8u40-b20 Question on the symlink vs x64 and x86.

Hi,
     I have a win 7 x64 bit os.
     I install 8u40 x86 and x64 on my pc.
     If I open up a X64 bit cmd and do a java -version it return the proper info.
C:\Windows\System32>java -version
java version "1.8.0_40-ea"
Java(TM) SE Runtime Environment (build 1.8.0_40-ea-b20)
Java HotSpot(TM) 64-Bit Server VM (build 25.40-b23, mixed mode)
If I open a X86 cmd and do the same command, it display the same, usually the red highlighted part wasn't showed in a x86 cmd prompt on earlier releases of java.
the symlink shortcuts point to the X64 bit version of java, even if both x86 and x64 are installed, doesn't matter the install order, seem the x64 version wins on the symlink shortcuts.
before when you did that with another java version, like 7u55, if would run the java exe for that bitness version as they were found under the system32 or SysWOW64 folder.
for the version of the java 8u40, do we still need to have both bitness version install on a X64 bit os like in the pass?
We use the java -version command under each CMD bitness (x86 and X64) to check the java version installed

sranger wrote:
Well, after some testing, it seems that the while(!ready) {} loop I was doingWas that loop literaly like this:
while (!ready) {
// do nothing
}? If so, then you have two problems:
1.) It's very bad form to do busy waiting (that's what it's called). It wastes CPU time and is generally not a good idea
2.) If "ready" is not declared volatile, then the JVM is perfectly free to optimize away all but the first read accesses to "ready". This way it will never notice if the value changes.
while waiting for a UI element to be created will give the UI element CPU time if running as 32bit but if ran as 64bit, everything stalls.This sounds exactly as if "ready" is not volatile and the 32bit JVM optimized slightly different than the 64bit one.
I added a Thread.sleep(0); in the loop and it started working.A nasty hack. Replace it with a "real" fix, if at all possible.

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I'm a new bie of BIEE. In these days, have a look about BIEE architecture and the BIEE components. In the next project, there are some work about BIEE development based on EBS application. I have some questions about the integration :
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is that the Apache plug-ins keep forwarding the packets to the same Weblogic
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The first is really important, the second just nice-to-have (I can setup
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Yes, shooting 30p with 1/60 shutter speed would require more light but would give you less motion blur. But you'd have the same issue even if you shoot in 60i since the default shutter speed for 60i is 1/60.
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So in my case, whether i shoot in 60i or 30p, the playback signal is converted and output at 1440x1080i 60i.
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So the issue is whether to shoot 1440x1080 in 30p with a shutter speed of 1/60 or 60i with a shutter speed of 1/60. Either way, it gets output via the HDV terminal (IEEE 1394) into premiere as 1440x1080 60i.
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I'm trying to decide whether to install Arch or Chakra on my laptop. Currently, I'm running Arch on my desktop and Windows 7 on my laptop (which I plan to overwrite). My skill level with GNU/Linux is somewhat intermediate – noobs refer to me as an expert, experts refer to me as a noob. If it matters, I'm a KDE user and primarily use my computers for web browsing and python development. Anyway, I just wanted to get an objective opinion on the differences between Arch and Chakra. I have a few points that stand out to me, but I welcome any input.
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I started my journey into GNU/Linux with Debian back in 2009 due to it's stability. I really disliked Debian's ancient software and considered moving my system to Unstable. While doing some googling about Debian Unstable, I stumbled across Arch – it was love at first sight. I've been an Arch user ever since. I love the bleeding edge software, and haven't had any major problems since I originally installed it. However, every time I run a system update I cringe a little. While Arch hasn't broken on me yet, I've read plenty of horror stories and it makes me uneasy. I understand that Chakra is a mix between a point and rolling release model. Is it any more or less stable than Arch? I know there are other distrobutions out there, but I'm in love with the Arch philosophy.
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avonin wrote:
I'm trying to decide whether to install Arch or Chakra on my laptop. ... I'm a KDE user ... I just wanted to get an objective opinion on the differences between Arch and Chakra..
-Stability...
-AUR...
-Repositories...
My take on Chakra is that it's the same as Arch with different developers. They use pacman. They have a different and rather nice build system for their developers. They're doing a good job, but I'd hate to give up the services of Allan McRae who must work full time keeping the Archlinux core and toolchain up to date. Chakra devs probably piggy-back off his work.
As for "semi" rolling: I don't see Chakra as having a stable core. A stable core sounds attractive, it would be like NetBSD which has a very stable core Unix operating system with apps added via pkgsrc. But Chakra's core and toolchain is at the same version levels as Archlinux most of the time and are no more tested and stabilized than ours. Their core packages are updated piecemeal just like ours; there is no stable core that is released as a unit (afaik). Today Chakra has gcc 4.7 / glibc 2.15 just like ours. Their kernel is a little more stable: they're using udev 181 / linux 3.2.8 while Arch is on udev 182 / linux 3.3.7. They are more conservative in upgrading xorg and the video drivers than Arch. For example, today they're on xorg-server 1.10.4 / intel video 2.17 while Arch is up-to-the-bleeding-edge-minute with xorg-server 1.12.1.902 and intel video 2.19. Yeah, I would consider Chakra to be a little more "stable" than Arch mainly because of their relaxed pace in changing the kernel and the xorg stuff.
Most of the patches that I look at for Arch packages (I build my system entirely from source and try to build monthly releases for myself) are needed because we use more recent core packages like glib2/glibc/gcc than the developers of higher level stuff like qt. Chakra is in the same situation. We're on the front of the wave
The Chakra CCR is compatible with the Arch AUR and mainly draws from AUR (an AUR buildscript will usually work fine on a Chakra system -- they just add one or two additional info fields.) With a little effort you could get any package installed on a Chakra system that is available on Arch.
Last edited by sitquietly (2012-05-24 20:43:58)

