000020f69d0
R8 =0x0000000002100040, R9 =0x00007fb86279c7d0,
R10=0x00007fb8649eab02, R11=0x00007fb86a282360
R12=0x0000000000000000, R13=0x00000000f5d605b8,
R14=0x00007fb86279c7f8, R15=0x00000000020f6800
RIP=0x00007fb86357d541, EFLAGS=0x0000000000010202,
CSGSFS=0x0000000000000033, ERR=0x0000000000000004
TRAPNO=0x000000000000000e
Top of Stack: (sp=0x00007fb86279c710)
0x00007fb86279c710: 00007fb86279c7a0 00007fb8649eab2f
0x00007fb86279c720: 0000000000000000 00000000f5d605b8
0x00007fb86279c730: 0000000000000000 00000000f5d605b8
0x00007fb86279c740: 00007fb86279c7a0 00007fb8649ea733
0x00007fb86279c750: 0000000000000000 00007fb8649ea6ff
0x00007fb86279c760: 00007fb86279c760 00000000f5d605b8
0x00007fb86279c770: 00007fb86279c7f8 00000000f5d75378
0x00007fb86279c780: 0000000000000000 00000000f5d605b8
0x00007fb86279c790: 0000000000000000 00007fb86279c7c0
0x00007fb86279c7a0: 00007fb86279c840 00007fb8649d98da
0x00007fb86279c7b0: 00000000f5d75310 00007fb8649e6278
0x00007fb86279c7c0: 0000000000000000 00007fb86279c7e0
0x00007fb86279c7d0: 00000000cc13a4a8 0000000002100040
0x00007fb86279c7e0: 00000000cc13a4a8 00000000cc0e9210
0x00007fb86279c7f0: 0000000000000000 00000000cc0e9210
0x00007fb86279c800: 00007fb86279c800 00000000f5da880b
0x00007fb86279c810: 00007fb86279c868 00000000f5daab00
0x00007fb86279c820: 0000000000000000 00000000f5da8818
0x00007fb86279c830: 00007fb86279c7c0 00007fb86279c850
0x00007fb86279c840: 00007fb86279c8b0 00007fb8649d98da
0x00007fb86279c850: 0000000000000000 00007fb8649e69ae
0x00007fb86279c860: 00000000cc13a4a8 00000000cc0e9210
0x00007fb86279c870: 00007fb86279c870 00000000f5dab856
0x00007fb86279c880: 00007fb86279c8f8 00000000f5dabc70
0x00007fb86279c890: 0000000000000000 00000000f5dab8f8
0x00007fb86279c8a0: 00007fb86279c850 00007fb86279c8f8
0x00007fb86279c8b0: 00007fb86279c940 00007fb8649d9db4
0x00007fb86279c8c0: 0000000000000000 0000000000000000
0x00007fb86279c8d0: 00000000cc13a4a8 00000000cc12adf8
0x00007fb86279c8e0: 00000000cc126eb8 00000000cc11b740
0x00007fb86279c8f0: 00000000cc117998 00000000cc0ebfb8
0x00007fb86279c900: 00007fb86279c900 00000000f5d85a16
Instructions: (pc=0x00007fb86357d541)
0x00007fb86357d521: 0f 1f 80 00 00 00 00 f3 c3 66 0f 1f 44 00 00 48
0x00007fb86357d531: 83 ec 08 4d 85 c0 48 89 d0 48 8b 54 24 10 74 1f
0x00007fb86357d541: 80 78 08 00 74 2e 48 8b 08 4c 89 c6 48 89 c7 48
0x00007fb86357d551: 8b 49 20 48 83 c4 08 ff e1 66 0f 1f 44 00 00 48
Register to memory mapping:
RAX=0x0000000000000000 is an unknown value
RBX=0x00000000f5d605b8 is an oop
{method}
- klass: {other class}
RCX=0x00007fb86279c7e8 is pointing into the stack for thread:
0x00000000020f6800
RDX=0x0000000000000000 is an unknown value
RSP=0x00007fb86279c710 is pointing into the stack for thread:
0x00000000020f6800
RBP=0x00007fb86279c7a0 is pointing into the stack for thread:
0x00000000020f6800
RSI=0x00007fb86279c7b0 is pointing into the stack for thread:
0x00000000020f6800
RDI=0x00000000020f69d0 is an unknown value
