Java vm and jdk 1.4.2

bank page not opening n it's giving error that ur browser don't have java. am using ur browser in Samsung tab 2. with android 4.3

thanks.....

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Basic questions on Java platform and JDK

Hello,
I have a few questions, might be very elementary. Please clarify.
(Tried in "New to Java" Forum....but did not get much response)
What I know is : A "Java Platform" is composed of the Java language, a JVM, and the APIs. There is a spec. for the language, and another spec for JVM. Now, are there spec.s for the API as well ?
Another related question is : where exactly do the various flavours of the Java Platform (J2SE, J2EE, J2ME) differ ? I have seen some explanations where it seems to say that these editions have been created to give more appropriate support to different areas of applications. But, what I know to know is : what exact component of the Java Platform differs from one edition to another - language features, or the JVM, or the APIs ? And what is the kind of the change ?
Another question : what is it, that differs from one JDK release to another, say from J2SE 1.3 to J2SE 1.4.0 ?
I think the Java language spec itself rarely changes (Is this right?). Also the VM spec rarely changes (is this correct ?). So, is it that only the APIs change (new classes added, old ones modified, etc.) ?

Hello,
I have a few questions, might be very elementary.
Please clarify.
(Tried in "New to Java" Forum....but did not get much
response)
What I know is : A "Java Platform" is composed of the
Java language, a JVM, and the APIs. There is a spec.
for the language, and another spec for JVM. Now, are
there spec.s for the API as well ?There are some specs which the API fulfills (see your other thread for examples). But not all classes in the API is covered by a specification.
Another related question is : where exactly do the
various flavours of the Java Platform (J2SE, J2EE,
J2ME) differ? What do you mean? There are different specifications for the different editions / flavours. They can differ both in API and VM.
I have seen some explanations where it
seems to say that these editions have been created to
give more appropriate support to different areas of
applications. But, what I know to know is : what
exact component of the Java Platform differs from one
edition to another - language features, or the JVM,
or the APIs ? All of them can differ. (Does it matter?)
Another question : what is it, that differs from one
JDK release to another, say from J2SE 1.3 to J2SE
1.4.0 ? Read the relese notes. New classes, some new methods, and also minor changes to the language. New JSRs had also been implemented.
I think the Java language spec itself rarely changes
(Is this right?). Depends on what you mean by rarely
It changed from 1.0 to 1.1, from 1.3 to 1.4 and from 1.4 to 1.5.
Also the VM spec rarely changes (is
this correct ?).It has changed a few times.
So, is it that only the APIs change
(new classes added, old ones modified, etc.) ?No
Kaj

JDK 1.6 on Solaris. Multiple java processes and thread freezes

Hi, we've come across a really weird behavior on the Solaris JVM, reported by a customer of ours.
Our server application consists of multiple threads. Normally we see them all running within a single Java process, and all is fine.
At some point in time, and only on Solaris 10, it seems that the main Java process starts a second Java process. This is not our code trying to execute some other application/command. It's the JVM itself forking a new copy of itself. I assumed this was because of some JVM behaviour on Solaris that uses multiple processes if the number of threads is > 128. However at the time of spawn there are less than 90 threads running.
In any case, once this second process starts, some of the threads of the application (incidentally, they're the first threads created by the application at startup, in the first threadgroup) stop working. Our application dumps a list of all threads in the system every ten minutes, and even when they're not working, the threads are still there. Our logs also show that when the second process starts, these threads were not in the running state. They had just completed their operations and were sleeping in their thread pool, in a wait() call. Once the second process starts, jobs for these threads just queue up, and the wait() does not return, even after another thread has done a notify() to inform them of the new jobs.
Even more interesting, when the customer manually kills -9 the second process, without doing anything in our application, all threads that were 'frozen' start working again, immediately. This (and the fact that this never happens on other OSes) makes us think that this is some sort of problem (or misconfiguration) specific to the Solaris JVM, and not our application.
The customer initially reported this with JDK 1.5.0_12 , we told them to upgrade to the latest JDK 1.6 update 6, but the problem remains. There are no special JVM switches (apart from -Xms32m -Xmx256m) used. We're really at a dead end here in diagnosing this problem, as it clearly seems to be outside our app. Any suggestion?

