Referencing Java Installation Path

We have an java application which apparently contains hard coded references to the java installation directory. I.E. (C:\program files\Java\jre1.4.2_04)
The problem is that this means we have to have the same version of java across all our servers for the software to work. What we have traditionally done is load the latest version of java on every new server we deploy (then maintain incremental upgrades afterwards). The theory being that we wanted to be on the latest version which is least vulnerable to security issues. Of course the problem with that is that the latest version of java is always different.
So my question is - is there no way to dynamically reference the latest java installation directory. I'm not a java programmer but I'm having a difficult time believing there isn't some environment or system variable that contains this path vs hard coding it?
Also maybe this is better aimed at another group but, if java has been upgraded - why are the previous versions left behind? I just noticed in my program files directory I have 11 different versions of java installed. Whats the point and isn't that a security risk? I.E. Say there was x security issue with java 1.4.2 build 1, so build 2 was released. We upgraded to build 2 but build 1 is left behind.... can you see where this is going?
Thanks
Brad

I just got clarification. Apparently our devs are calling the Java application from an ASP/ASP.net page. Excerpt below:
Dim a_jvmargs(1)
a_jvmargs(0)= "-Djava.class.path=C:\Program Files\Java\j2re1.4.2_04\lib\rt.jar;" &_
"C:\jar1.jar;" &_
"C:\jar2.jar;" &_
"C:\jar3.jar;" &_
"C:\jar4.jar"
set objJVM = Server.CreateObject("comJava.comJavaJvm")
objJVM.setVMArguments(a_jvmargs)
objJVM.setJavaVMLibraryPath("C:\Program Files\Java\j2re1.4.2_04\bin\client\jvm.dll")
objJVM.CreateJavaVM()
Maybe this is more of an ASP/Microsoft question now. None the less do you have any recommendations about how we might avoid directly hard coding the path?
Thanks Again,
Brad

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Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.gui.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.aii.utilxi.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ib.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ib.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ib.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ib.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ib.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ib.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.util.rb.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.util.rb.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.util.rb.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.util.rb.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.util.rb.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.util.rb.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~bl~guidgenerator~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~logging~java~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ibrep.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ibrep.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ibrep.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ibrep.core.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ibrep.core.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/com.sap.xpi.ibrep.core.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/sap.com~tc~exception~impl.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/jperflib.jar
JNLPClassLoader: Finding library jperflib.dll
PerfTimes : loadNativeLayer: loading jperflib failed. no jperflib in java.library.path
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Application-Name: manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Permissions manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
Missing Codebase manifest attribute for: http://host.fqdn.com:50000/rep/repository/frog.jar
<<< frog.jar: version 7.20.19 03/09/11 sap.theme: null >>>

Java.lang.UnsatisfiedLinkError: no swt-win32-3062 in java.library.path

Hi
I have installed JasperAssistant in eclipse 3.2.2. But I am getting the following the error when I am trying to view the reports through the application. This error found only after the installation. Earlier I used to view the reports through the Eclipse.
Exception in thread "Thread-28" java.lang.UnsatisfiedLinkError: no swt-win32-3062 in java.library.path
     at java.lang.ClassLoader.loadLibrary(Unknown Source)
     at java.lang.Runtime.loadLibrary0(Unknown Source)
     at java.lang.System.loadLibrary(Unknown Source)
     at org.eclipse.swt.internal.Library.loadLibrary(Library.java:100)
     at org.eclipse.swt.internal.win32.OS.<clinit>(OS.java:18)
     at org.eclipse.swt.graphics.Device.init(Device.java:564)
     at org.eclipse.swt.widgets.Display.init(Display.java:1780)
     at org.eclipse.swt.graphics.Device.<init>(Device.java:100)
     at org.eclipse.swt.widgets.Display.<init>(Display.java:355)
     at org.eclipse.swt.widgets.Display.<init>(Display.java:351)
     at com.austco.client.gui.reports.ReportThread.run(ReportThread.java:40)
     at java.lang.Thread.run(Unknown Source)
Could you please help me asap.
I tried some of the alternatives found in the web.
1. Changed the VM arguments: -Djava.library.path=${system:ECLIPSE_HOME}/plugins/org.eclipse.swt.win32_3.0.1/os/win32/x86
2. Set the environment variable PATH to the location of the dll.
But this doesn't work.
Your help is very much appreciated. Thanks in advance.

Maybe you can report this to the makers of JasperAssistant or Eclipse. I think they are in a better position to help you since they made that plugin.

Does JVM variable java.library.path make sense from native code?

Hello all,
Well, everybody loads native library from the Java side by calling System.loadLibrary("myNative").
But what if, for example, myNative.dll loads another two libraries itself?
Suppose, when I call java method "initMyNative", it in turn call native function Java_initMyNative(...). That Java_initMyNative(...) wants to load two native libraries and make: HINSTANCE lib01 = LoadLibrary("auxlib01.dll"); // LoadLibrary from capital, it's Win function!
HINSTANCE lib02 = LoadLibrary("auxlib02.dll"); // LoadLibrary from capital, it's Win function!As specified, native LoadLibrary call will look for auxlib01.dll and auxlib02.dll in catalogs which are enumerated in system variable PATH, current catalog.
Does java.library.path make any sense on order of such search?
If not, is there any way of flexible configuring of the catalog in which to look auxlib01.dll and auxlib02.dll for?
I see some ways:
* changing system variable PATH - not flexible
* passing content of java.library.path into native code, parsing it and looking for auxlib01.dll and auxlib02.dll in each catalog listed in java.library.path - too heavy
I hope there is more smart way to do that.
Thanks, Alex