R8 =0x0000000002100040 is an unknown value
R9 =0x00007fb86279c7d0 is pointing into the stack for thread:
0x00000000020f6800
R10=0x00007fb8649eab02 is an Interpreter codelet
method entry point (kind = native) [0x00007fb8649ea660,
0x00007fb8649eb440] 3552 bytes
R11=0x00007fb86a282360: <offset 0x6c0360> in /usr/lib/jvm/java-6-
openjdk/jre/lib/amd64/server/libjvm.so at 0x00007fb869bc2000
R12=0x0000000000000000 is an unknown value
R13=0x00000000f5d605b8 is an oop
{method}
- klass: {other class}
R14=0x00007fb86279c7f8 is pointing into the stack for thread:
0x00000000020f6800
R15=0x00000000020f6800 is a thread
Stack: [0x00007fb86269d000,0x00007fb86279e000],
sp=0x00007fb86279c710, free space=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code,
C=native code)
C [libopendnp3.so.0.0.0+0x1c1541]
Java_org_totalgrid_reef_protocol_dnp3_javadnp3JNI_IDataObserver_1Update_1_1SWIG_10+0x11
j org.totalgrid.reef.protocol.dnp3.IDataObserver.Update(Lorg/
totalgrid/reef/protocol/dnp3/Binary;J)V+11
j com.sentient_energy.dnp3.server.MasterRunnable.run()V+86
j java.util.concurrent.ThreadPoolExecutor.runWorker(Ljava/util/
concurrent/ThreadPoolExecutor$Worker;)V+46
j java.util.concurrent.ThreadPoolExecutor$Worker.run()V+5
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub
V [libjvm.so+0x4afa5f] JavaCalls::call_helper(JavaValue*,
methodHandle*, JavaCallArguments*, Thread*)+0x29f
V [libjvm.so+0x4aee95] JavaCalls::call(JavaValue*, methodHandle,
JavaCallArguments*, Thread*)+0x25
V [libjvm.so+0x4af393] JavaCalls::call_virtual(JavaValue*,
KlassHandle, symbolHandle, symbolHandle, JavaCallArguments*, Thread*)
+0x1a3
V [libjvm.so+0x4af4bf] JavaCalls::call_virtual(JavaValue*, Handle,
KlassHandle, symbolHandle, symbolHandle, Thread*)+0x4f
V [libjvm.so+0x4e4f76] thread_entry(JavaThread*, Thread*)+0x86
V [libjvm.so+0x74bca8] JavaThread::thread_main_inner()+0x58
V [libjvm.so+0x64bc22] java_start(Thread*)+0x112
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j
org.totalgrid.reef.protocol.dnp3.javadnp3JNI.IDataObserver_Update__SWIG_0(JLorg/
totalgrid/reef/protocol/dnp3/IDataObserver;JLorg/totalgrid/reef/
protocol/dnp3/Binary;J)V+0
j org.totalgrid.reef.protocol.dnp3.IDataObserver.Update(Lorg/
totalgrid/reef/protocol/dnp3/Binary;J)V+11
j com.sentient_energy.dnp3.server.MasterRunnable.run()V+86
j java.util.concurrent.ThreadPoolExecutor.runWorker(Ljava/util/
concurrent/ThreadPoolExecutor$Worker;)V+46
j java.util.concurrent.ThreadPoolExecutor$Worker.run()V+5
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x0000000001f80000 JavaThread "DestroyJavaVM" [_thread_blocked,
id=2909, stack(0x00007fb86b46f000,0x00007fb86b570000)]
=>0x00000000020f6800 JavaThread "pool-1-thread-1" [_thread_in_native,
id=2932, stack(0x00007fb86269d000,0x00007fb86279e000)]
0x0000000002032000 JavaThread "Low Memory Detector" daemon
[_thread_blocked, id=2926,
stack(0x00007fb863906000,0x00007fb863a07000)]
0x000000000202d000 JavaThread "C2 CompilerThread1" daemon