Actually, we've discovered that that's not really what was going on. I still believe there's a bug in the JVM, but the fork was happening because our Java code tries to exec a command line tool once a minute. After hours of this, we get a rogue child process with this stack (which is where we are forking this command line tool once a minute):
JVM version is 1.5.0_08-b03
Thread t@38: (state = IN_NATIVE)
- java.lang.UNIXProcess.forkAndExec(byte[], byte[], int, byte[], int, byte[], boolean, java.io.FileDescriptor, java.io.FileDescriptor, java.io.FileDescriptor) @bci=168980456 (Interpreted frame)
- java.lang.UNIXProcess.forkAndExec(byte[], byte[], int, byte[], int, byte[], boolean, java.io.FileDescriptor, java.io.FileDescriptor, java.io.FileDescriptor) @bci=0 (Interpreted frame)
- java.lang.UNIXProcess.<init>(byte[], byte[], int, byte[], int, byte[], boolean) @bci=62, line=53 (Interpreted frame)
- java.lang.ProcessImpl.start(java.lang.String[], java.util.Map, java.lang.String, boolean) @bci=182, line=65 (Interpreted frame)
- java.lang.ProcessBuilder.start() @bci=112, line=451 (Interpreted frame)
- java.lang.Runtime.exec(java.lang.String[], java.lang.String[], java.io.File) @bci=16, line=591 (Interpreted frame)
- java.lang.Runtime.exec(java.lang.String, java.lang.String[], java.io.File) @bci=69, line=429 (Interpreted frame)
- java.lang.Runtime.exec(java.lang.String) @bci=4, line=326 (Interpreted frame)
- java.lang.Thread.run() @bci=11, line=595 (Interpreted frame)There are also several dozen other threads all with the same stack:
Thread t@32: (state = BLOCKED)
Error occurred during stack walking:
sun.jvm.hotspot.debugger.DebuggerException: can't map thread id to thread handle!
     at sun.jvm.hotspot.debugger.proc.ProcDebuggerLocal.getThreadIntegerRegisterSet0(Native Method)
     at sun.jvm.hotspot.debugger.proc.ProcDebuggerLocal.getThreadIntegerRegisterSet(ProcDebuggerLocal.java:364)
     at sun.jvm.hotspot.debugger.proc.sparc.ProcSPARCThread.getContext(ProcSPARCThread.java:35)
     at sun.jvm.hotspot.runtime.solaris_sparc.SolarisSPARCJavaThreadPDAccess.getCurrentFrameGuess(SolarisSPARCJavaThreadPDAccess.java:108)
     at sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:252)
     at sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:211)
     at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:50)
     at sun.jvm.hotspot.tools.JStack.run(JStack.java:41)
     at sun.jvm.hotspot.tools.Tool.start(Tool.java:204)
     at sun.jvm.hotspot.tools.JStack.main(JStack.java:58)I'm pretty sure this is because the fork part of the UnixProcess.forkAndExec is using the Solaris fork1 system call, and thus all the Java context thinks all those threads exist, whereas the actual threads don't exist in that process.
It seems to me that something is broken in UnixProcess.forkAndExec in native code; it did the fork, but not the exec, and this exec thread just sits there forever. And of course, it's still holding all the file descriptors of the original process, which means that if we decide to restart our process, we can't reopen our sockets for listening or whatever else we want to do.
There is another possibility, which I can't completely rule out: this child process just happened to be the one that was fork'd when the parent process called Runtime.halt(), which is how the Java process exits. We decided to exit halfway through a Runtime.exec(), and got this child process stuck. But I don't think that's what happens... from what I understand that we collected, we see this same child process created at some point in time, and it doesn't go away.
Yes, I realize that my JVM is very old, but I cannot find any bug fixes in the release notes that claim to fix something like this. And since this only happens once every day or two, I'm reluctant to just throw a new JVM at this--although I'm sure I will shortly.
Has anyone else seen anything like this?

