Java 1.6 won't download library jar files

I am developing 2 applets for use on an embedded web server, similar to what you would see when you connect to the web interface of a network router. I need charting functionality in both applets, so I'm using an open source Java charting library called JFreeChart. I have very limited disk space, so I want to keep the JFreeChart jar seperate from my applet jar, rather than zipping JFreeChart with each applet. So I've placed the files on the ebedded web server like this:
applet_1.html
applet_1.jar
applet_2.html
applet_2.jar
lib/JFreeChart.jar
When I open applet_1.html with Java 1.5_11 installed, the JFreeChart library jar downloads with no issues, but for some reason when I install Java 1.6_1 it just hangs. The java console shows the following:
network: Cache entry not found [url: http://10.0.1.200/lib/jfreechart-1.0.5.jar, version: null]
network: Connecting http://10.0.1.200/lib/jfreechart-1.0.5.jar with proxy=DIRECT
network: Cache entry not found [url: http://10.0.1.200/lib/jfreechart-1.0.5.jar, version: null]
network: Connecting http://10.0.1.200/jfreechart-1.0.5.jar with proxy=DIRECT
1.5_11 actually shows the same thing, except the jar downloads just fine.
In researching this problem I've found that there is apparently an "entirely new downloading engine" in Java 1.6, which is supposed to help with Web Start applications. That leads me to beleive that this is a bug with the new engine.
Should I submit a bug report? I have a packet sniffer program that I could use to capture the packets between the host PC and the web server, should I try to get this info to help diagnose the problem?

I am seeing similar entries with another applet.
I see three attempts on my Windows XP machine with JRE 1.6.0_10-rc2
one for /lib/QTJava.zip (which isn't there, nor should it need to be)
one for /lib/plugin.jar
and one for /lib/lib
Why on earth the applet or JRE is looking for stuff in those folders in beyond me, but it is adding 4 seconds to the applet load time while it goes off on a shopping spree trying to find things.
The same applet, when loaded on Windows Vista with JRE 1.6.0_07, the console doesn't show those errors at all.

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Hi,
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          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled
          Code)
          The message freshed about every 20 seconds.
          Another question, I used a iplanet web server as a proxy server with a
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          Tom


May i presume that your cluster is configured on a shared file system?.
          I have seen this problem only if you cluster is configured on different machines
          and if the directory structure is not identical.
          let us know..
          Kumar
          Cameron Purdy wrote:
          > First, update to SP4 (or SP5 if it is out now). Second, follow the cluster
          > instructions on setting up deployments for a cluster. The only
          > implementation that I have used is the single shared location that all the
          > servers load from.
          >
          > --
          >
          > Cameron Purdy
          > http://www.tangosol.com
          >
          > "Tom Gan" <[email protected]> wrote in message
          > news:[email protected]...
          > > Hi,
          > > I need some help.
          > >
          > > Product=weblogic5.1.0
          > > Revision=(Release Level)=
          > > Problem Description=
          > > I am doing cluster of weblogic server, I have no problem to set up the
          > > cluster and to run servlet and EJB examples.
          > > However, on my command line for startcluster I got a lot of message as
          > > followed:
          > > Fri Aug 18 11:31:44 EDT 2000:<E> <MulticastSocket> Multicast socket
          > receive
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          > > file:/D:/weblogic/mycluster/server86/tmp_deployments/ejbjar-17327.jar
          > > java.util.zip.ZipException: error in opening zip file
          > > at java.util.zip.ZipFile.open(Native Method)
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          > > at java.util.zip.ZipFile.<init>(ZipFile.java, Compiled Code)
          > > at weblogic.boot.ServerClassLoader.deploy(ServerClassLoader.java,
          > > Compiled Code)
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          > > .java, Compiled Code)
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          > >
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          > > , Compiled Code)
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          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readPublicSerializable(WLOb
          > > jectInputStreamBase.java, Compiled Co
          > > de)
          > > at
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          > > treamBase.java, Compiled Code)
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          > >
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          > > tStreamBase.java, Compiled Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readObject(WLObjectInputStr
          > > eamBase.java, Compiled Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readObjectWL(WLObjectInputS
          > > treamBase.java, Compiled Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readArrayList(WLObjectInput
          > > StreamBase.java, Compiled Code)
          > > at weblogic.cluster.StateDump.readObject(StateDump.java, Compiled
          > > Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readPublicSerializable(WLOb
          > > jectInputStreamBase.java, Compiled Co
          > > de)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readLeftover(WLObjectInputS
          > > treamBase.java, Compiled Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readObjectBody(WLObjectInpu
          > > tStreamBase.java, Compiled Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readObject(WLObjectInputStr
          > > eamBase.java, Compiled Code)
          > > at
          > >
          > weblogic.common.internal.WLObjectInputStreamBase.readObjectWL(WLObjectInputS
          > > treamBase.java, Compiled Code)
          > > at weblogic.cluster.TMSocket.execute(TMSocket.java, Compiled Code)
          > > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled
          > > Code)
          > >
          > > The message freshed about every 20 seconds.
          > >
          > > Another question, I used a iplanet web server as a proxy server with a
          > > cluster of two weblogic servers pluged in, although I set
          > > weblogic.properties to round-robin, however, when I run a fibonacci
          > servlet,
          > > it does not do the round-robin. It always go to one machine for a lot of
          > > times. Any idea?
          > > Thank you for your help.
          > > Tom
          > >
          > >
          > >