[_thread_blocked, id=2925,
stack(0x00007fb863a07000,0x00007fb863b08000)]
0x000000000202a000 JavaThread "C2 CompilerThread0" daemon
[_thread_blocked, id=2924,
stack(0x00007fb863b08000,0x00007fb863c09000)]
0x000000000201d000 JavaThread "JDWP Command Reader" daemon
[_thread_in_native, id=2922,
stack(0x00007fb863c09000,0x00007fb863d0a000)]
0x000000000201a800 JavaThread "JDWP Event Helper Thread" daemon
[_thread_blocked, id=2921,
stack(0x00007fb863d0a000,0x00007fb863e0b000)]
0x0000000002017000 JavaThread "JDWP Transport Listener: dt_socket"
daemon [_thread_blocked, id=2918,
stack(0x00007fb863e0b000,0x00007fb863f0c000)]
0x000000000200b800 JavaThread "Signal Dispatcher" daemon
[_thread_blocked, id=2916,
stack(0x00007fb864111000,0x00007fb864212000)]
0x0000000001fe8000 JavaThread "Finalizer" daemon [_thread_blocked,
id=2915, stack(0x00007fb864212000,0x00007fb864313000)]
0x0000000001fe6000 JavaThread "Reference Handler" daemon
[_thread_blocked, id=2914,
stack(0x00007fb864313000,0x00007fb864414000)]
Other Threads:
0x0000000001fdf000 VMThread [stack:
0x00007fb864414000,0x00007fb864515000] [id=2913]
0x0000000002035000 WatcherThread [stack:
0x00007fb863805000,0x00007fb863906000] [id=2927]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
def new generation total 9664K, used 1291K [0x00000000cc000000,
0x00000000cca70000, 0x00000000d9e00000)
eden space 8640K, 14% used [0x00000000cc000000, 0x00000000cc142ce0,
0x00000000cc870000)
from space 1024K, 0% used [0x00000000cc870000, 0x00000000cc870000,
0x00000000cc970000)
to space 1024K, 0% used [0x00000000cc970000, 0x00000000cc970000,
0x00000000cca70000)
tenured generation total 21504K, used 0K [0x00000000d9e00000,
0x00000000db300000, 0x00000000f5a00000)
the space 21504K, 0% used [0x00000000d9e00000,
0x00000000d9e00000, 0x00000000d9e00200, 0x00000000db300000)
compacting perm gen total 21248K, used 3818K [0x00000000f5a00000,
0x00000000f6ec0000, 0x0000000100000000)
the space 21248K, 17% used [0x00000000f5a00000,
0x00000000f5dbab60, 0x00000000f5dbac00, 0x00000000f6ec0000)
No shared spaces configured.
Code Cache [0x00007fb8649d4000, 0x00007fb864c44000,
0x00007fb8679d4000)
total_blobs=201 nmethods=2 adapters=162 free_code_cache=49928000
largest_free_block=7360
Dynamic libraries:
00400000-00409000 r-xp 00000000 08:01
925294 /usr/lib/jvm/java-6-openjdk/jre/bin/
java
00608000-00609000 r--p 00008000 08:01
925294 /usr/lib/jvm/java-6-openjdk/jre/bin/
java
00609000-0060a000 rw-p 00009000 08:01
925294 /usr/lib/jvm/java-6-openjdk/jre/bin/
java
01f73000-021b0000 rw-p 00000000 00:00
0 [heap]
cc000000-cca70000 rw-p 00000000 00:00 0
cca70000-d9e00000 rw-p 00000000 00:00 0
d9e00000-db300000 rw-p 00000000 00:00 0
db300000-f5a00000 rw-p 00000000 00:00 0
f5a00000-f6ec0000 rw-p 00000000 00:00 0
f6ec0000-100000000 rw-p 00000000 00:00 0
7fb86269d000-7fb8626a0000 ---p 00000000 00:00 0
7fb8626a0000-7fb86279e000 rw-p 00000000 00:00 0
7fb86279e000-7fb86279f000 ---p 00000000 00:00 0