Java Studio Creator and JDK

I'm trying to create a game application using java and i've downloaded both java studio creator and JDK. However i'm having problems of writing the program. Should i use notepad and compile it using JDK? Or can i simply use the java studio creator and type in my java codings? And i cant seem to type in any codings in the java studio creator.
Can someone help me please? Thank you.
Message was edited by:
burpyjac

Hello, Burpyjac!
I don't understand what you want to do exactly. If you would like to write an applet for a website maybe Java Studio Creator is not what you want, it's an IDE for developing web applications running in an application server like Glassfisch, SJSAS, Tomcat and the like.
If your game need animation, drawings in a panel and the like you would need another IDE like Netbeans for example to develop an applet. Of course you can just use Notepad, but a IDE like Netbeans is much more comfortable (syntax highlighting, project managment, debugging).
Java Studio Creator is an IDE for web applications and it is based on Netbeans (if you saw both you will notice). If your game can live without graphics maybe you can use it - but be aware that this applications do not run alone, you need an application server.
Cheers,
Jan

What's the difference between Java SE 6 Update 10 RC and JDK 6 Update 7

I want to download jdk and do some java development. But I saw "Java SE 6 Update 10 RC" and "JDK 6 Update 7" are both there for me to download. I don't know which one should I download. I used to think JDK is Java SE. Can someone explain it to me? Great thanks!

[Java 6 Update 10|http://java.sun.com/developer/technicalArticles/javase/java6u10/] provides some nice enhancements for deploying Java to the Desktop, a nice new look and feel and some other nice additions.
Also, JDK 6 Update 7 is the latest, officially released version at the moment. The Update 10 is only a release candidate (that means it is what might become the final Update 10, but can still change).
For normal development (and especially when you're just starting to learn) there shouldn't be too much difference, so choose whichever you want.

JDBC 8.1.6 (2.0) and JDK 1.2 java.sql.SQLException

I wrote an applet program and access to Oracle database using JDBC 2.0 (Oracle 8i 8.1.6). When testing, I got errors java.sql.SQLException: No suitable driver.
Who havd any idea to solve this problems.
It works fine when I use JDBC 1.2 and JDK 1.2 .
Chuleerat.

"No suitable driver" usually means that the
connect string is incorrect.
The 8.1.6 driver supports JDK1.1 and JDK1.2.
If you use JDK1.2, the JDBC 2.0 features
are available to you.
null

Updating java when using JDK and JRE

Ok, so after you make a program in java and compile it, you then install the new update of java. Wouldn't the virtual machine(JRE) or java development kit(JDK) notice something thats different and bring up an error?
Do you have to use the same JDK as JRE that you have, because if you didn't have the most updated one, wouldn't there come up with an error?
Last question, if you have used the command line to compile a program, then you know that you need to use javac to compile and java to run it. Well when you use the command javac to compile, then you are using the JDK; and if you use the java command to run it, then you are using JRE. This is just a question to make sure that I have this correct, So correct me if I'm wrong.

brown16b wrote:
Ok, so after you make a program in java and compile it, you then install the new update of java. Wouldn't the virtual machine(JRE) or java development kit(JDK) notice something thats different and bring up an error? Why? A newer Java version should be able to execute programs compiler for a prior version.
Do you have to use the same JDK as JRE that you have, because if you didn't have the most updated one, wouldn't there come up with an error?Eh, what?
Last question, if you have used the command line to compile a program, then you know that you need to use javac to compile and java to run it. Well when you use the command javac to compile, then you are using the JDK; and if you use the java command to run it, then you are using JRE. This is just a question to make sure that I have this correct, So correct me if I'm wrong.It's correct.

Oracle 8.1.5 and JDK 1.2 Thin Driver

We are doing some prototyping with Oracle 8.1.5, BEA WebLogic
6.1, and JDK 1.3. We needed to know what is the latest version
supported by the oracle thing client drivers for that
configuration.
Or are we the only users doing this and is it mandatory that we
migrate to Oracle 8.1.7?
Thanks,
Nikhil Kumar
Lead Architect
Delta Dental Plan of Michigan
[email protected]

Check out the SQLJ FAQ at:
http://technet.oracle.com/tech/java/sqlj_jdbc/htdocs/faq.html
"ExceptionInInitializerError: NullPointerException"
(This is likely a general configuration issue, not something specific to your code.)
If you see the following stack trace:
unexpected error occurred... java.lang.ExceptionInInitializerError: java.lang.NullPointerException
at sqlj.framework.ClassFileReader.attribute_info(Compiled Code) ...
at sqlj.tools.Sqlj.statusMain(Compiled Code)
at sqlj.tools.Sqlj.main(Sqlj.java:117)
then you are likely running SQLJ version 8.1.5 or earlier under JDK 1.2.x or later.
You need to download the SQLJ 8.1.6 SDK patch, which contains a new translator.zip
version that you can use to replace the translator.zip from 8.0.5/7.3.4 or from JDeveloper 3.0.
null

