I would try the IBM JDK before Blackdown (before Sun, too...), but that's
just my personal choice.
The Blackdown port can be found at www.blackdown.org.
--jeff
----- Original Message -----
From: "Adam Fowler" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, July 14, 2001 3:47 AM
Subject: Re: java-linux-tomcat configuration problem
> Hi,
>
> Many ppl using 1.3.1 specifically have noted huge memory usage increases
> (leaks) which either take a long time to clean themselves up or are
permanent.
>
> The issue has been reported by ppl using JNI, tomcat, app contexts etc etc
so
> is a JDK bug.
>
> Sun still haven't fixed it (I just checked) Maybe 1.4 fixes it, but that
is
> still in Beta so I wouldn't use it on a deployed platform just yet.
>
> Apparently using 1.3 fixes it, but its a real pain to find. Sun don't
> actually advertise its whereabouts on their site.
>
> The blackdown JDK doesn't seem to have this problem so you could try that
(I
> don't know where it can be found)
>
> Hope that helps,
>
> Adam.
>
> ----
> Adam Fowler
> Help Desk Live Project
> Information Services
> University of Wales, Aberystwyth
> Web guy+author on the TomcatBook Project
> http://tomcatbook.sourceforge.net
> e-mail: [EMAIL PROTECTED]
> ----
>
> On Friday 13 July 2001 16:33, you wrote:
> > What is the infamous bug for jdk?
> >
> > Thanks!
> > Dan
> >
> >
> > From: Adam Fowler <[EMAIL PROTECTED]>
> >
> > >Reply-To: [EMAIL PROTECTED]
> > >To: [EMAIL PROTECTED]
> > >Subject: Re: java-linux-tomcat configuration problem
> > >Date: Thu, 12 Jul 2001 22:09:53 +0000
> > >
> > >Hi,
> > >
> > >You have two versions of httpd running!?! Make sure that if you have
two
> > >version using tomcat then you have two tomcat's running. That might
answer
> > >it.
> > >
> > >Otherwise it might be the infamous bug to do with the 1.3.1 JDK
(although,
> > >again, I had no problems on Mandrake! Must be the pretty penguins) You
> > > ould try the 1.3 JDK (if u can find it!) or *cringe* the 1.4 JDK -
> > > although not supported.
> > >
> > >Adam.
> > >
> > >On Thursday 12 July 2001 13:01, you wrote:
> > > > Hello again:
> > > >
> > > > Quick thanks for your responses .. now more background, as
requested.
> > > >
> > > > a) The contexts that I am running are the ones that came with
apache,
> > > > outlined in server.xml. I was able to start up those instances with
> > > > jre (but not the example jsps, another problem).
> > > >
> > > > b) I am running Red Hat 6.2.
> > > >
> > > > c) I am using Sun's jdk 1.3.1
> > > >
> > > > d) Adam, here is the top and ps -x output (the java threads are
> > > > towards the end in ps -x, and are at the top of "top"):
> > > > PID TTY STAT TIME COMMAND
> > > > 1 ? S 0:02 init
> > > > 2 ? SW 0:00 [kflushd]
> > > > 3 ? SW 0:01 [kupdate]
> > > > 4 ? SW 0:00 [kpiod]
> > > > 5 ? SW 0:00 [kswapd]
> > > > 6 ? SW< 0:00 [mdrecoveryd]
> > > > 7 ? SW< 0:00 [raid1d]
> > > > 8 ? SW< 0:00 [raid1d]
> > > > 9 ? SW< 0:00 [raid1d]
> > > > 10 ? SW< 0:00 [raid1d]
> > > > 171 ? S 0:00 syslogd -m 0
> > > > 180 ? S 0:00 klogd
> > > > 209 ? S 0:00 /usr/sausalito/sbin/cced
> > > > 586 ? S 0:00 crond
> > > > 598 ? S 0:00 inetd
> > > > 628 ? S 0:00 named
> > > > 644 ? S 0:00 /usr/sbin/dhcpd -q eth0
> > > > 649 ? S 0:01 /usr/sbin/ahttpd -f
> > >
> > >/etc/admserv/conf/httpd.conf
> > >
> > > > 673 ? S 0:01 /usr/sbin/httpd -f
> > > > /etc/httpd/conf/httpd.conf 705 ? S 0:00 sendmail:
accepting
> > > > connections
> > > > 717 ? S 0:00 sh /usr/bin/safe_mysqld
> > >
> > >--datadir=/var/lib/mysql
> > >
> > > > --pi
> > > > 784 ? S 0:00 /usr/sbin/atalkd
> > > > 807 ? S 0:00 smbd -D
> > > > 816 ? S 0:00 nmbd -D
> > > > 825 ? S 0:00 /sbin/lcdsleep
> > > > 867 ? S 0:00 /sbin/consoled /sbin/getty ttyS0 115200
> > > > 904 ? S 0:00 /usr/sbin/afpd -U
uams_clrtxt.so,uams_dhx.so
> > >
> > >-g
> > >
> > > > guest
> > > > 1353 ? S 0:00 in.telnetd: 10.6.18.30
> > > > 1354 pts/0 S 0:00 login -- admin
> > > > 1758 ? S 0:00 in.telnetd: 10.6.18.30