7fb86279f000-7fb862f9f000 rw-p 00000000 00:00 0
7fb862f9f000-7fb862fa2000 r-xp 00000000 08:01
807151 /usr/lib/libboost_system.so.1.46.1
7fb862fa2000-7fb8631a1000 ---p 00003000 08:01
807151 /usr/lib/libboost_system.so.1.46.1
7fb8631a1000-7fb8631a2000 r--p 00002000 08:01
807151 /usr/lib/libboost_system.so.1.46.1
7fb8631a2000-7fb8631a3000 rw-p 00003000 08:01
807151 /usr/lib/libboost_system.so.1.46.1
7fb8631a3000-7fb8631ba000 r-xp 00000000 08:01
808008 /usr/lib/libboost_thread.so.1.46.1
7fb8631ba000-7fb8633b9000 ---p 00017000 08:01
808008 /usr/lib/libboost_thread.so.1.46.1
7fb8633b9000-7fb8633bb000 r--p 00016000 08:01
808008 /usr/lib/libboost_thread.so.1.46.1
7fb8633bb000-7fb8633bc000 rw-p 00018000 08:01
808008 /usr/lib/libboost_thread.so.1.46.1
7fb8633bc000-7fb8635df000 r-xp 00000000 08:01
812373 /usr/lib/libopendnp3.so.0.0.0
7fb8635df000-7fb8637de000 ---p 00223000 08:01
812373 /usr/lib/libopendnp3.so.0.0.0
7fb8637de000-7fb863802000 r--p 00222000 08:01
812373 /usr/lib/libopendnp3.so.0.0.0
7fb863802000-7fb863803000 rw-p 00246000 08:01
812373 /usr/lib/libopendnp3.so.0.0.0
7fb863803000-7fb863805000 rw-p 00000000 00:00 0
7fb863805000-7fb863806000 ---p 00000000 00:00 0
7fb863806000-7fb863906000 rw-p 00000000 00:00 0
7fb863906000-7fb863909000 ---p 00000000 00:00 0
7fb863909000-7fb863a07000 rw-p 00000000 00:00 0
7fb863a07000-7fb863a0a000 ---p 00000000 00:00 0
7fb863a0a000-7fb863b08000 rw-p 00000000 00:00 0
7fb863b08000-7fb863b0b000 ---p 00000000 00:00 0
7fb863b0b000-7fb863c09000 rw-p 00000000 00:00 0
7fb863c09000-7fb863c0c000 ---p 00000000 00:00 0
7fb863c0c000-7fb863d0a000 rw-p 00000000 00:00 0
7fb863d0a000-7fb863d0d000 ---p 00000000 00:00 0
7fb863d0d000-7fb863e0b000 rw-p 00000000 00:00 0
7fb863e0b000-7fb863e0e000 ---p 00000000 00:00 0
7fb863e0e000-7fb863f0c000 rw-p 00000000 00:00 0
7fb863f0c000-7fb863f10000 r-xp 00000000 08:01
925334 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libdt_socket.so
7fb863f10000-7fb86410f000 ---p 00004000 08:01
925334 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libdt_socket.so
7fb86410f000-7fb864110000 r--p 00003000 08:01
925334 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libdt_socket.so
7fb864110000-7fb864111000 rw-p 00004000 08:01
925334 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libdt_socket.so
7fb864111000-7fb864114000 ---p 00000000 00:00 0
7fb864114000-7fb864212000 rw-p 00000000 00:00 0
7fb864212000-7fb864215000 ---p 00000000 00:00 0
7fb864215000-7fb864313000 rw-p 00000000 00:00 0
7fb864313000-7fb864316000 ---p 00000000 00:00 0
7fb864316000-7fb864414000 rw-p 00000000 00:00 0
7fb864414000-7fb864415000 ---p 00000000 00:00 0
7fb864415000-7fb864548000 rw-p 00000000 00:00 0
7fb864548000-7fb8646d8000 r--s 037ba000 08:01
925984 /usr/lib/jvm/java-6-openjdk/jre/lib/rt.jar
7fb8646d8000-7fb86470b000 rw-p 00000000 00:00 0
7fb86470b000-7fb864754000 rw-p 00000000 00:00 0
7fb864754000-7fb86475f000 rw-p 00000000 00:00 0
7fb86475f000-7fb864833000 rw-p 00000000 00:00 0