Urgent Solution needed--Problem in JSP compilation with JDK 1.5 and JDK 1.6

Hi,
I m using JDK 1.5 and Tomcat 5.0 the problem is that after starting server when I m going to access my application at that time instead of displaying HomePage it directly display the blank page on screen.
After analyzing tomcat log I have found that there was a problem with JSP page compilation.
The exception logged in Tomcat Log is given below
An error occurred at line: 1 in the generated java file
The type Collection is not generic; it cannot be parameterized with arguments <? extends E>
Stacktrace:
*     at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)*
*     at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)*
*     at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:423)*
*     at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)*
*     at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)*
*     at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)*
*     at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)*
*     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)*
*     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)*
*     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)*
*     at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)*
*     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)*
*     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)*
*     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)*
*     at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:447)*
*     at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)*
*     at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)*
*     at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:424)*
*     at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:343)*
*     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:144)*
*     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)*
*     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)*
*     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)*
*     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)*
*     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)*
*     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)*
*     at java.lang.Thread.run(Thread.java:619)*
After getting this kind of error I have analyzed my code furhter then I came to know that there was problem with static include tag.
In my jsp page I have used following line which is the main cause of error
<%@ include file="top.jsp" %>If I ommit this line then it is working properly.
Instead of static include I have used jsp:include also.
Still I m getting same problem.
We have to migrated from JDK 1.5 to 1.6 and Tomcat 5.0.28 to 6.0.14, still same problem is there.
We have tried a lot but didnt get success to overcome this problem.
If anybody having any solution then ur each reply will be appreciated.
Thanks in advance..........!!!!!!!
Edited by: JBOSS2000 on Jan 15, 2008 9:29 AM

Hi "mshanu" and "amit" Thanks for ur replies Here I m posting the code of "top.jsp"........!!!!
<%@ page errorPage="errordisplay.jsp"%>
<table cellpadding="0"
       cellspacing="0" height=50 width=780>
       <tbody>
         <tr class="header">
           <td class="logo"><IMG SRC="assets/Logo.gif" BORDER=0 ALIGN=top></td>
           <td align="right"><span class="applicationtitle"><%@ include file="/contents/logo.htm" %></span><br>
           <span class="companyname"><%@ include file="/contents/companyname.htm" %></span></td>
         </tr>
        </tbody>
</table>To include top.jsp I have tried
<jsp:include page="top.jsp" flush="true">
</jsp:include>
         AND
<%@ include file="top.jsp"%>but none of this worked.
If I remove the include then It is working properly.
But I need inluded file too so that I am wondoring for the solution.
This problem seems very wiered to me. I dont know why it is happening.
This problem is started only when I used the TOMCAT 6.14.
Is it the bug of TOMCAT 6.14 or What somebody Plz help.
I got stuck here.........!!!!!!!!!!
It doesn't seem any problem with top.jsp. As per my thinking the problem is there in include due to that it doesn't compile the JSP page in Tomcat 6.0.
Earlier I am having same code running on the Tomcat 5.0.28 and JDK 1.5.0.
But problem occured when I have used Tomcat 6.x...!!

The '$' character no more allowed in java identifier since JDK 1.4.2 ?

