[
https://issues.jboss.org/browse/JBWEB-201?page=com.atlassian.jira.plugin....
]
David Richmond commented on JBWEB-201:
--------------------------------------
I get the same problem on JBoss 7.0.1.Final using JBossNative 2.0.10 and JDK 1.6.0_27 on
Windows XP.
This is a new almost empty JBoss 7 install, since I have just started looking at the new
version. JVM crash happens on first access to any web-app.
Workaround is to remove JBossNative (i.e. no DLL = no problem).
JVM Crash Log:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x55058c9a, pid=2928, tid=4940
#
# JRE version: 6.0_27-b07
# Java VM: Java HotSpot(TM) Server VM (20.2-b06 mixed mode windows-x86 )
# Problematic frame:
# C [tcnative-1.dll+0x18c9a]
#
# If you would like to submit a bug report, please visit:
#
http://java.sun.com/webapps/bugreport/crash.jsp
# 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 (0x53fa9800): JavaThread "ajp--127.0.0.1-8009-Poller" daemon
[_thread_in_native, id=4940, stack(0x55450000,0x554a0000)]
siginfo: ExceptionCode=0xc0000005, reading address 0x00000004
Registers:
EAX=0x551a7780, EBX=0x5549f9a4, ECX=0x00000001, EDX=0x00000000
ESP=0x5549f97c, EBP=0x5549f988, ESI=0x5549f9b8, EDI=0x551ab79c
EIP=0x55058c9a, EFLAGS=0x00010246
Top of Stack: (sp=0x5549f97c)
0x5549f97c: 00000001 5549f9b8 551b6790 5549f9b8
0x5549f98c: 5504652e 551a7780 5549f9a4 53fa9800
0x5549f99c: 054c5d40 054c5d40 00000000 00000001
0x5549f9ac: 00000001 00000000 551e5a68 5549fa00
0x5549f9bc: 00cdef8f 53fa9928 5549fa08 551b6790
0x5549f9cc: 00000000 551e5a68 00000000 00000001
0x5549f9dc: 40db8b80 5549f9e0 00000000 5549fa20
0x5549f9ec: 054c6318 00000000 054c5d40 00000000
Instructions: (pc=0x55058c9a)
0x55058c7a: 89 8b f3 8d 3c 8a b9 05 00 00 00 f3 a5 8b 53 04
0x55058c8a: b9 01 00 00 00 3b d1 0f 85 e2 00 00 00 8b 53 0c
0x55058c9a: 8b 7a 04 8a 53 08 84 d1 74 2f 8b 50 0c 33 c9 85
0x55058caa: d2 76 0f 8d 70 10 39 3e 74 08 41 83 c6 04 3b ca
Register to memory mapping:
EAX=0x551a7780 is an unknown value
EBX=0x5549f9a4 is pointing into the stack for thread: 0x53fa9800
ECX=0x00000001 is an unknown value
EDX=0x00000000 is an unknown value
ESP=0x5549f97c is pointing into the stack for thread: 0x53fa9800
EBP=0x5549f988 is pointing into the stack for thread: 0x53fa9800
ESI=0x5549f9b8 is pointing into the stack for thread: 0x53fa9800
EDI=0x551ab79c is an unknown value
Stack: [0x55450000,0x554a0000], sp=0x5549f97c, free space=318k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [tcnative-1.dll+0x18c9a]
C [tcnative-1.dll+0x652e] Java_org_apache_tomcat_jni_Poll_add+0xae
j org.apache.tomcat.jni.Poll.add(JJI)I+0
j org.apache.tomcat.util.net.AprEndpoint$Poller.addToPoller(JI)Z+35
j org.apache.tomcat.util.net.AprEndpoint$Poller.run()V+464
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub
V [jvm.dll+0x10e23d]
V [jvm.dll+0x1a5791]
V [jvm.dll+0x10e3f1]
V [jvm.dll+0x10e44b]
V [jvm.dll+0xc0799]
V [jvm.dll+0x12dbe4]
V [jvm.dll+0x15601c]
C [msvcr71.dll+0x9565] endthreadex+0xa0
C [kernel32.dll+0xb729] GetModuleFileNameA+0x1ba
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j org.apache.tomcat.jni.Poll.add(JJI)I+0
j org.apache.tomcat.util.net.AprEndpoint$Poller.addToPoller(JI)Z+35
j org.apache.tomcat.util.net.AprEndpoint$Poller.run()V+464
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x53a85400 JavaThread "ajp--127.0.0.1-8009-1" daemon [_thread_blocked,
id=4932, stack(0x555e0000,0x55630000)]
0x53d4f800 JavaThread "DeploymentScanner-threads - 2" [_thread_blocked,
id=2956, stack(0x55590000,0x555e0000)]
0x53d4d800 JavaThread "DeploymentScanner-threads - 1" [_thread_blocked,
id=5020, stack(0x55540000,0x55590000)]
0x53dab800 JavaThread "ajp--127.0.0.1-8009-Acceptor" daemon
[_thread_in_native, id=4376, stack(0x554f0000,0x55540000)]
0x53d34400 JavaThread "ajp--127.0.0.1-8009-EventPoller" daemon
[_thread_blocked, id=5656, stack(0x554a0000,0x554f0000)]
=>0x53fa9800 JavaThread "ajp--127.0.0.1-8009-Poller" daemon
[_thread_in_native, id=4940, stack(0x55450000,0x554a0000)]
0x53c78400 JavaThread "http--127.0.0.1-8080-Acceptor" daemon
[_thread_in_native, id=1092, stack(0x55400000,0x55450000)]
0x53b39800 JavaThread "http--127.0.0.1-8080-Sendfile" daemon [_thread_blocked,
id=5572, stack(0x553b0000,0x55400000)]
0x53fe3400 JavaThread "http--127.0.0.1-8080-EventPoller" daemon
[_thread_blocked, id=2256, stack(0x55360000,0x553b0000)]
0x54059c00 JavaThread "http--127.0.0.1-8080-Poller" daemon [_thread_blocked,
id=5152, stack(0x55310000,0x55360000)]
0x54000800 JavaThread
"ContainerBackgroundProcessor[StandardEngine[jboss.web]]" daemon
[_thread_blocked, id=4912, stack(0x552c0000,0x55310000)]
0x536d0800 JavaThread "Transaction Reaper Worker 0" daemon [_thread_blocked,
id=5856, stack(0x558f0000,0x55940000)]
0x536cf400 JavaThread "Transaction Reaper" daemon [_thread_blocked, id=5276,
stack(0x558a0000,0x558f0000)]
0x53820400 JavaThread "Periodic Recovery" [_thread_blocked, id=5640,
stack(0x55850000,0x558a0000)]
0x52fad800 JavaThread "Transaction Expired Entry Monitor" daemon
[_thread_blocked, id=432, stack(0x55800000,0x55850000)]
0x53a48000 JavaThread "GC Daemon" daemon [_thread_blocked, id=3520,
stack(0x557b0000,0x55800000)]
0x53ce7400 JavaThread "RMI Reaper" [_thread_blocked, id=4460,
stack(0x55760000,0x557b0000)]
0x5346b400 JavaThread "RMI TCP Accept-1091" daemon [_thread_in_native,
id=4260, stack(0x55710000,0x55760000)]
0x539b4800 JavaThread "RMI TCP Accept-1090" daemon [_thread_in_native,
id=4332, stack(0x556c0000,0x55710000)]
0x5342a400 JavaThread "Thread-7" [_thread_in_native, id=384,
stack(0x55270000,0x552c0000)]
0x53c74800 JavaThread "server-timer" daemon [_thread_blocked, id=3944,