> > > > 1759 pts/1 S 0:00 login -- admin
> > > > 1793 pts/1 S 0:00 su
> > > > 1794 pts/1 S 0:00 bash
> > > > 1952 ? S 0:00 smbd -D
> > > > 2283 pts/0 S 0:00 su
> > > > 2284 pts/0 S 0:00 bash
> > > > 2403 pts/0 R 2:07
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2448 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2449 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2450 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2451 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2452 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2453 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2454 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2455 pts/0 S 0:00
> > >
> > >/usr/java/jdk1.3.1/bin/i386/native_threads/java
> > >
> > > > -Dtom
> > > > 2552 pts/1 R 0:00 ps -x
> > > > 2553 pts/1 R 0:00 bash
> > > >
> > > > PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME
> > >
> > >COMMAND
> > >
> > > > 2403 root 11 0 8868 8868 4728 R 0 94.8 6.9 0:17
java
> > > > 2456 root 1 0 872 872 680 R 0 0.7 0.6 0:00
top
> > > > 1 root 0 0 480 480 416 S 0 0.0 0.3 0:02
init
> > > > 2 root 0 0 0 0 0 SW 0 0.0 0.0 0:00
> > >
> > >kflushd
> > >
> > > > 3 root 0 0 0 0 0 SW 0 0.0 0.0 0:01
> > >
> > >kupdate
> > >
> > > > 4 root 0 0 0 0 0 SW 0 0.0 0.0 0:00
> > > > kpiod 5 root 0 0 0 0 0 SW 0 0.0 0.0 0:00
> > >
> > >kswapd
> > >
> > > > 6 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00
> > > > mdrecoveryd
> > > > 7 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00
> > >
> > >raid1d
> > >
> > > > 8 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00
> > >
> > >raid1d
> > >
> > > > 9 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00
> > >
> > >raid1d
> > >
> > > > 10 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00
> > >
> > >raid1d
> > >
> > > > 171 root 0 0 488 484 396 S 0 0.0 0.3 0:00
> > >
> > >syslogd
> > >
> > > > 180 root 0 0 708 704 328 S 0 0.0 0.5 0:00
> > > > klogd 209 root 0 0 1040 1040 524 S 0 0.0 0.8
0:00
> > > > cced 586 root 0 0 508 504 428 S 0 0.0 0.3
0:00
> > > > crond 598 root 0 0 444 440 380 S 0 0.0 0.3
0:00
> > > > inetd
> > > >
> > > > Thanks again,
> > > > Dan
> > > >
> > > > From: Adam Fowler <[EMAIL PROTECTED]>
> > > >
> > > > >Reply-To: [EMAIL PROTECTED]
> > > > >To: [EMAIL PROTECTED]
> > > > >Subject: Re: java-linux-tomcat configuration problem
> > > > >Date: Wed, 11 Jul 2001 17:34:54 +0000
> > > > >
> > > > >Hi,
> > > > >
> > > > >Can you include a copy of ps x command output and top please? Also,
> > >
> > >who's
> > >
> > > > >jdk
> > > > >ru using? Sun's or blackdown?
> > > > >
> > > > >This sounds very strange as I upgraded on mandrake fine. You might
> > >
> > >wanna
> > >
> > > > >recheck the path variable and make sure that the new java is at the
> > > > >beginning
> > > > >of the path var, else if u also point across an older version it
will
> > >
> > >use
> > >
> > > > >that.
> > > > >
> > > > >Adam.
> > > > >
> > > > >On Wednesday 11 July 2001 15:03, you wrote:
> > > > > > I installed jdk 1.3.1 on my linux box to support tomcat, and set
> > > > > > the
> > > > >
> > > > >PATH
> > > > >
> > > > > > variable accordingly. However, now the instances of my server
> > > > > > don't
> > > > >
> > > > >start
> > > > >
> > > > > > up and java hangs. (The TOP command shows that java is
consuming
> > >
> > >97%
> > >
> > > > > > of
> > > > >
> > > > >my
> > > > >
> > > > > > CPU!!!). Has anybody seen this behaviour before? If so, what
is
> > >
> > >the
> > >
> > > > > > remedy?
> > > > > >
> > > > > > Thanks!
> > > > > > Dan
> > > > > >
_________________________________________________________________
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http://explorer.msn.com
> > > >
> > > > _________________________________________________________________
> > > > Get your FREE download of MSN Explorer at http://explorer.msn.com
> >
> > _________________________________________________________________
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>
> --
>