Since JDK 1.4.2, I'm no more able to compile java
sources. :-((
Their compilation worked fine on 1.3 and 1.4.1.
Note that these java sources are generated automatcally
via a tool.
<b>The $ (dollar) character seems to be no more allowed
in java identifier.</b>
Here is a part of the Java Language Specification (second edition):
"An identifier is an unlimited-length sequence of Java letters and Java digits, the first of which must be a Java letter.
An identifier cannot have the same spelling (Unicode character sequence) as a keyword (�3.9), boolean literal (�3.10.3), or the null literal (�3.10.7).
A "Java letter" is a character for which the method
Character.isJavaIdentifierStart returns true.
A "Java letter-or-digit" is a character for which the method Character.isJavaIdentifierPart returns true.
The Java letters include uppercase and lowercase ASCII Latin letters A-Z (\u0041-\u005a), and a-z (\u0061-\u007a), and, for historical reasons, the ASCII underscore (_, or \u005f) and dollar sign ($, or \u0024). The $ character should be used only in
mechanically generated source code or, rarely, to access preexisting names on legacy systems.
Here is the result of the Character methods on JDK 1.4.2:
<code>
Character.isJavaIdentifierPart('$'): true
Character.isJavaIdentifierStart('$'): true
</code>
Here are two very samples java sources which reproduce
this probleme
<code>
package sb;
public interface Essai {
public void method1(int i);
public static class InnerClass {
public void test() {};
public void setInnerClass(InnerClass ic);
package sb;
public class EssaiImpl implements Essai {
public void method1(int p1) {
public void setInnerClass(sb.Essai$InnerClass p1) {
</code>

public void setInnerClass(sb.Essai$InnerClass p1) {There is no type named Essai$InnerClass defined anywhere in your program. That is an error in your program that previous compilers failed to detect.

