AIX IBM JDK 6 User Guide: Migration and Compatibility Tips

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"本资源是IBM SDK, Java Technology Edition Version 6在AIX平台上的用户指南。该文档详细介绍了如何在AIX环境下使用IBM的Java开发工具包，适合技术人员参考。版本适用于所有支持的32位AIX架构，包括后续的更新、修改和Service Refresh，直到有新的版本说明。指南内容涵盖了概述、版本兼容性分析、迁移至新版的步骤以及支持的环境等核心主题。 **1. 概述** 章节一开始就提供了关于此版本的总体介绍，可能涉及IBM SDK和Java Technology Edition Version 6的主要特性、目标用户群以及与先前版本的区别。这部分旨在帮助读者快速理解新功能和升级的重要注意事项。 **2. 版本兼容性** 这部分着重讨论了IBM SDK, Java Technology Edition Version 6与其他版本之间的兼容性，包括明确指出哪些旧版本可以顺利迁移，以及可能遇到的兼容性问题和解决方案。这对于那些希望从旧版本升级的用户来说，是关键的信息来源。 **3. 迁移指南** 对于已经使用早期版本的IBM SDK或JRE的用户，这一部分提供了详细的迁移步骤和建议，以确保平稳过渡到新版本。可能包括更改配置、更新依赖项和处理遗留代码的指导。 **4. 支持的环境** 文档详细列出了IBM SDK, Java Technology Edition Version 6在AIX上的适用环境，包括特定的操作系统版本、硬件要求和推荐的最佳实践。这有助于开发者确定他们的环境是否符合指南的条件。 **版权信息** 文档包含了Oracle和IBM的版权声明，以及针对美国政府用户的限制使用条款，强调了按照GSA ADP Schedule合同与IBM Corp签订的协议来使用、复制或披露的规则。这份用户指南为AIX平台上的IBM JDK使用者提供了一个全面的资源，涵盖了从安装设置、版本管理到性能优化的方方面面，对于深入理解和使用IBM SDK, Java Technology Edition Version 6在AIX上的技术细节具有很高的价值。

rmic (Java Remote Method Invocation (RMI) Stub Converter)

Generates stubs, skeletons, and ties for remote objects. Includes RMI over

Internet Inter-ORB Protocol (RMI-IIOP) support.

rmid (RMI activation system daemon)

Starts the activation system daemon so that objects can be registered and

activated in a Java virtual machine (JVM).

rmiregistry (Java remote object registry)

Creates and starts a remote object registry on the specified port of the

current host.

schemagen

Creates a schema file for each namespace referenced in your Java classes.

serialver (Serial Version Command)

Returns the serialVersionUID for one or more classes in a format that is

suitable for copying into an evolving class.

tnameserv (Common Object Request Broker Architecture (CORBA) transient

naming service)

Starts the CORBA transient naming service.

wsgen

Generates JAX-WS portable artifacts used in JAX-WS Web services.

wsimport

Generates JAX-WS portable artifacts from a Web Services Description

Language (WSDL) file.

xjc

Compiles XML Schema files.

Include Files

C headers for JNI programs.

User Guide

This file.

The copyright notice for the SDK for AIX software.

License

The License file, /sdk/docs/content/ <locale>/license_<locale>.txt, contains the

license agreement for the SDK for AIX software (where <locale> is the name of

your locale, for example en). To view or print the license agreement, open the

file in a Web browser.

8 IBM SDK, Java Technology Edition, Version 6: AIX User Guide

v jre/lib/management/snmp.acl.template

v jre/lib/security/java.policy

v jre/lib/security/java.security

v jre/lib/security/javaws.policy

v jre/lib/xalan.properties

v jre/lib/xerces.properties

There are symbolic links in /usr/java6/ pointing to the files in /etc/java6/.

Installing from an InstallAnywhere package

These packages provide an interactive program that guides you through the

installation options. You can run the program as a graphical user interface, or from

a system console.

About this task

The InstallAnywhere packages have a .bin file extension.

Procedure

v To install the package in an interactive way, complete an attended installation.

v To install the package without any additional user interaction, complete an

unattended installation. You might choose this option if you want to install

many systems.

Results

The product is installed.

Note: Do not interrupt the installation process, for example by pressing Ctrl+C. If

you interrupt the process, you might have to reinstall the product. For more

information, see “Interrupted installation” on page 12.

Completing an attended installation

Install the product from an InstallAnywhere package, in an interactive way.

Before you begin

Check the following conditions before you begin the installation process:

v You must have a user ID with root authority.

