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Frequently Asked Questions

How do I compile 1.3 java sources with a 1.4.x or 1.5.x JDK?

FAQs-1 - Maven User - Codehaus
lt;project> ... <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <verbose>true</verbose> <fork>true</fork> <executable><!-- path-to-javac --></executable> <compilerVersion>1.3</compilerVersion> </configuration> </plugin> </plugins> </build> ... </project>

Is TAO interoperable with Sun's Java JDK 1.3 ORB?

Support - Frequently Asked Questions - The ACE ORB
Sun's Java 1.3 ORB does not support character sets UTF-8 and UTF-16. To use Sun's Java 1.3 ORB with TAO, you must disable the generation of optional standard profile components in IORs generated by TAO. To do so, use the following ORB initialization option with TAO servers that generate IORs that will be used by Java 1.3 ORB clients: Thanks to Gordana and Kate Matic gordanam@ot.co.nz for posing the original question and Carlos O'Ryan coryan@uci.edu for providing the answer.

How do I get and install JDK 1.3?

jGuru: Java400 FAQ Home Page
For V4R5, see V4R5 5769-JV1 Option 5 (JDK 1.3) AS/400 Install Instructions. This is off of the Java Deployment page. There should also be instructions... I want to use the Developer Kit's native JDBC driver to retrieve data from other AS/400s on a network. I've added the proper Relational Database Entries, but when I try to connect to the remote machines,... If you're at V4R3 or below, the recommendation is to use the Toolbox driver rather than the native driver.

Can I run DrJava with Java 1.3?

Java 1.3 is no longer supported, and DrJava is compiled to require Java 1.4 or later. However, you can use an older version of DrJava. drjava-stable-20040326 was the last stable release to support Java 1.3.

How do I compile my Java source in JEdit?

Usage Questions
There are a number of plugins that you can use to compile Java source code. You can run a Java compiler on the command line in the “System” shell of the Console plugin. If you are using the JCompiler plugin, you will have a “JCompiler” shell in the Console plugin, and you can run the compile command for the current file, or the compilepkg command on all of the current directory's source code files.

A4. How do I download Java and/or JDK? How do I install it?

Frequently Asked Questions About Java
You can get our releases either with a World Wide Web (WWW) browser or by anonymous ftp. For details, including installation instructions, visit: The JavaTM Development Kit (http://java.sun.com/products/jdk/) Choose the version of the JDK you want, and go from there.

Sect. 19) What's the hidden size limitation of String serialization (pre-JDK 1.3)?

Java Programmer's FAQ - Part D
The size of the String, when UTF-encoded, must be < 64Kb So for robust code you have to examine the String once to ensure that it will be less than 64Kb after encoding, and then have the JVM effectively repeat that work in the process of encoding, when you write it to an ObjectOutputStream. A possible workaround that is to strip the string down to "byte[]" and pass it around in RMI that way. The code with this restriction is in DataOutputStream public final void writeUTF(String str) ..

How do I compile generics for use with JDK <= 1.4?

Java Generics FAQs - Under The Hood Of The Compiler
Retroweaver is a Java bytecode weaver that enables you to take advantage of the new 1.5 language features in your source code, while still retaining compability with 1.4 virtual machines. Retroweaver rewrites class files so that they are compatible with older virtual machines. Check out http://sourceforge.net/projects/retroweaver .

How do I add my generated sources to the compile path of Maven, when using modello?

FAQs-1 - Maven User - Codehaus
Modello generate the sources in the generate-sources phase and automatically adds the source directory for compilation in maven. So you don't have to copy the generated sources. You have to declare the modello-plugin in the build of your plugin for source generation (in that way the sources are generated each time).

Can FlagShip compile my FoxPro sources?

VFS FAQ - FlagShip Frequently Asked Support Questions
Yes for both DOS/Unix FoxBase and MS-FoxPro 2.5 to 2.6, when the -fox compiler switch of FlagShip is used. You will need to export the FoxPro project to .prg sources and databases to dBaseIII+ compatibility (or use special Fox RDD). Since FoxPro syntax may differ heavy from standard xBase, and since FlagShip is a true compiler (as opposite to interpreter), some commands and functions are treated differently from Clipper and/or are user modifiable in the foxproapi.

Which functionality in XINS does not work on Java 1.3?

XINS - Frequently Asked Questions
Without an appropriate library, HTTPS will not work. It may work with one, but this has not been tested.

How does gcj resolve whether to compile .class or .java files?

The GCJ FAQ - GNU Project - Free Software Foundation (FSF)
GCJ compiles only the files presented to it on the command line. However, it also needs to scan other files in order to determine the layout of other classes and check for errors in your code. For these dependencies, GCJ will favour .class files if they are available because it is faster to parse a class file than source code.

Does HostBreak support Java? Which Java engine and JDK is used?

FAQ about Web Hosting Plans, Shared Hosting features and 24/...
Yes, we support Java. HostBreak is using TomCat 3.2.4 and JDK 1.4.1. Frequently asked Java questions are replied in Java Hosting FAQs. HostBreak has always maintained a policy of adding value components wherever possible. These components do not require any additional payment, the only thing you need is the skill to implement them. You may find a list of available components here.

How can I ensure that the Java JDK is using JacORB rather than its own ORB?

Support - Frequently Asked Questions - The ACE ORB
Java uses a properties file called "orb.properties" to determine which ORB to use. If the Java runtime doesn't find an orb.properties file, it uses the JDK's ORB. JacORB's orb.properties file is located in the top-level JacORB directory. Copy JacORB's orb.properties file into the Java JDK's ${java.home}/lib directory to enable JacORB.

What is a ClassPath. Where can I download the JDK (also known as the Java 2 SDK)?

Data Representations: Support
You can download JDK from Sun at Sun Downloads. IBM and Blackdown also have JDKs available for Linux. Other vendors, like apple have downloads of the JDK available for their operating system.

Is PERC compatible with the latest JDK? and Java? standards?

Aonix - PERC - FAQ
Aonix performs extensive qualification testing of the PERC VM and its associated Java? class library emulations using an Aonix-proprietary test suite. PERC Ultra strives for full compatibility with the Java Standard Edition. PERC Ultra runs through suites of tens of thousands of compatibility tests to provide assurance that off-the-shelf Standard Edition libraries will work on the PERC VM. We are confident that no other clean-room implementation achieves the level of compatibility of PERC Ultra.

Can I use Java Development Kit (JDK) version 1.1.7x?

Adobe Acrobat Reader - Acrobat Viewer FAQ
The recommended JDK is version 1.1.8. However, on Windows, version 1.1.7 should work fine. On Solaris using 1.1.7, dialog boxes come up larger than full screen, along with several other annoying user-interface quirks.

edit] Q: Are There Any Options I Can Use with the Java JDK?

FAQ-Configuration - OpenNMS
Note: this FAQ entry is out of date. I do not believe that any of these options work today. Dgregor 19:38, 15 February 2006 (CST) OK this is kind of minor... but this patch to the opennms start script (as it exists pre-build) adds the following env variables to configure garbage collecting... USE_CONCGC Use Concurrent Mark Sweep GC USE_PARALLELGC Use Parallel GC (multi-processor only, untested by me) LOG_GC Log GC to @root.install.logs@/gc.

top] What version of Java JDK does ShapeLogic work with?

shapelogic - Frequently Asked Questions
ShapeLogic is compiled with JDK version 1.6. There are parts of it that is using the JSR 223 scripting framework, introduced in 1.6. It might be possible to compiled it with JDK 1.5.
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