JDeveloper 11g and JDK 1.4.2_16

Hi! I just created a new simple app in JDev 11g and selected the JDK 1.4.2_16 for the model project. I created a set of business components from tables, built the project and them attempted to run the AppModule tester.
I got the following error:
/usr/java/j2sdk1.4.2_16/bin/java -server -classpath /opt/app/oracle/product/jdevstudio1111/BC4J/jlib/bc4jtester.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/bc4jsyscat.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/db-ca.jar:/opt/app/oracle/product/jdevstudio1111/jlib/jdev-cm.jar:/opt/app/oracle/product/jdevstudio1111/lib/xmlparserv2.jar:/opt/app/oracle/product/jdevstudio1111/jlib/ohj.jar:/opt/app/oracle/product/jdevstudio1111/jlib/help-share.jar:/opt/app/oracle/product/jdevstudio1111/jlib/share.jar:/opt/app/oracle/product/jdevstudio1111/jlib/jewt4.jar:/opt/app/oracle/product/jdevstudio1111/jlib/oracle_ice.jar:/opt/app/oracle/product/jdevstudio1111/jlib/ojmisc.jar:/opt/app/oracle/product/jdevstudio1111/ide/lib/idert.jar:/opt/app/oracle/product/jdevstudio1111/ide/lib/javatools.jar:/usr/java/j2sdk1.4.2_16/jre/lib/rt.jar:/usr/java/j2sdk1.4.2_16/jre/lib/i18n.jar:/usr/java/j2sdk1.4.2_16/jre/lib/sunrsasign.jar:/usr/java/j2sdk1.4.2_16/jre/lib/jsse.jar:/usr/java/j2sdk1.4.2_16/jre/lib/jce.jar:/usr/java/j2sdk1.4.2_16/jre/lib/charsets.jar:/usr/java/j2sdk1.4.2_16/jre/classes:/home/mcruz/development/11g/SessionTest11g/.adf:/home/mcruz/development/11g/SessionTest11g/Model/classes:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/adf-share-support.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/adf-share-ca.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/adf-share-base.jar:/opt/app/oracle/product/jdevstudio1111/jlib/identitystore.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/bc4jmt.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/bc4jwizard.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/groovy-all-1.0.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/bc4jct.jar:/opt/app/oracle/product/jdevstudio1111/jlib/commons-el.jar:/opt/app/oracle/product/jdevstudio1111/jlib/jsp-el-api.jar:/opt/app/oracle/product/jdevstudio1111/jlib/oracle-el.jar:/opt/app/oracle/product/jdevstudio1111/jlib/resourcebundle.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/api/jaxb-api.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/api/jsr173_api.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/lib/activation.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/shared/sun.jaxb/2.0/jaxb-xjc.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/shared/sun.jaxb/2.0/jaxb-impl.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/shared/sun.jaxb/2.0/jaxb1-impl.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/adfshare.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/adfm.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/jlib/adfui.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/adfbinding.jar:/opt/app/oracle/product/jdevstudio1111/adfdt/lib/adfdtatrt.jar:/opt/app/oracle/product/jdevstudio1111/adfdt/lib/adftransactionsdt.jar:/opt/app/oracle/product/jdevstudio1111/adfdt/lib/adfdt_common.jar:/opt/app/oracle/product/jdevstudio1111/mds/lib/mdsrt.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jazn.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jazncore.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jps-api.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jps-common.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jps-internal.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jps-fmw.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/jps-unsupported-api.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/lib/jacc-api.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/lib/oc4j-unsupported-api.jar:/opt/app/oracle/product/jdevstudio1111/jdbc/lib/ojdbc5dms.jar:/opt/app/oracle/product/jdevstudio1111/jlib/orai18n.jar:/opt/app/oracle/product/jdevstudio1111/jlib/ojdl.jar:/opt/app/oracle/product/jdevstudio1111/jlib/dms.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/lib/bc4jdomorcl.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/jlib/bc4jdatum.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/lib/servlet.jar:/opt/app/oracle/product/jdevstudio1111/jlib/commons-cli-1.0.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/lib/commons-collections.jar:/opt/app/oracle/product/jdevstudio1111/jlib/xmlef.jar:/opt/app/oracle/product/jdevstudio1111/lib/xml.jar:/opt/app/oracle/product/jdevstudio1111/rdbms/jlib/xdb.jar:/opt/app/oracle/product/jdevstudio1111/javacache/lib/cache.jar:/opt/app/oracle/product/jdevstudio1111/diagnostics/lib/ojdl.jar:/opt/app/oracle/product/jdevstudio1111/j2ee/home/lib/pcl.jar:/opt/app/oracle/product/jdevstudio1111/ucp/lib/ucp.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/shared/oracle.javatools/11.1.1.0.0/dafrt.jar:/opt/app/oracle/product/jdevstudio1111/lib/java/shared/oracle.javatools/11.1.1.0.0/javatools-nodeps.jar:/opt/app/oracle/product/jdevstudio1111/BC4J/jlib/bc4jui.jar:/opt/app/oracle/product/jdevstudio1111/dvt/lib/dvt-client.jar:/opt/app/oracle/product/jdevstudio1111/dvt/lib/dvt-utils.jar:/opt/app/oracle/product/jdevstudio1111/jlib/LW_PfjBean.jar: oracle.jbo.jbotester.MainFrame -X 116D6D52C8E -H jar:file:/opt/app/oracle/product/jdevstudio1111/jdev/doc/studio_doc/ohj/bc4j_f1.jar!/bc4j_f1.hs
Exception in thread "main" java.lang.UnsupportedClassVersionError: oracle/jbo/jbotester/MainFrame (Unsupported major.minor version 49.0)
     at java.lang.ClassLoader.defineClass0(Native Method)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
     at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
     at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
     at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
Process exited with exit code 1.
Am I to assume that jdk1.4.x is no longer supported in JDeveloper and that I should start using JDK1.5.x? But apps built with JDK1.5.x are not supported in AppServer 10.1.2.0.2, which is J2EE 1.3 compliant... Does that mean that JDeveloper 11g is suitable only for apps deployed on OAS 10.1.3.x and above? (OAS 10.1.3.x is J2EE 1.4 compliant, and OAS 11g will be J2EE 5.x compliant).
Comments please.
Thx!

be on OracleAs 10.1.3 at a minimum<<The problem (for us) with Oracle AS 10.1.3 is that Portal 10.1.4 will not run on it (not certified). We want to take advantage of ADF RC and we hope to be able to produce JSF portlets or "portletized" apps. But at the moment we are "stuck" with 10.1.2.0.2 and JDK 1.4.x/J2EE1.3...
While you can have a 10.1.2 farm and add a 10.1.3 separate instance it is not a clean/complete integration (you can't manage all services from the 10.1.2 farm EM and others; this is what I've seen so far, IMO).
We can't wait for OAS 11g to come out and take a look at that. And I certainly hope that Portal will be certifed on 11g so that we can just jump there.
Another wish: WebCenter functionality in Portal, or Portal/WebCenter rolled out into one.

