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тАО02-24-2009 04:25 AM
тАО02-24-2009 04:25 AM
i'm starting a java application (benchmark) as a background job and then check the open files with lsof of the java process. but although i'm using the IA64 JVM on an integrity system, aries32.so is opened by the process and read from. here is the output:
java 12179 root 0u STR 157,0 0t3652 1597 /dev/pts/0->ldterm->ptem->pts
java 12179 root 1u STR 157,0 0t3652 1597 /dev/pts/0->ldterm->ptem->pts
java 12179 root 2u STR 157,0 0t3652 1597 /dev/pts/0->ldterm->ptem->pts
java 12179 root 3r REG 64,0x7 4665108 51 /usr/lib/hpux32/aries32.so
java 12179 root 4u FIFO 0xe0000001317e9108 0t0 30
java 12179 root 5u unix 64,0x8 0t0 12436 /var/spool/sockets/pwgr/client12179 (0x44bff700)
java 12179 root 6u REG 64,0x6 49929936 49742 /opt/java6/jre/lib/rt.jar
number 3r is the file i'm talking about.
i found out that the java wrapper which you normally use to start java program is a PA-RISC2.0 file:
# which java
/opt/java6/bin/java
# file /opt/java6/bin/java
/opt/java6/bin/java: PA-RISC2.0 executable dynamically linked -not stripped
so this would explain why ARIES is needed at startup, BUT why is it still open after it invoked the correct java binary (in my case /opt/java6/bin/IA64N/java).
if i start my application without the wrapper and choose the correct binary right away ARIES never gets invoked and never appears in the open files from the process.
does somebody have an explanation for this?
Solved! Go to Solution.
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тАО02-24-2009 08:59 AM
тАО02-24-2009 08:59 AM
Re: ARIES invokation + Java
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тАО02-25-2009 01:26 AM
тАО02-25-2009 01:26 AM
Re: ARIES invokation + Java
i'm normally doing this work on a VM, that's the case where ARIES is still kept open. so i also tried this on a normal server machine (no VM anymore) and there i got no sign of ARIES still being open at runtime. just like it's supposed to be in my opinion.
is there some sort of kernel configuration where one could specify this? i'm unfortunately still pretty new to HP-UX.
maybe someone also has time to check whether on his machine ARIES is kept open or not when running a Java application with the native IA64 JVM.
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тАО02-25-2009 08:56 AM
тАО02-25-2009 08:56 AM
Re: ARIES invokation + Java
Is that first process still there?
How are you checking to see if it is open? lsof?
>is there some sort of kernel configuration where one could specify this?
No, why do you care?
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тАО02-25-2009 09:18 AM
тАО02-25-2009 09:18 AM
Re: ARIES invokation + Java
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тАО02-25-2009 05:16 PM
тАО02-25-2009 05:16 PM
Re: ARIES invokation + Java
I wasn't using HPVM.
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тАО02-25-2009 11:10 PM
тАО02-25-2009 11:10 PM
SolutionThis error will be fixed in following ARIES patches (to be available by end of May 2009)
HP-UX 11.23: PHSS_39293
HP-UX 11.31: PHSS_39294
Please report this issue to HP response center and submit a defect report.
Regards
-Rajesh
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тАО02-26-2009 01:50 AM
тАО02-26-2009 01:50 AM