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InstantDB: SIGSEGV problem


Hello Peter and everyone else,

I upgraded to InstantDB 3.13 from 3.10 this week on both
an AIX and WindowsNT platform. Unfortunately, on AIX I
receive a SIGSEGV signal causing the DB-CLUI to dump core
about 9 out of 10 times. The problem does not seem present
on WindowsNT. I have attached the javacore.txt file
for your perusal. I can also make available the core
file if needed.

Has anyone else run into this problem? Is there a fix
and/or workaround? Although 3.10 seems to be
behaving as expected I'd like to upgrade to 3.13 or higher.

Thanks for any feedback!
Bregitte
SIGSEGV received at 204c2470 in . Processing terminated
java full version "JDK 1.1.6 IBM build a116-19990714 (JIT enabled: jitc)"
args: /usr/jdk_base/bin/aix/native_threads/java -DNPM_PROPERTY_FILE=/sdm/configdata/npm/NPM.properties NpmServer/DBClui

Operating Environment
---------------------
Host			: 300ppk_snm:47.165.202.45
OS Level		: AIX 
Processors -
	Architecture	: POWER_PC (impl: POWER_604, ver: PV_604)
	How Many	: 1
	Enabled		: 1

User Limits (in bytes except for NOFILE and NPROC) -
	RLIMIT_FSIZE	: 1073741312
	RLIMIT_DATA	: 134217728
	RLIMIT_STACK	: 33554432
	RLIMIT_CORE	: 1073741312
	NOFILE(max)	: 32767
	NPROC(max)	: 131072

Page Space (in blocks) -
	/dev/hd6: size=131072, free=124177

Application Environment
-----------------------
Signal Handlers -
	SIGQUIT		: sysThreadIDump (libjava.a)
	SIGILL		: sysThreadIDump (libjava.a)
	SIGTRAP		: JITSigTrapHandler (libjitc.a)
	SIGABRT		: sysThreadIDump (libjava.a)
	SIGFPE		: sysThreadIDump (libjava.a)
	SIGBUS		: sysThreadIDump (libjava.a)
	SIGSEGV		: sysThreadIDump (libjava.a)
	SIGSYS		: sysThreadIDump (libjava.a)
	SIGPIPE		: ignored
	SIGUSR1		: sysThreadIHUSR1 (libjava.a)
	SIGUSR2		: sysThreadIDump (libjava.a)

Environment Variables -
	_=/usr/jdk_base/bin/aix/native_threads/java
	ESCDELAY=5000
	LANG=en_US
	LOGIN=root
	NLSPATH=/usr/lib/nls/msg/%L/%N:/usr/lib/nls/msg/%L/%N.cat
	PATH=/sdm/npm/bin:/sdm/crba/crba/bin:/usr/jdk_base/bin:/sdmtools/bin:/sdm/snm/bin:/usr/sbin:/bin:/usr/bin:/etc:/usr/rbin
	ORBIXROOT=/sdm/crba/crba
	LC__FASTMSG=true
	EDITOR=vi
	CLASSPATH=/npm/harlow_test/Database/idb.jar:/npm/harlow_test/Database/idbf.jar://sdm/npm/classes/NPM.jar:/sdm/configdata/npm:/sdm/npm/classes/NPM.jar:/sdm/npm/classes/idb.jar:/sdm/npm/classes/idbj.jar:/usr/jdk_base/lib/classes.zip:/sdm/3rdparty/adventnet/classes/AdventNet.jar:/sdm/3rdparty/adventnet_v3/classes/AdventNetSnmp.jar:/sdm/3rdparty/jtgo/classes/jtgo.jar:/sdm/3rdparty/jviews/classes/jviewsall.jar:/sdm/3rdparty/orbixweb/classes:/sdm/3rdparty/orbixweb/classes/orbixweb.jar:/sdm/3rdparty/swing_1.1/classes/swing.jar:/sdm/configdata/snm:/sdm/snm/classes/EPM.jar:/sdm/configdata/snm:/sdm/snm/classes/SM.jar:.:/usr/jdk_base/classes:/usr/jdk_base/lib/classes.jar:/usr/jdk_base/lib/rt.jar:/usr/jdk_base/lib/i18n.jar:/usr/jdk_base/lib/classes.zip
	LOGNAME=root
	ORBIXWEB_ROOT=/sdm/crba/crba
	MAIL=/usr/spool/mail/root
	LOCPATH=/usr/lib/nls/loc
	USER=root
	IT_CONFIG_PATH=/sdm/configdata/crba
	AUTHSTATE=compat
	DISPLAY=:0.0
	SHELL=/sdmtools/bin/cm_screener
	ODMDIR=/etc/objrepos
	JAVA_HOME=/usr/jdk_base
	JAVAHOME=/opt/java/bin/java
	TMOUT=0
	HOME=/home/root
	TERM=xterm
	MAILMSG=[YOU HAVE NEW MAIL]
	PWD=/npm/harlow_test
	TZ=EST5EDT-06:00:0,M3.5.0/02:00:00,M10.4.0/02:00:00
	A__z=! LOGNAME="*TMOUT
	LIBPATH=/usr/jdk_base/lib/aix/native_threads:/sdm/crba/crba/lib:/sdm/snm/lib:/sdm/npm/lib

