NoClassDefFoundError in jackcess

Question

I am working on an RCP application which is based on eclipse plugins. In one of my plugin project I add another plugin project as dependency. Let say Project A has Project B as a dependency defined under its manifest. Project B contains jackcess.jar file as referenced library.

In Project B I have a class called Mirror.java

 public Mirror(String source, String template, String target) throws SQLException, IOException {
    this.sourceString=source;
    this.templateFileString=template;
    this.targetFileString=target;
}

inside from project A when I try to create an object of class Mirror

 Mirror  m = new Mirror(connectionString, "EABase_JET4_empty.eap",platformDB.getAbsolutePath());

I get the following error

java.lang.NoClassDefFoundError: com/healthmarketscience/jackcess/ImportFilter

build.properties of Project B (containing jackcess.jar)

bin.includes = META-INF/,\
           src/main/resources/lib/jackcess-1.2.6.af3.jar

The MANIFEST.MF

Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: MirrorDbToEap
Bundle-SymbolicName: MirrorDbToEap
Bundle-Version: 1.0.0
Export-Package: .,
 com.example.jetdb.mirror
 Require-Bundle: CommonsIo;bundle-version="2.0.0",
 org.apache.commons.lang;bundle-version="2.6.0",
 org.apache.commons.logging;bundle-version="1.0.4"

Anyone having any idea what's going wrong here?

Thanks

Show us the build.properties and MANIFEST.MF files for the project containing jackcess.jar — greg-449, Apr 22 '15 at 10:06

greg-449 · Accepted Answer · 2015-04-22T12:08:41.290

1

You are not including the jackcess.jar in the bin.includes in the build.properties file so it is not being included in the RCP build.

Open the build.properties editor and select the jar in the 'Binary Build' selection.

The jar must also appear in the Bundle-ClassPath in the MANIFEST.MF. In the manifest editor in the Runtime tab add the jar to the 'Classpath' section (you should also have '.' for normal plugin code).

edited Apr 22 '15 at 12:08

answered Apr 22 '15 at 10:26

greg-449

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its still giving me the same error my build.properties look like this now bin.includes = META-INF/,\ src/main/resources/lib/jackcess-1.2.6.af3.jar – Ragnar Apr 22 '15 at 11:24
Please edit the question and put the new build.properties there, it is impossible to read in a comment. – greg-449 Apr 22 '15 at 11:33
I also attached an image – Ragnar Apr 22 '15 at 11:55
Added Bundle-ClassPath requirement – greg-449 Apr 22 '15 at 12:08

score 0 · Answer 2 · answered Apr 22 '15 at 10:04

0

It seems the class which is available in compile time, is not available in run time.

answered Apr 22 '15 at 10:04

Super Hornet

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yes I know but how can I add this class during the runtime , is it not enough to add the project B as dependency in project A ? – Ragnar Apr 22 '15 at 10:06
I think so, that would be enough – Super Hornet Apr 22 '15 at 10:07

NoClassDefFoundError in jackcess

2 Answers2