7fb864833000-7fb864839000 rw-p 00000000 00:00 0
7fb864839000-7fb8648a2000 rw-p 00000000 00:00 0
7fb8648a2000-7fb8648ad000 rw-p 00000000 00:00 0
7fb8648ad000-7fb864980000 rw-p 00000000 00:00 0
7fb864980000-7fb86498b000 rw-p 00000000 00:00 0
7fb86498b000-7fb8649d3000 rw-p 00000000 00:00 0
7fb8649d3000-7fb8649d4000 rw-p 00000000 00:00 0
7fb8649d4000-7fb864c44000 rwxp 00000000 00:00 0
7fb864c44000-7fb8679d4000 rw-p 00000000 00:00 0
7fb8679d4000-7fb8679db000 r-xp 00000000 08:01
925968 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libzip.so
7fb8679db000-7fb867bda000 ---p 00007000 08:01
925968 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libzip.so
7fb867bda000-7fb867bdb000 r--p 00006000 08:01
925968 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libzip.so
7fb867bdb000-7fb867bdc000 rw-p 00007000 08:01
925968 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libzip.so
7fb867bdc000-7fb867be8000 r-xp 00000000 08:01
406374 /lib/x86_64-linux-gnu/
libnss_files-2.13.so
7fb867be8000-7fb867de7000 ---p 0000c000 08:01
406374 /lib/x86_64-linux-gnu/
libnss_files-2.13.so
7fb867de7000-7fb867de8000 r--p 0000b000 08:01
406374 /lib/x86_64-linux-gnu/
libnss_files-2.13.so
7fb867de8000-7fb867de9000 rw-p 0000c000 08:01
406374 /lib/x86_64-linux-gnu/
libnss_files-2.13.so
7fb867de9000-7fb867df3000 r-xp 00000000 08:01
406376 /lib/x86_64-linux-gnu/
libnss_nis-2.13.so
7fb867df3000-7fb867ff3000 ---p 0000a000 08:01
406376 /lib/x86_64-linux-gnu/
libnss_nis-2.13.so
7fb867ff3000-7fb867ff4000 r--p 0000a000 08:01
406376 /lib/x86_64-linux-gnu/
libnss_nis-2.13.so
7fb867ff4000-7fb867ff5000 rw-p 0000b000 08:01
406376 /lib/x86_64-linux-gnu/
libnss_nis-2.13.so
7fb867ff5000-7fb86800c000 r-xp 00000000 08:01
406371 /lib/x86_64-linux-gnu/
libnsl-2.13.so
7fb86800c000-7fb86820b000 ---p 00017000 08:01
406371 /lib/x86_64-linux-gnu/
libnsl-2.13.so
7fb86820b000-7fb86820c000 r--p 00016000 08:01
406371 /lib/x86_64-linux-gnu/
libnsl-2.13.so
7fb86820c000-7fb86820d000 rw-p 00017000 08:01
406371 /lib/x86_64-linux-gnu/
libnsl-2.13.so
7fb86820d000-7fb86820f000 rw-p 00000000 00:00 0
7fb86820f000-7fb868217000 r-xp 00000000 08:01
406372 /lib/x86_64-linux-gnu/
libnss_compat-2.13.so
7fb868217000-7fb868416000 ---p 00008000 08:01
406372 /lib/x86_64-linux-gnu/
libnss_compat-2.13.so
7fb868416000-7fb868417000 r--p 00007000 08:01
406372 /lib/x86_64-linux-gnu/
libnss_compat-2.13.so
7fb868417000-7fb868418000 rw-p 00008000 08:01
406372 /lib/x86_64-linux-gnu/
libnss_compat-2.13.so
7fb868418000-7fb86899b000 r--p 00000000 08:01
793820 /usr/lib/locale/locale-archive
7fb86899b000-7fb86899e000 r-xp 00000000 08:01
925960 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libnpt.so
7fb86899e000-7fb868b9d000 ---p 00003000 08:01
925960 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libnpt.so
7fb868b9d000-7fb868b9e000 r--p 00002000 08:01
925960 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libnpt.so
7fb868b9e000-7fb868b9f000 rw-p 00003000 08:01