Procedure

1. Download the installation package file to a temporary directory.

2. Change to the temporary directory.

3. Start the installation process by typing ./package.bin at a shell prompt, where

package is the name of the package that you are installing.

4. Select a language from the list shown in the installer window, then click Next.

The list of available languages is based on the locale setting for your system.

5. Read the license agreement, using the scroll bar to reach the end of the license

text. To proceed with the installation you must accept the terms of the license

agreement. To accept the terms, select the radio button, then click OK.

10 IBM SDK, Java Technology Edition, Version 6: AIX User Guide

Note: You cannot select the radio button to accept the license agreement until

you have read to the end of the license text.

6. You are asked to choose the target directory for the installation. If you do not

want to install into the default directory, click Choose to select an alternative

directory, by using the browser window. When you have chosen the installation

directory, click Next to continue.

7. You are asked to review the choices that you made. To change your selection,

click Previous. If your choices are correct, click Install to proceed with

installation.

8. When the installation process is complete, click Done to finish.

Completing an unattended installation

If you have more than one system to install, and you already know the installation

options that you want to use, you might want to use the unattended installation

process. You install once by using the attended installation process, then use the

resulting response file to complete further installations without any additional user

interaction.

Procedure

1. Create a response file by completing an attended installation. Use one of the

following options:

v Use the GUI and specify that the installation program creates a response file.

The response file is called installer.properties, and is created in the

installation directory.

v Use the command line and append the -r option to the attended installation

command, specifying the full path to the response file. For example:

./package -r /path/installer.properties

Example response file contents:

INSTALLER_UI=silent

USER_INSTALL_DIR=/my_directory

In this example, /my_directory is the target installation directory that you

chose for the IBM SDK or IBM JRE.

2. Optional: If required, edit the response file to change options.

Note: The packages have the following known issue: installations that use a

response file use the default directory even if you change the directory in the

response file. If a previous installation exists in the default directory, it is

overwritten.

If you are creating more than one response file, each with different installation

options, specify a unique name for each response file, in the format

myfile.properties.

3. Optional: Generate a log file. Because you are installing silently, no status

messages are displayed at the end of the installation process. To generate a log

file that contains the status of the installation, complete the following steps:

a. Set the required system properties by using the following command.

export _JAVA_OPTIONS="-Dlax.debug.level=3 -Dlax.debug.all=true"

b. Set the following environment variable to send the log output to the

console.

export LAX_DEBUG=1

4. Start an unattended installation by running the package installer with the -i

silent option, and the -f option to specify the response file. For example:

Chapter 3. Installing and configuring the SDK and Runtime Environment 11

./package -i silent -f /path/installer.properties 1>console.txt 2>&1

./package -i silent -f /path/myfile.properties 1>console.txt 2>&1

You can use a fully qualified path or relative path to the properties file. In these

examples, the string 1>console.txt 2>&1 redirects installation process

information from the stderr and stdout streams to the console.txt log file in

the current directory. Review this log file if you think there was a problem with

the installation.

Note: If your installation directory contains multiple response files, the default

response file, installer.properties is used.

Interrupted installation

If the package installer is unexpectedly stopped during installation, for example if

you press Ctrl+C, the installation is corrupted and you cannot uninstall or reinstall

the product. If you try to uninstall or reinstall you might see the message Fatal

Application Error.

About this task

To solve this problem, delete files and reinstall, as described in the following steps.

Procedure

1. Delete the \var\.com.zerog.registry.xml registry file.

2. Delete the directory containing the IBM SDK or IBM JRE installation, if it was

created. For example /usr/java6/.

3. Run the installation program again.

Known issues and limitations

The InstallAnywhere packages have some known issues and limitations.

v The installation package GUI does not support the Orca screen-reading program.

You can use the unattended installation mode as an alternative to the GUI.

v If you install the package, then attempt to install again in a different mode, for

example console or silent, you might see the following error message:

Invocation of this Java Application has caused an InvocationTargetException.

This application will now exit

You should not see this message if you installed by using the GUI mode and are

running the installation program again in console mode.

v If you change the installation directory in a response file, and then run an

unattended installation by using that response file, the installation program

ignores the new installation directory and uses the default directory instead. If a

previous installation exists in the default directory, it is overwritten.

Relocating an installp package

By default, the SDK is installed in /usr/java6/. To install the SDK in another

directory, use the AIX relocation commands.

Delete any .toc files in the directory containing your installp images or PTFs

before using the AIX relocation commands.

12 IBM SDK, Java Technology Edition, Version 6: AIX User Guide

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