stack(0x55220000,0x55270000)]
0x53d49800 JavaThread "XNIO NIO Write 1" [_thread_in_native, id=4948,
stack(0x54ff0000,0x55040000)]
0x53ba2400 JavaThread "XNIO NIO Read 1" [_thread_in_native, id=2608,
stack(0x54fa0000,0x54ff0000)]
0x00378000 JavaThread "DestroyJavaVM" [_thread_blocked, id=692,
stack(0x003b0000,0x00400000)]
0x53329400 JavaThread "MSC service thread 1-4" [_thread_blocked, id=1904,
stack(0x53f00000,0x53f50000)]
0x53511400 JavaThread "MSC service thread 1-3" [_thread_blocked, id=5188,
stack(0x53eb0000,0x53f00000)]
0x534f5400 JavaThread "MSC service thread 1-2" [_thread_blocked, id=5692,
stack(0x53e60000,0x53eb0000)]
0x53443c00 JavaThread "MSC service thread 1-1" [_thread_blocked, id=6064,
stack(0x53e10000,0x53e60000)]
0x53049000 JavaThread "Reference Reaper" daemon [_thread_blocked, id=4280,
stack(0x531a0000,0x531f0000)]
0x52ab8000 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=5532,
stack(0x52f00000,0x52f50000)]
0x52ab5400 JavaThread "C2 CompilerThread1" daemon [_thread_blocked, id=5136,
stack(0x52eb0000,0x52f00000)]
0x52ab2c00 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=5560,
stack(0x52e60000,0x52eb0000)]
0x52aac000 JavaThread "JDWP Event Helper Thread" daemon [_thread_blocked,
id=3080, stack(0x52e10000,0x52e60000)]
0x52aa8800 JavaThread "JDWP Transport Listener: dt_socket" daemon
[_thread_in_native, id=4916, stack(0x52dc0000,0x52e10000)]
0x52a9d400 JavaThread "Attach Listener" daemon [_thread_blocked, id=996,
stack(0x52cc0000,0x52d10000)]
0x52a9c000 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=3248,
stack(0x52c70000,0x52cc0000)]
0x52a8e400 JavaThread "Finalizer" daemon [_thread_blocked, id=2248,
stack(0x52c20000,0x52c70000)]
0x52a89800 JavaThread "Reference Handler" daemon [_thread_blocked, id=5716,
stack(0x52bd0000,0x52c20000)]
Other Threads:
0x52a85c00 VMThread [stack: 0x52b80000,0x52bd0000] [id=5836]
0x52ac2000 WatcherThread [stack: 0x52f50000,0x52fa0000] [id=2680]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
PSYoungGen total 59712K, used 11914K [0x3d840000, 0x41ae0000, 0x52590000)
eden space 51200K, 11% used [0x3d840000,0x3de1a108,0x40a40000)
from space 8512K, 69% used [0x40a40000,0x41008978,0x41290000)
to space 8512K, 0% used [0x41290000,0x41290000,0x41ae0000)
PSOldGen total 136576K, used 6019K [0x13d90000, 0x1c2f0000, 0x3d840000)
object space 136576K, 4% used [0x13d90000,0x14370ff8,0x1c2f0000)
PSPermGen total 41856K, used 34619K [0x03d90000, 0x06670000, 0x13d90000)
object space 41856K, 82% used [0x03d90000,0x05f5ee60,0x06670000)
Code Cache [0x00cd0000, 0x00f10000, 0x03cd0000)
total_blobs=478 nmethods=320 adapters=120 free_code_cache=49271552
largest_free_block=22656
Dynamic libraries:
0x00400000 - 0x00424000 C:\JavaServer\jdk1.6.0_27\bin\java.exe