925960 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libnpt.so
7fb868b9f000-7fb868bd9000 r-xp 00000000 08:01
925959 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjdwp.so
7fb868bd9000-7fb868dd8000 ---p 0003a000 08:01
925959 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjdwp.so
7fb868dd8000-7fb868dd9000 r--p 00039000 08:01
925959 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjdwp.so
7fb868dd9000-7fb868dda000 rw-p 0003a000 08:01
925959 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjdwp.so
7fb868dda000-7fb868e06000 r-xp 00000000 08:01
925967 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjava.so
7fb868e06000-7fb869005000 ---p 0002c000 08:01
925967 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjava.so
7fb869005000-7fb869006000 r--p 0002b000 08:01
925967 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjava.so
7fb869006000-7fb869009000 rw-p 0002c000 08:01
925967 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libjava.so
7fb869009000-7fb869017000 r-xp 00000000 08:01
925523 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libverify.so
7fb869017000-7fb869216000 ---p 0000e000 08:01
925523 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libverify.so
7fb869216000-7fb869218000 r--p 0000d000 08:01
925523 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libverify.so
7fb869218000-7fb869219000 rw-p 0000f000 08:01
925523 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
libverify.so
7fb869219000-7fb869220000 r-xp 00000000 08:01
406381 /lib/x86_64-linux-gnu/
librt-2.13.so
7fb869220000-7fb86941f000 ---p 00007000 08:01
406381 /lib/x86_64-linux-gnu/
librt-2.13.so
7fb86941f000-7fb869420000 r--p 00006000 08:01
406381 /lib/x86_64-linux-gnu/
librt-2.13.so
7fb869420000-7fb869421000 rw-p 00007000 08:01
406381 /lib/x86_64-linux-gnu/
librt-2.13.so
7fb869421000-7fb869436000 r-xp 00000000 08:01
405033 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fb869436000-7fb869635000 ---p 00015000 08:01
405033 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fb869635000-7fb869636000 r--p 00014000 08:01
405033 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fb869636000-7fb869637000 rw-p 00015000 08:01
405033 /lib/x86_64-linux-gnu/libgcc_s.so.1
7fb869637000-7fb8696ba000 r-xp 00000000 08:01
406369 /lib/x86_64-linux-gnu/
libm-2.13.so
7fb8696ba000-7fb8698b9000 ---p 00083000 08:01
406369 /lib/x86_64-linux-gnu/
libm-2.13.so
7fb8698b9000-7fb8698ba000 r--p 00082000 08:01
406369 /lib/x86_64-linux-gnu/
libm-2.13.so
7fb8698ba000-7fb8698bb000 rw-p 00083000 08:01
406369 /lib/x86_64-linux-gnu/
libm-2.13.so
7fb8698bb000-7fb8699a3000 r-xp 00000000 08:01
789059 /usr/lib/x86_64-linux-gnu/libstdc++.so.
6.0.16
7fb8699a3000-7fb869ba3000 ---p 000e8000 08:01
789059 /usr/lib/x86_64-linux-gnu/libstdc++.so.
6.0.16
7fb869ba3000-7fb869bab000 r--p 000e8000 08:01
789059 /usr/lib/x86_64-linux-gnu/libstdc++.so.
6.0.16
7fb869bab000-7fb869bad000 rw-p 000f0000 08:01
789059 /usr/lib/x86_64-linux-gnu/libstdc++.so.