Java SE5 and Java EE5 difference

What is the difference between Java SE5 and Java EE5? Also difference btwn SDK and JDK? I am confused about these basic concepts.
Thanks
Geet

Java Platform, Enterprise Edition is a related specification which includes all of the classes in Java SE, plus a number which are more useful to programs which run on servers as opposed to workstations.
Java EE includes several API specifications, such as JDBC, RMI, e-mail, JMS, web services, XML, etc, and defines how to coordinate them. Java EE also features some specifications unique to Java EE for components. These include Enterprise JavaBeans, servlets, portlets (following the Java Portlet specification), JavaServer Pages and several web service technologies.

Oci_jdbc: Oracle 8.0.5 and JDK 1.2.2

Hi,
I am trying to connect to Oracle 8.0.5 using JDK 1.2.2, both
running on the same AIX server. When 8.0.5 was installed there
were no Java components installed, so as suggested by someone I
copied the jdbc directory(which has the class12.zip) and
libocijdbc8.so to oracle/lib from a test install we have of 8.1.7.
I have set the CLASSPATH, LD_LIBRARY_PATH, and LIBPATH to point to
the classes12.zip and libocijdbc8.so. Looking at the Oracle JDBC
faq these versions of the drivers are needed from JDK 1.2.2. I
have run the JdbcCheckup.java program and get the following error.
I tried using the thin client but it can't find a listener object
or something similar. I have included the error generated below.
Any help would be appreciated to get this running as deadlines are
drawing near and this is the only part holding up the project.
Thanks,
Michael Chernecki
ADAPSYS L.P.
Please enter information to test connection to the database
Connecting to the database...Connecting...
Exception in thread "main" java.lang.UnsatisfiedLinkError: no
ocijdbc8 in java.library.path
at
java.lang.ClassLoader.loadLibrary(ClassLoader.java:1251)
at java.lang.Runtime.loadLibrary0(Runtime.java:473)
at java.lang.System.loadLibrary(System.java:771)
at
oracle.jdbc.oci8.OCIDBAccess.logon(OCIDBAccess.java:228)
at oracle.jdbc.driver.OracleConnection.<init>
(OracleConnection.java:246)
at
oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver
.ja
va:365)
at
oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:260)
at
java.sql.DriverManager.getConnection(DriverManager.java:459)
at
java.sql.DriverManager.getConnection(DriverManager.java:139)
at JdbcCheckup.main(JdbcCheckup.java:35)

: The only oracle driver that vcan run with JDK 1.2.x is in the
OTN
: download area and is named "816SDK for JDK 1.2"
: it will work with the JDK 1.2.X using the JDBC 1.22 spec from
JDK
: 1.1.X.
: IT DOES NOT PROVIDE THE FULL JDBC 2.0 FEATURES/ FUNCTIONALITY
: THAT ARE INCLUDED IN THE JDK 1.2.X CLASSES.
Does anyone know which versions of Oracle this driver will work
with? I'm trying to use JDK 1.2 and Oracle 8.04 with the above
mentioned driver, but it's misbehaving on prepared statements:
I'm getting a 'ORA-8001 not all variables bound' error even
though I'm correctly specifying binary data (using
PreparedStatement.setBytes(..)) for a LONG RAW column...
Please don't tell me I have to upgrade my Oracle installation in
order to use JDBC with JDK 1.2.x
Feedback is greatly appreciated!
thanks!
// Tor Kleiberg
null