0x7c900000 - 0x7c9b2000 C:\WINDOWS\system32\ntdll.dll
0x7c800000 - 0x7c8f6000 C:\WINDOWS\system32\kernel32.dll
0x002c0000 - 0x0032c000 C:\WINDOWS\SYSTEM32\SYSFER.DLL
0x77dd0000 - 0x77e6b000 C:\WINDOWS\system32\ADVAPI32.dll
0x77e70000 - 0x77f03000 C:\WINDOWS\system32\RPCRT4.dll
0x77fe0000 - 0x77ff1000 C:\WINDOWS\system32\Secur32.dll
0x7c340000 - 0x7c396000 C:\JavaServer\jdk1.6.0_27\jre\bin\msvcr71.dll
0x6db70000 - 0x6dfc8000 C:\JavaServer\jdk1.6.0_27\jre\bin\server\jvm.dll
0x7e410000 - 0x7e4a1000 C:\WINDOWS\system32\USER32.dll
0x77f10000 - 0x77f59000 C:\WINDOWS\system32\GDI32.dll
0x76b40000 - 0x76b6d000 C:\WINDOWS\system32\WINMM.dll
0x76390000 - 0x763ad000 C:\WINDOWS\system32\IMM32.DLL
0x6d850000 - 0x6d85c000 C:\JavaServer\jdk1.6.0_27\jre\bin\verify.dll
0x6d3d0000 - 0x6d3ef000 C:\JavaServer\jdk1.6.0_27\jre\bin\java.dll
0x6d420000 - 0x6d449000 C:\JavaServer\jdk1.6.0_27\jre\bin\jdwp.dll
0x6d740000 - 0x6d746000 C:\JavaServer\jdk1.6.0_27\jre\bin\npt.dll
0x6d890000 - 0x6d89f000 C:\JavaServer\jdk1.6.0_27\jre\bin\zip.dll
0x6d2b0000 - 0x6d2b7000 C:\JavaServer\jdk1.6.0_27\jre\bin\dt_socket.dll
0x71ab0000 - 0x71ac7000 C:\WINDOWS\system32\WS2_32.dll
0x77c10000 - 0x77c68000 C:\WINDOWS\system32\msvcrt.dll
0x71aa0000 - 0x71aa8000 C:\WINDOWS\system32\WS2HELP.dll
0x71a50000 - 0x71a8f000 C:\WINDOWS\System32\mswsock.dll
0x76f20000 - 0x76f47000 C:\WINDOWS\system32\DNSAPI.dll
0x76d60000 - 0x76d79000 C:\WINDOWS\system32\iphlpapi.dll
0x76fb0000 - 0x76fb8000 C:\WINDOWS\System32\winrnr.dll
0x76f60000 - 0x76f8c000 C:\WINDOWS\system32\WLDAP32.dll
0x76fc0000 - 0x76fc6000 C:\WINDOWS\system32\rasadhlp.dll
0x662b0000 - 0x66308000 C:\WINDOWS\system32\hnetcfg.dll
0x71a90000 - 0x71a98000 C:\WINDOWS\System32\wshtcpip.dll
0x6d600000 - 0x6d609000 C:\JavaServer\jdk1.6.0_27\jre\bin\management.dll
0x6d830000 - 0x6d838000 C:\JavaServer\jdk1.6.0_27\jre\bin\sunmscapi.dll
0x77a80000 - 0x77b15000 C:\WINDOWS\system32\CRYPT32.dll
0x77b20000 - 0x77b32000 C:\WINDOWS\system32\MSASN1.dll
0x6d6b0000 - 0x6d6c3000 C:\JavaServer\jdk1.6.0_27\jre\bin\net.dll
0x68000000 - 0x68036000 C:\WINDOWS\system32\rsaenh.dll
0x6d6d0000 - 0x6d6d9000 C:\JavaServer\jdk1.6.0_27\jre\bin\nio.dll
0x769c0000 - 0x76a74000 C:\WINDOWS\system32\USERENV.dll
0x5b860000 - 0x5b8b5000 C:\WINDOWS\system32\netapi32.dll
0x55040000 - 0x55119000 C:\JavaServer\jboss-as-web-7.0.1.Final\bin\native\tcnative-1.dll
0x76bf0000 - 0x76bfb000 C:\WINDOWS\system32\PSAPI.DLL
0x77f60000 - 0x77fd6000 C:\WINDOWS\system32\SHLWAPI.dll
0x76d40000 - 0x76d58000 C:\WINDOWS\system32\MPRAPI.dll
0x77cc0000 - 0x77cf2000 C:\WINDOWS\system32\ACTIVEDS.dll
0x76e10000 - 0x76e35000 C:\WINDOWS\system32\adsldpc.dll
0x76b20000 - 0x76b31000 C:\WINDOWS\system32\ATL.DLL
0x774e0000 - 0x7761e000 C:\WINDOWS\system32\ole32.dll
0x77120000 - 0x771ab000 C:\WINDOWS\system32\OLEAUT32.dll