Thank you Shane for your reply. I actually didnt have to create 2 jar files, one for Java files and one for the dll file. I got an idea from your post and referenced the same jar file twice by saying:
<j2se version="1.2+" />
<jar href="HelloWorld.jar"/>
<nativelib href="HelloWorld.jar"></nativelib>
and by saying that the jnlp file started working from the browser.
Again, thanks a lot for your replies.
Thanks
Nick

UnsatisfiedLinkError: no weblogicunix1 in java.library.path

Hi, Please help.
I am using weblogic 8.1 on linux. While starting my application I am getting the following eerror
The WebLogic Server did not start up properly.
[java] java.lang.UnsatisfiedLinkError: no weblogicunix1 in java.library.path
[java] at java.lang.ClassLoader.loadLibrary(Ljava.lang.Class;Ljava.lang.String;Z)V(Unknown Source)
[java] at java.lang.Runtime.loadLibrary0(Ljava.lang.Class;Ljava.lang.StringV(Unknown Source)
[java] at java.lang.System.loadLibrary(Ljava.lang.StringV(Unknown Source)
[java] at weblogic.platform.Unix.<init>()V(Unix.java:14)
[java] at java.lang.Object.emptyConstructor()V(Unknown Source)
[java] at java.lang.Class.newInstanceCached(I)Ljava.lang.Object;(Unknown Source)
[java] at java.lang.Class.newInstance(I)Ljava.lang.Object;(Unknown Source)
[java] at weblogic.platform.OperatingSystem.getOS()Lweblogic.platform.OperatingSystem;(OperatingSystem.java:116)

I have tried using Sun JDK as wells as jrockit (jdk142_04).
Weblogic 8.1 sp3
I did this too.
LD_LIBRARY_PATH=/opt/bea/weblogic81/server/lib/hpux11/
One thing, I could not find any file called as weblogicunix1 anywhere under the weblogic installation directory. There were several files called as libweblogicunix1
Please help !!!

Configure JDBC connection ERROR: no ocijdbc9 in java.library.path

ERROR: no ocijdbc9 in java.library.path
step 6 is where I need help!? thanx.
When configuring a database connection, I chose
1. Oracle JDBC (connection type)
2. Authentication (username/password of my D2K repository)
3. Driver: oci8
4. Hostname: pmurphy1 (my local machine where my db is)
5. Port: 1521 default (odbc works on this)
* 6. Enter custom JDBC url (? please help ?) left blank!!
I really wanna get started with this cool toy!!!
Cheers,
Paully

I am assuming you are using JDeveloper 3.2x
Please see the online help for additional details.
Search help for "JDBC Connection Properties" - With the
quotations and you will find a page names "JDBC Connection
Properties"
This page contains the following info and additional links.
-John
------------- COPIED FROM HELP ---------------
Oracle JDBC-OCI8 Driver
Use this type 2 driver when creating a Java application that
runs against an Oracle8i server. This is a thick driver
optimized for the Oracle8i database: it cannot be used with
applets. This driver handles any database protocol (TCP, IPX,
BEQ, and so on). It is required for applications which are run
from the machine they are stored on. It can also be used against
an Oracle7 database.
This driver requires client software installation. The project
must also include the correct version of the driver in a library
and include no other Oracle JDBC library. This driver is
included in the default Oracle JDBC library for all projects.
The library is named Oracle 8.1.7 JDBC and it includes both the
Thin JDBC and JDBC-OCI8 driver library components. For all OCI
and type 2 JDBC drivers, see Connection Requirements for OCI and
Type 2 JDBC Drivers.
------------- COPIED FROM HELP ---------------

BI Java Installation: Clarification Needed!

I'm wondering if someone could help clear this up for me:
We have installed NW2004s SPS08 on Solaris with only the usage type EP (AS Java/EP). Awhile back I was tasked with connecting our BW ABAP system to our Portal ("Integration into the Portal" - transaction SPRO etc).
After starting this task I noticed I was missing things that the instructions were telling me to configure; i.e. Items that were related to BI that weren't in the Portal such as certain roles, the BI Repository Manager etc.
Reading around, it seemed like I need to install the BI usage type.
I have now been tasked with another installation of the Portal (NW2004s SR1 this time), but am trying to head off the problems I'm experiencing trying to connect the Portal to our BW ABAP system. This will be a Java only installation. I've read that BI-Java requires EP and AS Java, and that if I install the BI-Java usage type, EP and AS-Java will be installed automatically.
My question is, if I do the BI-Java installation and it automatically installs EP/AS-Java, will the Portal still act the same way as it does in my EP/AS-Java only installation I already have? We have many plans to use the Portal as an entry point for all of our backend systems, so if the Portal's capabilities are not what we see already (in our first installation of just EP/AS-Java) then we will have problems.
Any clarification is greatly appreciated and I will award points accordingly.
THANKS!
Beau.

I think that's what I needed to know.
I was actually wondering about DI as well. Our developers are having problems deploying .EAR files to our original EP-only install. They can deploy .PAR files with no problems, but .EAR files always error out. Maybe having DI will solve this problem as well? I'm a little concerned about the hardware capacity of this box with having BI, EP and DI all installed on it. I had contacted SAP about installing DI a while back and basically they had told me to install it on a seperate server, by itself. We're running a Sun Enterprise 420R, 4G of memory and a 450 mhz processor for this new installation. Do you think this box is capable of handle EP, BI and DI (AS-JAVA)?
Thanks for your help!

Referencing Java Installation Path

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