6.0.16
7fb869bad000-7fb869bc2000 rw-p 00000000 00:00 0
7fb869bc2000-7fb86a4c5000 r-xp 00000000 08:01
925971 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
server/libjvm.so
7fb86a4c5000-7fb86a6c4000 ---p 00903000 08:01
925971 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
server/libjvm.so
7fb86a6c4000-7fb86a745000 r--p 00902000 08:01
925971 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
server/libjvm.so
7fb86a745000-7fb86a760000 rw-p 00983000 08:01
925971 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
server/libjvm.so
7fb86a760000-7fb86a789000 rw-p 00000000 00:00 0
7fb86a789000-7fb86a7a0000 r-xp 00000000 08:01
393547 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7fb86a7a0000-7fb86a99f000 ---p 00017000 08:01
393547 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7fb86a99f000-7fb86a9a0000 r--p 00016000 08:01
393547 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7fb86a9a0000-7fb86a9a1000 rw-p 00017000 08:01
393547 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7fb86a9a1000-7fb86ab38000 r-xp 00000000 08:01
406365 /lib/x86_64-linux-gnu/
libc-2.13.so
7fb86ab38000-7fb86ad37000 ---p 00197000 08:01
406365 /lib/x86_64-linux-gnu/
libc-2.13.so
7fb86ad37000-7fb86ad3b000 r--p 00196000 08:01
406365 /lib/x86_64-linux-gnu/
libc-2.13.so
7fb86ad3b000-7fb86ad3c000 rw-p 0019a000 08:01
406365 /lib/x86_64-linux-gnu/
libc-2.13.so
7fb86ad3c000-7fb86ad42000 rw-p 00000000 00:00 0
7fb86ad42000-7fb86ad44000 r-xp 00000000 08:01
406368 /lib/x86_64-linux-gnu/
libdl-2.13.so
7fb86ad44000-7fb86af44000 ---p 00002000 08:01
406368 /lib/x86_64-linux-gnu/
libdl-2.13.so
7fb86af44000-7fb86af45000 r--p 00002000 08:01
406368 /lib/x86_64-linux-gnu/
libdl-2.13.so
7fb86af45000-7fb86af46000 rw-p 00003000 08:01
406368 /lib/x86_64-linux-gnu/
libdl-2.13.so
7fb86af46000-7fb86af4a000 r-xp 00000000 08:01
925382 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
jli/libjli.so
7fb86af4a000-7fb86b149000 ---p 00004000 08:01
925382 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
jli/libjli.so
7fb86b149000-7fb86b14a000 r--p 00003000 08:01
925382 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
jli/libjli.so
7fb86b14a000-7fb86b14b000 rw-p 00004000 08:01
925382 /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/
jli/libjli.so
7fb86b14b000-7fb86b163000 r-xp 00000000 08:01
406379 /lib/x86_64-linux-gnu/
libpthread-2.13.so
7fb86b163000-7fb86b362000 ---p 00018000 08:01
406379 /lib/x86_64-linux-gnu/
libpthread-2.13.so
7fb86b362000-7fb86b363000 r--p 00017000 08:01
406379 /lib/x86_64-linux-gnu/
libpthread-2.13.so
7fb86b363000-7fb86b364000 rw-p 00018000 08:01
406379 /lib/x86_64-linux-gnu/
libpthread-2.13.so
7fb86b364000-7fb86b368000 rw-p 00000000 00:00 0
7fb86b368000-7fb86b389000 r-xp 00000000 08:01
406362 /lib/x86_64-linux-gnu/
ld-2.13.so
7fb86b38b000-7fb86b38e000 r--s 0007d000 08:01
923301 /usr/lib/jvm/java-6-openjdk/jre/lib/
jsse.jar
7fb86b38e000-7fb86b391000 r--s 00016000 08:01
931609 /usr/share/java/opendnp3.jar
7fb86b391000-7fb86b392000 r--s 00002000 08:01
418552 /home/wchung/workspace/test/lib/slf4j-
log4j12-1.6.4.jar
7fb86b392000-7fb86b393000 r--s 00005000 08:01
418081 /home/wchung/workspace/test/lib/slf4j-
api.jar
7fb86b393000-7fb86b39c000 r--s 0006d000 08:01
418635 /home/wchung/workspace/test/lib/
log4j-1.2.16.jar
7fb86b39c000-7fb86b39e000 r--s 00007000 08:01
927772 /usr/share/java/hamcrest-core-1.1.jar
7fb86b39e000-7fb86b3a0000 r--s 00007000 08:01
927772 /usr/share/java/hamcrest-core-1.1.jar
7fb86b3a0000-7fb86b3a7000 r--s 00030000 08:01
927841 /usr/share/java/junit4-4.8.2.jar
7fb86b3a7000-7fb86b3af000 r--s 00066000 08:01
927905 /usr/share/java/gnome-java-bridge.jar
7fb86b3af000-7fb86b3b9000 rw-p 00000000 00:00 0
7fb86b3b9000-7fb86b46f000 rw-p 00000000 00:00 0