Multicast socket receive error: java.lang.RuntimeException: I/O error opening JAR file

I received Multicast socket receive error when I tried to restart the weblogic cluster in our pre-prod box.
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Yuping,
          What release of WLS w/ service pack are you using? Make sure, if you are using a non-shared file system, to have the same absolute paths to your application on your file systems.
          yuping xu wrote:
          > I received Multicast socket receive error when I tried to restart the weblogic cluster in our pre-prod box.
          > The error message I received lkie this:
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Java.lang.RuntimeException : I/O error opening JAR file

          Hi,
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          Jitendra Kumar.


Jitendra,
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          - Prasad
          Jitendra Kumar wrote:
          > Hi,
          >
          > I'm deploying as per server property, because all servers have got their own myserver
          > directory and jars under that.
          > primary key class is not a problem at all, because that file is anyway under serverclasses directory.
          >
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          > and another on 'D:\' drive or a unix machine in cluster).
          >
          > Regards,
          > Jitendra Kumar.
          >
          > Prasad Peddada <[email protected]> wrote:
          > >Are you sure that the the primary key class is there in the jar file.
          > >
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          > >
          > >
          > >- Prasad
          > >
          > >Jitendra Kumar wrote:
          > >
          > >> Hi,
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          > >> untimeException: I/O error opening JAR file from file:/mazaa/weblogic/weblogic/myserver/voter.jar
          > >> <ServerClassLoader><W>: com.cot.eis.vl.eb_voter.VoterPK in not in archive java.util.zip.ZipFile@b902
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          > >> java.util.zip.ZipException: error in opening zip file
          > >> at java.util.zip.ZipFile.open(Native Method)
          > >> at java.util.zip.ZipFile.<init>(ZipFile.java, Compiled Code)
          > >> at java.util.zip.ZipFile.<init>(ZipFile.java, Compiled Code)
          > >> at weblogic.boot.ServerClassLoader.deploy(ServerClassLoader.java, Compiled Code)
          > >> at weblogic.cluster.AnnotatedServiceOffer.expandClassPath(AnnotatedServiceOffer.java, Compil
          > >> ed Code)
          > >> at weblogic.cluster.AnnotatedServiceOffer.readObject(AnnotatedServiceOffer.java, Compiled Co
          > >> de)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readPublicSerializable(WLObjectInputStre
          > >> amBase.java, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readLeftover(WLObjectInputStreamBase.jav
          > >> a, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectBody(WLObjectInputStreamBase.j
          > >> ava, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObject(WLObjectInputStreamBase.java,
          > >> Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectWL(WLObjectInputStreamBase.jav
          > >> a, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readArrayList(WLObjectInputStreamBase.ja
          > >> va, Compiled Code)
          > >> at weblogic.cluster.StateDump.readObject(StateDump.java, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readPublicSerializable(WLObjectInputStre
          > >> amBase.java, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readLeftover(WLObjectInputStreamBase.jav
          > >> a, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectBody(WLObjectInputStreamBase.j
          > >> ava, Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObject(WLObjectInputStreamBase.java,
          > >> Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectWL(WLObjectInputStreamBase.jav
          > >> a, Compiled Code)
          > >> at weblogic.cluster.TMSocket.execute(TMSocket.java, Compiled Code)
          > >> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled Code)
          > >> Sat Nov 04 15:54:24 GMT+05:30 2000:<E> <MulticastSocket> Multicast socket receive error: java.lang.R
          > >> untimeException: I/O error opening JAR file from file:/mazaa/weblogic/weblogic/myserver/voter.jar
          > >>
          > >> error message on Solaris console is :
          > >> ******************************************
          > >> java.util.zip.ZipException: error in opening zip file
          > >> at java.util.zip.ZipFile.open(Native Method)
          > >> at java.util.zip.ZipFile.open(Compiled Code)
          > >> at java.util.zip.ZipFile.<init>(Compiled Code)
          > >> at java.util.zip.ZipFile.<init>(Compiled Code)
          > >> at weblogic.boot.ServerClassLoader.deploy(Compiled Code)
          > >> at weblogic.cluster.AnnotatedServiceOffer.expandClassPath(Compiled Code)
          > >> at weblogic.cluster.AnnotatedServiceOffer.readObject(Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readPublicSerializab
          > >> le(Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readLeftover(Compile
          > >> d Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectBody(Compi
          > >> led Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObject(Compiled
          > >> Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectWL(Compile
          > >> d Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readArrayList(Compil
          > >> ed Code)
          > >> at weblogic.cluster.StateDump.readObject(Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readPublicSerializab
          > >> le(Compiled Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readLeftover(Compile
          > >> d Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectBody(Compi
          > >> led Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObject(Compiled
          > >> Code)
          > >> at weblogic.common.internal.WLObjectInputStreamBase.readObjectWL(Compile
          > >> d Code)
          > >> at weblogic.cluster.TMSocket.execute(Compiled Code)
          > >> at weblogic.kernel.ExecuteThread.run(Compiled Code)
          > >> Sat Nov 04 15:55:09 GMT+00:00 2000:<E> <MulticastSocket> Multicast socket receiv
          > >> e error: java.lang.RuntimeException: I/O error opening JAR file from file:/C:/we
          > >> blogic/myserver/eb_arn.jar
          > >>
          > >> Regards,
          > >> Jitendra Kumar
          > >>
          > >> Prasad Peddada <[email protected]> wrote:
          > >> >Do you trouble deploying the app also.
          > >> >
          > >> >- Prasad
          > >> >
          > >> >Jitendra Kumar wrote:
          > >> >
          > >> >> Hi,
          > >> >>
          > >> >> Cluster configuration : 2 NT boxes WLS5.1(SP6). On one m/c weblogic
          > >> >> is installed on drive C:\ and on another m/c weblogic is installed on drive D:\.
          > >> >> i.e. all jars are at two place m/c 1 : c:\weblogic\myserver\*.jar
          > >> >> m/c 2 : d:\weblogic \myserver\*.jar
          > >> >> When servers startup successfully, error is coming :
          > >> >>
          > >> >> on the console of m/c 1 :
          > >> >> java.lang.RuntimeException : I/O error opening JAR file from
          > >> >> file:/d:/weblogic/myserver/eb_arn.jar
          > >> >>
          > >> >> on the console of m/c 2 :
          > >> >> java.lang.RuntimeException : I/O error opening JAR file from
          > >> >> file:/c:/weblogic/myserver/eb_arn.jar
          > >> >>
          > >> >> When both the weblgoic servers are installed on two machines and
          > >> >> on same drive(c:\), this error is not coming.
          > >> >> i.e. all jars are at two place m/c 1 : c:\weblogic\myserver\*.jar
          > >> >> m/c 2 : c:\weblogic \myserver\*.jar
          > >> >>
          > >> >> Regards,
          > >> >> Jitendra Kumar.
          > >> >
          > >
          > >--
          > >Cheers
          > >
          > >- Prasad
          > >
          > >