0x76e80000 - 0x76e8e000 C:\WINDOWS\system32\rtutils.dll
0x71bf0000 - 0x71c03000 C:\WINDOWS\system32\SAMLIB.dll
0x77920000 - 0x77a13000 C:\WINDOWS\system32\SETUPAPI.dll
0x6d0b0000 - 0x6d1fc000 C:\JavaServer\jdk1.6.0_27\jre\bin\awt.dll
0x73000000 - 0x73026000 C:\WINDOWS\system32\WINSPOOL.DRV
0x773d0000 - 0x774d3000
C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.6028_x-ww_61e65202\COMCTL32.dll
VM Arguments:
jvm_args: -Dprogram.name=standalone.bat -Xms200m -Xmx1000m -XX:MaxPermSize=256m
-Duser.language=EN -Duser.country=US
-Djava.library.path=C:\JavaServer\jboss-as-web-7.0.1.Final/bin/native;C:\JavaServer\jdk1.6.0_27/bin
-Djava.io.tmpdir=C:\JavaServer\jboss-as-web-7.0.1.Final\temp -Disa.mode=LOCAL
-Disa.javaserver=C:\JavaServer
-Dorg.apache.tomcat.util.http.ServerCookie.FWD_SLASH_IS_SEPARATOR=false
-Disa.ssl.certificate=C:\JavaServer/certificates/localhost.pem
-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=localhost:8000
-Dorg.jboss.boot.log.file=C:\JavaServer\jboss-as-web-7.0.1.Final\standalone\log\boot.log
-Dlogging.configuration=file:C:\JavaServer\jboss-as-web-7.0.1.Final/standalone/configuration/logging.properties
java_command: C:\JavaServer\jboss-as-web-7.0.1.Final\jboss-modules.jar -mp
C:\JavaServer\jboss-as-web-7.0.1.Final\modules -logmodule org.jboss.logmanager -jaxpmodule
javax.xml.jaxp-provider org.jboss.as.standalone
-Djboss.home.dir=C:\JavaServer\jboss-as-web-7.0.1.Final
Launcher Type: SUN_STANDARD
Environment Variables:
JAVA_HOME=C:\JavaServer\jdk1.6.0_27
PATH=C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program
Files\Oracle_Corp\Oracle9i_Client_9_EN\ora92\bin
USERNAME=CHKDRIC
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 6 Model 23 Stepping 10, GenuineIntel
--------------- S Y S T E M ---------------
OS: Windows XP Build 2600 Service Pack 3
CPU:total 2 (2 cores per cpu, 1 threads per core) family 6 model 23 stepping 10, cmov,
cx8, fxsr, mmx, sse, sse2, sse3, ssse3
Memory: 4k page, physical 3370532k(1323440k free), swap 5298476k(2961756k free)
vm_info: Java HotSpot(TM) Server VM (20.2-b06) for windows-x86 JRE (1.6.0_27-b07), built
on Jul 19 2011 00:55:35 by "java_re" with MS VC++ 7.1 (VS2003)
time: Tue Sep 06 07:15:59 2011
elapsed time: 11 seconds
JBoss Web Native causes JVM crash
---------------------------------
Key: JBWEB-201
URL:
https://issues.jboss.org/browse/JBWEB-201
Project: JBoss Web
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: Tomcat
Affects Versions: JBossWeb-3.0.0.CR1
Environment: RHEL x64. JBoss AS 6.0.0.Final
Reporter: Phil Haigh
Assignee: Remy Maucherat
Labels: jboss, native
Attachments: hs_err_pid14823.log
Install latest JBoss native (2.0.9) libraries on JBossAS 6.0.0.Final (which uses JBoss
Web 3.0.0.CR1), JDK 1.6.0_26 and JVM crashes out soon after application start.