7fb86b46f000-7fb86b472000 ---p 00000000 00:00 0
7fb86b472000-7fb86b575000 rw-p 00000000 00:00 0
7fb86b57a000-7fb86b57c000 r--s 0000f000 08:01
923287 /usr/lib/jvm/java-6-openjdk/jre/lib/ext/
pulse-java.jar
7fb86b57c000-7fb86b584000 rw-s 00000000 08:01
393978 /tmp/hsperfdata_wchung/2906
7fb86b584000-7fb86b585000 rw-p 00000000 00:00 0
7fb86b585000-7fb86b586000 r--p 00000000 00:00 0
7fb86b586000-7fb86b588000 rw-p 00000000 00:00 0
7fb86b588000-7fb86b589000 r--p 00020000 08:01
406362 /lib/x86_64-linux-gnu/
ld-2.13.so
7fb86b589000-7fb86b58b000 rw-p 00021000 08:01
406362 /lib/x86_64-linux-gnu/
ld-2.13.so
7fffdf122000-7fffdf143000 rw-p 00000000 00:00
0 [stack]
7fffdf1cb000-7fffdf1cc000 r-xp 00000000 00:00
0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00
0 [vsyscall]
VM Arguments:
jvm_args: -
agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:51071 -
Dfile.encoding=UTF-8
java_command: com.sentient_energy.dnp3.server.DnpServer
Launcher Type: SUN_STANDARD
Environment Variables:
PATH=/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/
sbin:/usr/bin:/sbin:/bin:/usr/games
USERNAME=wchung
LD_LIBRARY_PATH=/usr/lib/jvm/java-6-openjdk/jre/lib/amd64/server:/usr/
lib/jvm/java-6-openjdk/jre/lib/amd64:/usr/lib/jvm/java-6-openjdk/
jre/../lib/amd64
SHELL=/bin/bash
DISPLAY=:0
Signal Handlers:
SIGSEGV: [libjvm.so+0x783e60], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGBUS: [libjvm.so+0x783e60], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGFPE: [libjvm.so+0x6485c0], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGPIPE: [libjvm.so+0x6485c0], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGXFSZ: [libjvm.so+0x6485c0], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGILL: [libjvm.so+0x6485c0], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: [libjvm.so+0x648770], sa_mask[0]=0x00000004,
sa_flags=0x10000004
SIGHUP: [libjvm.so+0x64b280], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGINT: [libjvm.so+0x64b280], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGTERM: [libjvm.so+0x64b280], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
SIGQUIT: [libjvm.so+0x64b280], sa_mask[0]=0x7ffbfeff,
sa_flags=0x10000004
--------------- S Y S T E M ---------------
OS:Ubuntu 11.10 (oneiric)
uname:Linux 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC
2012 x86_64
libc:glibc 2.13 NPTL 2.13
rlimit: STACK 8192k, CORE 0k, NPROC 15928, NOFILE 4096, AS infinity
load average:0.33 0.54 0.41
/proc/meminfo:
MemTotal: 2056724 kB
MemFree: 206704 kB
Buffers: 152296 kB
Cached: 667760 kB
SwapCached: 0 kB
Active: 1232892 kB
Inactive: 460964 kB
Active(anon): 874456 kB
Inactive(anon): 1556 kB
Active(file): 358436 kB
Inactive(file): 459408 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 522236 kB
SwapFree: 522236 kB
Dirty: 84 kB
Writeback: 0 kB
AnonPages: 873796 kB
Mapped: 146956 kB
Shmem: 2216 kB
Slab: 98032 kB
SReclaimable: 81956 kB
SUnreclaim: 16076 kB
KernelStack: 2696 kB
PageTables: 21380 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1550596 kB
Committed_AS: 2131192 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 274084 kB
VmallocChunk: 34359461312 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 36864 kB
DirectMap2M: 2060288 kB
CPU:total 1 (1 cores per cpu, 1 threads per core) family 6 model 42
stepping 7, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1,
sse4.2, popcnt
Memory: 4k page, physical 2056724k(206704k free), swap 522236k(522236k
free)
vm_info: OpenJDK 64-Bit Server VM (20.0-b11) for linux-amd64 JRE
(1.6.0_23-b23), built on Feb 23 2012 05:39:46 by "buildd" with gcc
4.6.1
time: Thu May 3 18:18:04 2012
elapsed time: 7 seconds
=======================================
Question 1. Is any Java example?
QUestion 2. based on my code snippet, what did I do wrong?