How can i download these jar files to load SQL server derive

Hi
pls tell me how can i download these jar files and from what site i can do that to enable to load SQL server driver
msbase.jar
msutil.jar
mssqlserver.jar

if u use sqlserver 2000 u can download for free from microsoft.com
and other sites are freetds.com i guess

How to create a java card library (jar file to be used in other programs)

Hi all,
I am working on JCOP and writing quite a bit of applets for the java card . Now i have lots of code that could be reusable for example sending SMS, encryption routine, etc.. So this part of the code i want to put into a utility class and create a package out of it. This utility package i must be able to import into my programs what i write.
I tried the normal way of creating the jar by renaming the CAP file of the utility class, also tried including the /javacard/* files also into the jar file as indicated by sfarmer(active forum member here). But none seems to work. I tried contacting NXP folks and they indicated that it may be possible only by way of Sharable Objects.
But some how i am not convinced why i should use Sharable object for this. So if any one can throw some light into this regard it will be immensely helpful to me and my project.
Regards
Prakash

Hi,
Well the variable defined are as below
public static byte[] msgdata = new byte[255];
private static final byte[] HEADER_TEMPLATE = {
          (byte) 0x81, (byte) 0x03, (byte) 0x01, (byte) 0x21, (byte) 0x00, // Command details tag
               (byte) 0x82, (byte) 0x02, (byte) 0x81, (byte) 0x02, // Device Identities tag
               (byte) 0x8D, // Text String tag
               (byte) 0x00, // length
               (byte) 0x04, // Text String tag
the msgdata is declared public so that i can access this as a Class member in my other program doing Utilities.msgdata. But the problem is now that if i dont declare it as final then the compiler gives me the below error
"library has initialized array for non-final, non-static field Utilities, msgdata, [B, attr jc-field: tok 0, public static"
If i make it final then i cannot change it... So now i am stuck..
Any help will be highly appreciated...
Regards
Prakash

