You can't easily truss a java process as you are seeing the JVM's system calls, not the java code within.
That said, the message you are seeing is saying that the HANGUP (HUP) signal was received - you can shield a process from HUP signals (this used to be very important back in the old unreliable days of modem connections that would routinely vanish) by starting you process via 'nohup'
eg
I'm a DBA so no abuse please! I've for 5 Oracle Forms processes that are spinning and am trying to find out if they're doing anything:
Running HPUX 11.11
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
9 ? 2735 oracle 241 20 24228K 16668K run 2607:29 84.92... (2 Replies)
I have tried to analyze the log of truss shown below. I haven't found anything clear for me indicating the problem. The process is the server that accepts client connections. To establish the connection it starts the child thread then it should transfer data. In reality it gets only connection.... (1 Reply)
Hi,
We keep getting hanging Oracle process for our ETL. The dba's asked me to do o truss. All I see is pages and pages of the following,:cool:
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0... (0 Replies)
Hi all,
while trying to debug and figure out why a lofiadm command was not working on my script, i came across a cmd called "truss"
all i know about it is that it executes the specified command and produces a trace of the system calls it performs, the signals it receives, and the machine faults... (5 Replies)
Hi
I have to get redirect the truss ouput to file.
I am doing truss -p 12121 >> output.txt
But it still displays on the screen adn output.txt is empty
Can some help how to do this?
Thanks in advance
Ammu (1 Reply)
i have to gather some info about a process and redirect it to a1.txt file. For this i m using truss command
truss -po a1.txt $PID_Detail
where $PID_Detail= 1482944 3362976
--------------------------------------------------------------------------
Below the script:
#!/bin/ksh
for i... (6 Replies)
Hello,
I'm using AIX 5.3.12.5 and trying to understand truss output.
I'm running a job with real time of 16 minutes but only 4 minutes of CPU time. I'm trying to understand what the process is doing.
I'm getting a lot of
kread,
kpread,
kwrite,
kpwrite...
localhost:~ x$ grep... (1 Reply)
Hi,
I want to trace a background java program which runs in infinite loop. I have used truss command for this.
But the program terminated after some hours with below truss output:
Received signal #1, SIGHUP, in lwp_cond_wait()
/1: siginfo: SIG#0
Please let me know what... (0 Replies)
hi, anyone can help on this piece of truss output?
8094: 0.7028 write(4, 0x0043BE90, 236) = 236
8094: T S H \0\0\0EC020101\0\0\0\0\0\0\0\0\0 "02\0\0 303\0\0 I D
8094: \f %\0\0\0\0 2\0F67F\0\0\0\0 @06FFC99A ;
8094: L D6\0 303
8094: ... (6 Replies)
Hi,
I am trying to set ulimit for soft stack unlimited, but this is not taking effect, after tracing the ulimit -a unlimited command, the below output was generated, which i am unable to comprehend. Could any one help me with this?
prcbap1-r10prod: truss -d ulimit -s unlimited
Tue Dec 30... (2 Replies)
Discussion started by: NasirAbbasi
2 Replies
LEARN ABOUT SUSE
java-functions
java-functions(7) RPM Java packaging java-functions(7)NAME
java-functions - Functions library for Java applications. Written for the JPackage Project <http://www.jpackage.org/>:
SYNOPSIS
set_jvm()
Set the java virtual machine. Use a JAVA_HOME if defined, or try to find it from java command
set_classpath()
Set the classpath - this functions requires a valid JAVA_HOME, JAVACMD, and JAVA_LIBDIR. JARs could be specified as an argument, or
via ADDITIONAL_JARS variable.
set_javacmd()
set the JAVACMD variable. Options should be passed via JAVACMD_OPTS variable.
set_flags()
set FLAGS variable. They could be specified as an argument, or via ADDITIONAL_FLAGS variable.
set_options()
set OPTIONS variable. They could be specified as an argument, or via ADDITIONAL_OPTIONS variable.
run()
run the application. It executed a following command. If VERBOSE is defined, then it prints the command to stdout.
exec $JAVACMD $FLAGS -classpath $CLASSPATH $OPTIONS $MAIN_CLASS "$@"
set_jvm_dirs()
set JVM-related directories (JVM_LIBDIR, JAVA_VERSION, JAVAVER_LIBDIR and JAVAVER_JNIDIR variables). Requires a correct JAVA_LIBDIR,
JAVA_HOME and JAVA_CMD.
link_jar_repository()
links a jar repository. Options could be found in build-jar-repository(1)
find_jar()
finds a specific extention (jar or directory). Requires a correct JAVA_LIBDIR, JAVAVER_LIBDIR and JVM_LIBDIR. Used by find-jar(1) com-
mand.
do_find_jar()
core routine used by find_jar()
check_java_env()
checks java environment - the JAVA_HOME, JAVACMD, JAVA_LIBDIR, JNI_LIBDIR variables.
DESCRIPTION
This is a library of generic shell functions which should be used on jpackage.org compatible distributions.
FILES
/use/share/java-utils/java-functions
shell script functions library for Java applications
/etc/java/java.conf
system-wide Java configuration file
~/.java/java.conf
user's Java configuration
SEE ALSO
Regular Manual Pages
build-jar-repository(1)find-jar(1)java.conf(5)jpackage-utils(7)AUTHORS
Guillaume Rousse <guillomovitch@sourceforge.net>
Ville Skytta <scop at jpackage.org>
David Walluck <david@jpackage.org>
Nicolas Mailhot <Nicolas.Mailhot at laPoste.net>
REPORTING BUGS
Report bugs using JPackage Bugzilla (http://www.jpackage.org/bugzilla/)
jpackage-utils 1.7.5 February 2009 java-functions(7)