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JAR Class Finder

A Rational Application Developer/Eclipse plug-in utility for finding Java Archive (JAR) files containing a given class for the Java build path of a project and for helping to fix NoClassDefFound exceptions.

Date Posted: August 4, 2003

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Platform requirements

Operating systems: Any operating system running Eclipse 3 or Rational® Application Developer 6 (multi-platform)

Software: Eclipse 3 or Rational Application Developer 6

Installation instructions

Uninstalling previous versions:

  1. Close any open instances of Eclipse, Rational Application Developer, or WebSphere® ID.
  2. On Rational Application Developer or WebSphere Integration Developer:
    1. Navigate to <RAD_or_WID-install-dir>\eclipse\plugins\. For example: C:\Program Files\IBM\SDP70\plugins.
    2. Remove any directories named the following:
      com.ibm.hursley.jarclassfinder_*
    On Eclipse:
    1. Navigate to <Eclipse-install-dir>\plugins\. For example: C:\Program Files\Eclipse\plugins.
    2. Remove any directories named the following:
      com.ibm.hursley.jarclassfinder_*

Installing Version 2.1.0:

  1. Download the file com.ibm.hursley.jarclassfinder_2.1.0.jar.
  2. Close any open instances of Eclipse, Rational Application Developer, or WebSphere Integration Developer.
  3. On Rational Application Developer 7.0: Move the com.ibm.hursley.jarclassfinder_2.1.0.jar file to <RAD-install-dir>\plugins\. For example: C:\Program Files\IBM\SDP70\plugins.
    On Eclipse (Version 3.2 or above): Move the com.ibm.hursley.jarclassfinder_2.1.0.jar file to <Eclipse-install-dir>\plugins\. For example: C:\Program Files\Eclipse\plugins.
  4. Start your workbench (with the -clean option) either by editing the shortcut or by calling it from the command line.
  5. In order to use JAR Class Finder:
    1. Click on the new icon that appears in the toolbar (it looks like a magnifying glass over the letter C).
    2. Enter the class you wish to find (for example, Base64DecoderStream).
    3. Browse to the location in the file system where you wish to begin your search (for example: C:\Program Files\IBM\WebSphere\AppServer\lib).
    4. Click on Find.
    5. When the results appear in the table, right-click on an entry and add it to the Java™ build path of your project, or choose other options as appropriate.

Installing Versions 2.0.1 and 2.0.3:

  1. Download the jarclassplugin.zip file.
  2. Close any open instances of Eclipse or Rational Application Developer.
  3. Unzip the jarclassplugin.zip file to <RAD-install-dir>/eclipse/. For example: C:\Program Files\IBM\Rational\SDP\6.0\eclipse.
  4. Start your workbench.
  5. In order to start JAR Class Finder:
  6. In order to use JAR Class Finder:
    1. Enter the class you wish to find (for example, Base64DecoderStream).
    2. Browse to the location in the file system where you wish to begin your search (for example: <RAD-install-dir>/runtimes).
    3. Click on Find.
    4. When the results appear in the table, right-click on an entry and add it into the Java build path of your project, or choose other options as appropriate.


Downloadable file(s) available for JAR Class Finder.
Filename File size Description

JarClassFinder-2.1.0.jar    112KBV2.1.0 supports Eclipse 3 and the latest versions of RAD and WID (including RAD 7.0)
JarClassFinder-2.0.3.zip    112KBV2.0.3 supports Eclipse 3/RAD 6.0 only
JarClassFinder-2.0.1.zip    108KBV2.0.1 supports Eclipse 2.1 and 3.0 for all previous version


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