Loaded Libraries (sizes in bytes)
---------------------------------
/usr/jdk_base/lib/aix/native_threads/libzip.a
	filesize	: 62151
	text start	: d0ce4000
	text size	: f2c7
	data start	: 20216258
	date size	: 2858
/usr/jdk_base/lib/aix/native_threads/libjitc.a
	filesize	: 1061589
	text start	: d0d79000
	text size	: 1032d5
	data start	: 20201050
	date size	: 4c50
/usr/lib/libiconv.a
	filesize	: 369664
	text start	: d01af100
	text size	: 137fe
	data start	: f02dacd8
	date size	: a0b0
/usr/lib/libi18n.a
	filesize	: 122951
	text start	: d01a7100
	text size	: 7904
	data start	: f0038500
	date size	: 111c
/usr/lib/nls/loc/en_US
	filesize	: 14366
	text start	: d01a1000
	text size	: 2d71
	data start	: d01a4130
	date size	: 2324
/usr/jdk_base/lib/aix/native_threads/libjava.a
	filesize	: 691709
	text start	: d0c3b000
	text size	: a8dfd
	data start	: f03ffc38
	date size	: 42e80
/usr/lib/libcrypt.a
	filesize	: 11167
	text start	: d01a00f8
	text size	: 87a
	data start	: f0053528
	date size	: 13c
/usr/lib/libc.a
	filesize	: 5930595
	text start	: d00005c0
	text size	: 19ecef
	data start	: f0104800
	date size	: 61f70
/usr/lib/libpthreads.a
	filesize	: 666694
	text start	: d0242000
	text size	: 1fe7
	data start	: f01a5000
	date size	: 41004
/usr/lib/libpthreads.a
	filesize	: 666694
	text start	: d0225000
	text size	: 1c5fe
	data start	: f01a1000
	date size	: 3008


Current Thread Details
----------------------
    "main" (TID:0x3002bd70, sys_thread_t:0x20006838)
    Native Thread State: ThreadID: 00000001 Reuse: 1 USER PRIMORDIAL RUNNING
    Native Stack Data  : base: 2ff225bc pointer 2ff21068 used(5460) free(252588)
	----- Monitors held -----
	db.Transaction@300d5060
	jdbc.idbStatement@30342758
	----- Native stack -----
	unavailable - context not saved
	------ Java stack ------        () prio=5 *current thread*
----------------------------------------------------------------------


Total Thread Count:	4
Active Thread Count:	4
JNI Thread Count:	0

Full thread dump:
    "patchdb$timer" (TID:0x300d52f0, sys_thread_t:0x202969b8)
    Native Thread State: ThreadID: 00000304 Reuse: 1 USER  MONITOR WAIT
    Native Stack Data  : base: 20332ac0 pointer 20331f48 used(2936) free(255112)
	----- Monitors held -----
	----- Native stack -----
	sysThreadBlockingSection
	sysMonitorWait
	sysThreadSleep
	threadSleep
	java_lang_Thread_sleep
	------ Java stack ------        () prio=5
	db.Database.run(Compiled Code)
	java.lang.Thread.run(Compiled Code)
----------------------------------------------------------------------

    "Async Garbage Collector" (TID:0x3002bd00, sys_thread_t:0x200ed948)
    Native Thread State: ThreadID: 00000203 Reuse: 1 DAEMON  MONITOR WAIT
    Native Stack Data  : base: 201e3030 pointer 201e2cf8 used(824) free(257224)
	----- Monitors held -----
	----- Native stack -----
	sysThreadBlockingSection
	sysMonitorWait
	sysThreadSleep
	threadSleep
	gc_loop
	sysThread_shell
	_pthread_body
	y0A|`
	------ Java stack ------        () prio=1
----------------------------------------------------------------------

    "Finalizer thread" (TID:0x3002bd38, sys_thread_t:0x200e3848)
    Native Thread State: ThreadID: 00000102 Reuse: 1 DAEMON  MONITOR WAIT
    Native Stack Data  : base: 2019cd70 pointer 2019ca98 used(728) free(257320)
	----- Monitors held -----
	----- Native stack -----
	sysThreadBlockingSection
	sysMonitorWait - waiting on Finalize me queue lock
	finalizer_loop
	sysThread_shell
	_pthread_body
	y0A|`
	------ Java stack ------        () prio=1
----------------------------------------------------------------------

    "main" (TID:0x3002bd70, sys_thread_t:0x20006838)
    Native Thread State: ThreadID: 00000001 Reuse: 1 USER PRIMORDIAL RUNNING
    Native Stack Data  : base: 2ff225bc pointer 2ff21018 used(5540) free(252508)
	----- Monitors held -----
	db.Transaction@300d5060
	jdbc.idbStatement@30342758
	----- Native stack -----
	unavailable - context not saved
	------ Java stack ------        () prio=5 *current thread*
----------------------------------------------------------------------


System Monitor Status
---------------------
    Thread queue lock: unowned.
    Name and type hash table lock: unowned.
    String intern lock: unowned.
    JNI pinning lock: unowned.
    JNI global reference lock: unowned.
    BinClass lock: unowned.
    Class loading lock: unowned.
    Java stack lock: unowned.
    Code rewrite lock: unowned.
    Heap Lock: unowned.
    Has finalization queue lock: unowned.
    Finalize me queue lock: unowned.
		"Finalizer thread" (0x3002bd38) waiting
    Integer lock access-lock: unowned.
    Monitor cache lock: unowned.
    Monitor registry: unowned.

Object Monitor Status
---------------------
db.Transaction@300d5060: owner: "main"
jdbc.idbStatement@30342758: owner: "main"