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hi
i have for now intel 3.4ghz and asus p4c800dlux and 4 sata drives :
2x36giga wd 10000 raptors in raid 0 (connected to the on board promise sata controller)
2x200giga wd 7200 jd sata that (connected to on bard sata ports)
i order a athlon fx-55 and k8n neo2 platinum for a oc (a have 2x512 corsiar pc4000pro and hydro cool 200 ) and its look that its going to be problem
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http://www.madshrimps.be/?action=ge...890&articID=228
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in that case i need to connect the raptors in raid 0 in the sata 3-4 prots (near the agp) but:
the raid on the noe2 is "NV RAID (Software)" it means that there is no a controller like promise and the cpu need to replace the controller work, so its doing a lower performance.

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Hi,
I have cursor which fetches results from a table A.
Now, simultaneously, in other session, I ran an update on the table A and commited it.
1) My question is will the cursor keep fetching the old results or the cursor start fetching the new values when the data is committed?
2) I have a similar question in SQL too. We generally write SQL queries which take considerable amount of time- around half an hour. During this time, I ran an update on the table and committed it. Will the result set contain the old values ?
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Thanks for your help.
Don

donisback wrote:
Thanks John..
Your post drives me to ask another question. We've been getting the error "Snapshot Too Old" quite frequently.
So, we minimized the SQL and used cursor committing every 10000 records. This prevented the above error.
Is there any other possible reason why we get the error "Snapshot too Old"?
Thanks,
DonDon:
Typically, commiting more frequently increases the likelyhood of 1555, not decreases it. The 1555 error comes when the undo (or rollback in old terms) records that need to be read to support read consistency are no longer available. Simplistically, once a change has been committed, the undo records are marked as available for re-use and could be re-used thereby destroying the information that you need.
Even though ithe initial question is really old, read the Ask Tom thread posted by RPuttagunta. Tom explains it far better than I could, and the basic concepts have not changed.
John
John

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