Differnet Charting behaviour between Java 7 and Java 8

Hi I've developed an application with charts in Java FX and Java 7. Everything works fine, but now I've tested it with Java 8. There I can see, that something must have changed in the way a chart wil be painted.
The following code will describe the problem. Execute it with Java 7 and Java 8 and you will see what I mean.
package linechartsample;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.chart.AreaChart;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.XYChart;
import javafx.stage.Stage;
public class LineChartSample extends Application {
@Override
public void start(Stage stage) {
stage.setTitle("Line Chart Sample");
final NumberAxis xAxis = new NumberAxis();
final NumberAxis yAxis = new NumberAxis();
xAxis.setLabel("Month");
final LineChart<Number, Number> lineChart = new LineChart<Number, Number>(
xAxis, yAxis);
lineChart.setTitle("Stock Monitoring");
lineChart.setCreateSymbols(false);
XYChart.Series series1 = new XYChart.Series();
series1.setName("Portfolio 1");
series1.getData().add(new AreaChart.Data(1, 10));
series1.getData().add(new AreaChart.Data(2, 20));
series1.getData().add(new AreaChart.Data(3, 10));
series1.getData().add(new AreaChart.Data(2, 5));
series1.getData().add(new AreaChart.Data(1, 10));
Scene scene = new Scene(lineChart, 800, 600);
lineChart.getData().addAll(series1);
StringBuilder builder = new StringBuilder();
// builder.append("-fx-stroke: ");
// builder.append("#");
// builder.append(Integer.toHexString(115));
// builder.append(Integer.toHexString(115));
// builder.append(Integer.toHexString(115));
// builder.append(Integer.toHexString(100));
builder.append("-fx-fill: ");
builder.append("#");
builder.append(Integer.toHexString(215));
builder.append(Integer.toHexString(115));
builder.append(Integer.toHexString(115));
builder.append(Integer.toHexString(100));
series1.getNode().setStyle(builder.toString());
stage.setScene(scene);
stage.show();
public static void main(String[] args) {
launch(args);
What happens here in Java 8???
Additionally I've tried to draw a simple AreaChart with a series of negative values. In Java 7 the area between the line and the X-Axis will be filled. In java 8 the area between the line and the bottom of the chart will be filled. Are there any new properties which have to set to draw it in the correct way? I've checked it with the stackedAreaChart. Here everything is fin in Java7 and Java8.
Can somebody explain me that change in the behaviour of the charts in JavaFX 8?? Or is this a Bug??
Kind regards

Your code is really weird.
Applying a fill to the line path in a line chart is a strange thing to do. Usually a line chart is for drawing lines not filled areas. For filled areas, JavaFX has an AreaChart.
Setting multiple y values for a given x value in a series is also a very strange thing to do. Usually for a LineChart plot, the x values in the series are unique.
I haven't tried your code on Java 7 as I don't have Java 7 installed and your code doesn't really seem like a valid test case to me anyway. That your code got you a result you wanted in Java 7 would be more a fluke than anything else, I would guess.
For your area chart question, please ask that as a separate question with reproducible source code and test case.
If you really think there are bugs or regressions in JavaFX, then report them in the bug tracker after running your tests on the latest development JDK at: https://jdk8.java.net/download.html

Returning arrays using JDBC 2.0 and JDK 1.2.2

I am able to return a varray from an PL/SQL stored procedure to a Java program using the Oracle JDBC 8.1.6 driver classes (oracle.jdbc.driver.* and oracle.sql.ARRAY). I want to avoid using the Oracle specific classes to do this and instead just use the standard JDBC 2.0 classes and JDK 1.2.2. Will I still be able to access the varray returned by the PL/SQL SP or am I forced to use the Oracle classes?
Why I ask this is because the Java code needs to be usable from a Netscape Application Server 4.0/iPlanet Application Server 6.0 servlet or java class. NAS 4.0 uses the JDBC 2.0 classes but I cannot use the Oracle JDBC 8.1.6 classes since NAS 4.0 requires the Oracle 8.0.5 client. iAS 6.0 provides a JDBC 2.0 type 2 driver and uses the Oracle 8.1.5 client but does not support arrays, i.e. CallableStatement.getArray(), ResultSet.getArray(), etc. are not supported.

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Craig Knelsen ([email protected]):
I am able to return a varray from an PL/SQL stored procedure to a Java program using the Oracle JDBC 8.1.6 driver classes (oracle.jdbc.driver.* and oracle.sql.ARRAY). I want to avoid using the Oracle specific classes to do this and instead just use the standard JDBC 2.0 classes and JDK 1.2.2. Will I still be able to access the varray returned by the PL/SQL SP or am I forced to use the Oracle classes?
Why I ask this is because the Java code needs to be usable from a Netscape Application Server 4.0/iPlanet Application Server 6.0 servlet or java class. NAS 4.0 uses the JDBC 2.0 classes but I cannot use the Oracle JDBC 8.1.6 classes since NAS 4.0 requires the Oracle 8.0.5 client. iAS 6.0 provides a JDBC 2.0 type 2 driver and uses the Oracle 8.1.5 client but does not support arrays, i.e. CallableStatement.getArray(), ResultSet.getArray(), etc. are not supported.<HR></BLOCKQUOTE>
can u plzz help me as to how u returned the
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Java vm and jdk 1.4.2

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