Java Malfunction in Mac OSX 10.5 - .jar files won't open

All of a sudden none of my .jar files will open (most importantly the dimsum.jar which I use almost everyday). I have run a clean up of my cache and tried everything I can think of to bring back the .jar operations and nothing works as it did before. Upon attempting to open the file my Console messages consist of a huge list of font names something like (0x0-0x233233.com.apple.JarLauncher1561 Type: TONES Name: ZoobeSSK-BoldItalic) and I get a loading window that freezes never leads to the main program.
I had this problem before and I simply rearranged my Java preferences so the 32-bit J2SE 5.0 was at the top of the list and it solved the issue but this time it didn't work. Right now my Java Applications list order is like this
J2SE 5.0 32-bit
Java SE 6 64-bit
J2SE 1.4.2 32-bit
J2SE 5.0 64-bit
Being that I am not an official "developer" and that I only basically know my way around OSX, I thought maybe I could skirt the problem by changing my .jar file into an .app and skip the Java console all together. So I DL'd jarbundler which it turns out is also a .jar file and it won't open either. I simply get a message saying "The Java JAR file "jarbundler 2.1.0.jar" could not be launched."
Here is the Console message when I attempt to open Jarbundler.jar if this helps:
10-1-28 上午07:34:44 0x0-0x503503.com.apple.JarLauncher3309 SystemFlippers: didn't consume all data for long ID 0 (pBase = 0x100142770, p = 0x100142774, pEnd = 0x100142778)
10-1-28 上午07:34:44 0x0-0x503503.com.apple.JarLauncher3309 SystemFlippers: didn't consume all data for long ID 0 (pBase = 0x10012d530, p = 0x10012d534, pEnd = 0x10012d538)
10-1-28 上午07:34:44 0x0-0x503503.com.apple.JarLauncher3309 Failed to load Main-Class manifest attribute from
10-1-28 上午07:34:44 0x0-0x503503.com.apple.JarLauncher3309 /Users/XIV/Desktop/jarbundler-2.1.0/jarbundler-2.1.0.jar
Can anyone PLEASE suggest a solution? Or a reason as to why this might have happened when it was working fine a month ago and how to prevent this from happening again?
Thanks in Advance

Recently nothing has really changed... I tried reinstalling my stock fonts and that didn't help. The programs that aren't working are Dimsum (http://www.mandarintools.com/dimsum.html) and Jar Bundler that comes with the Apple's free Xcode Developer Tools. I thought if I could get Jar Bundler to work I could turn Dimsum into an app and dodge the problem altogether, but that didn't work either... My Java is updated (according to my computers Software Update window) and everything else seems to be working fine... I hope it doesn't turn into a system reinstall...

Java applet won't load from Jar file

Hi all,
I have a problem which I didn't used to have. I have written an applet which used certain classes stored in directories. It used to work just fine. I recently updated the main class from which the applet starts and since then I get error messages:
Java Plug-in 1.6.0_26
Using JRE version 1.6.0_26-b03-384-10M3425 Java HotSpot(TM) 64-Bit Server VM
User home directory = /Users/benoize
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
load: class WiaRekenToolHC.class not found.
java.lang.ClassNotFoundException: WiaRekenToolHC.class
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:252)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Plugin2ClassLoader.java:250)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Plugin2ClassLoader.java:180)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Plugin2ClassLoader.java:161)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plugin2ClassLoader.java:687)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Plugin2Manager.java:3046)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1498)
     at java.lang.Thread.run(Thread.java:680)
Exception: java.lang.ClassNotFoundException: WiaRekenToolHC.class
As you can see it says that it can't find the class WiaRekenToolHC, but it's there in the jar files.
Here is the link where you can see it:
www.creativemathsolutions.nl/demo/HC/demo.html
The jar files are in the directory HC and Generic.
If you need more info then let me know!
Regards, Benoit

<applet
codebase="http://www.creativemathsolutions.nl/demo/HC"
code="WiaRekenToolHC.class"
ARCHIVE="HC/wia_hc_archive_v0_3.jar, Generic/wia_archive_v0_3.jar"
width=900 height=600>The code-base combined with archive href for the first Jar mean the JRE will look for it at:
http://www.creativemathsolutions.nl/demo/HC/HC/wia_hc_archive_v0_3.jar
It is not there. The other Jar is also missing from the stated location.

Java 1.6 won't download library jar files

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