Snippet from crash report (full file attached):
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00002aaab5b0f468, pid=14823, tid=1191192896
#
# JRE version: 6.0_26-b03
# Java VM: Java HotSpot(TM) 64-Bit Server VM (20.1-b02 mixed mode linux-amd64 compressed
oops)
# Problematic frame:
# C [libapr-1.so.0+0x1d468] signed char+0x68
#
# If you would like to submit a bug report, please visit:
#
http://java.sun.com/webapps/bugreport/crash.jsp
# 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 (0x00002aaac2d09000): JavaThread "ajp-127.0.0.1-8009-Poller"
daemon [_thread_in_native, id=15006, stack(0x0000000046
f02000,0x0000000047003000)]
siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR),
si_addr=0x0000000000000008
Registers:
RAX=0x0000000000000000, RBX=0x0000000047001ad0, RCX=0x0000000047001a90,
RDX=0x00002aaac453f688
RSP=0x0000000047001a90, RBP=0x00002aaac2d06b38, RSI=0x0000000000000001,
RDI=0x0000000000000259
R8 =0x0000000000000001, R9 =0x00002aaac453f688, R10=0x00002aaaab02eadf,
R11=0x00002ba6c4d23170
R12=0x00002aaac453f688, R13=0x0000000047001a90, R14=0x0000000000000000,
R15=0x00002aaac2d09000
RIP=0x00002aaab5b0f468, EFLAGS=0x0000000000010206, CSGSFS=0x0000000000000033,
ERR=0x0000000000000004
TRAPNO=0x000000000000000e
Top of Stack: (sp=0x0000000047001a90)
0x0000000047001a90: c453f68800000001 00002ba600002aaa
0x0000000047001aa0: 00002aaac4f365f8 0000000047001ad0
0x0000000047001ab0: 0000000000000000 00000007ea4d0e58
0x0000000047001ac0: 0000000047001bb8 00002aaab564c147
0x0000000047001ad0: 0000000000000000 0000000100000001
0x0000000047001ae0: 0000000000000000 00000000514505e8
0x0000000047001af0: 00002aaac2d09000 00000007ea4d0e58
0x0000000047001b00: 0000000047001b78 00002aaaab02eb0c
0x0000000047001b10: 0000000000000001 00000007e002ee78
0x0000000047001b20: 0000000000000000 0000000047001bb8
0x0000000047001b30: 0000000047001b88 0000000047001b38
0x0000000047001b40: 0000000000000000 0000000047001bb8
0x0000000047001b50: 00000007ea4d1788 0000000000000000
0x0000000047001b60: 00000007ea4d0e58 0000000000000000
0x0000000047001b70: 0000000047001b98 0000000047001c00
0x0000000047001b80: 00002aaaab02296e 00000007ea4d16b8
0x0000000047001b90: 00002aaaab02b8d6 0000000000000001
0x0000000047001ba0: 00000000514505e8 00002aaaab022a82
0x0000000047001bb0: 00002aaac4f365f8 000000077bfff118
0x0000000047001bc0: 0000000047001bc0 00000007ea4beb73
0x0000000047001bd0: 0000000047001c38 00000007ea4c2f18
0x0000000047001be0: 0000000000000000 00000007ea4bebf0
0x0000000047001bf0: 0000000047001b98 0000000047001c20
0x0000000047001c00: 0000000047001c90 00002aaaab02285a
0x0000000047001c10: 0000000000000000 00000000ffffffff
0x0000000047001c20: 0000000000000001 00000000514505e8
0x0000000047001c30: 000000077c01bc68 000000077b6059e8
0x0000000047001c40: 0000000000000009 0000000000000000
0x0000000047001c50: 0000000047001c40 00000007ea4bf518
0x0000000047001c60: 0000000047001ce0 00000007ea4c2f18
0x0000000047001c70: 00000007ea74b790 00000007ea4bfac0
0x0000000047001c80: 0000000047001c20 0000000047001ce0
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