NoClassDefFoundError problem

Hi again friends,
I'm using JDEV to develop OAF, I have no problem doing unit test with Mockito, and Junit 3.x. JUnit 3 is the officially supported version for my IDE build.
I wanted to use JUnit 4, so I decided to just run my tests using ant build file. Everything compiled fine after adding the jar/zip files from jdev one after another in the ant classpath.
But when I try to run the unit test, I am getting this NoClassDefFoundError apparently from a class file is I already included in the build file. The method call having problem same version jar file Mockito.
   [junit] java.lang.NoClassDefFoundError: oracle/adf/mds/repos/DatabaseContext
   [junit]     at java.lang.Class.getDeclaredConstructors0(Native Method)
   [junit]     at java.lang.Class.privateGetDeclaredConstructors(Class.java:238
   [junit]     at java.lang.Class.getDeclaredConstructors(Class.java:1836)
   [junit]     at org.mockito.internal.creation.jmock.ClassImposterizer.setCons
ructorsAccessible(ClassImposterizer.java:58)
   [junit]     at org.mockito.internal.creation.jmock.ClassImposterizer.imposte
ise(ClassImposterizer.java:53)
   [junit]     at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:5
   [junit]     at org.mockito.internal.MockitoCore.mock(MockitoCore.java:45)
   [junit]     at org.mockito.Mockito.mock(Mockito.java:921)
   [junit]     at org.mockito.Mockito.mock(Mockito.java:816)Please share some ideas, thanls.
I'll try to see what happens If I use JUnit3.0 in with ant... Same error.
Maybe while the Class in question is being instantiated, it silently depend on another class that is not present in my classpath...That's exactly the case, solved by including all jar files defined for the project in jdev.
Sorry for the monologue.
Edited by: thedatawarehouse on Apr 25, 2011 4:34 PM

I'm unfamiliar with JDEV, but the short answer is: Find where oracle.adf.mds.repos.DatabaseContext.class is on your machine & add it to your classpath.

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Re: NoClassDefFoundError problem when running Junit via Ant on CI Server

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jschell wrote:
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Caused by: java.lang.ClassNotFoundException: oracle.sql.STRUCT
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... 33 more
|#]

>
Our live servers are working fine. Our development server now is spewing out a java.lang.NoClassDefFoundError: oracle/sql/STRUCT error whenever it encounters a servlet or page which uses this class.
ojdbc14.jar and sdopai.jar were included within the WAR file, and I have tried with them excluded from the WAR file to no avail. We have tried reverting the version of ojdbc.jar on the server to the earlier version, this has made no different.
>
If your code can't find the class then you have the classic NoClassDefFoundError problem you get when any other referenced class can't be located.
The oracle/sql/STRUCT class is in the ojdbc14.jar, ojdbc5.jar and ojdbc6.jar so if it can't be found then that class is missing from the jar you are using (which you can tell by examining the jar contents) or the jar is missing from the classpath being used.
As already mentioned you need the Oracle 11 JDBC files to support Java 1.6
Here is the official Oracle JDBC page that shows the Oracle DB versions supported for each of the JDBC drivers available and also describes the JDBC jars and what JDK versions they support.
http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-faq-090281.html#02_01
>
Which JDBC drivers support which versions of Javasoft's JDK?
pre-8i OCI and THIN Drivers - JDK 1.0.x and JDK 1.1.x
8.1.5 OCI and THIN Drivers - JDK 1.0.x and JDK 1.1.x
8.1.6SDK THIN Driver - JDK 1.1.x and JDK 1.2.x (aka Java2)
8.1.6SDK OCI Driver - Only JDK 1.1.x
8.1.6 OCI and THIN Driver - JDK 1.1.x and JDK 1.2.x
8.1.7 OCI and THIN Driver - JDK 1.1.x and JDK 1.2.x
9.0.1 OCI and THIN Driver - JDK 1.1.x, JDK 1.2.x and JDK 1.3.x
9.2.0 OCI and THIN Driver - JDK 1.1.x, JDK 1.2.x, JDK 1.3.x, and JDK 1.4.x
10.1.0 OCI and THIN Driver - JDK 1.2.x, JDK 1.3.x, and JDK 1.4.x
10.2.0 OCI and THIN Driver - JDK 1.2.x, JDK 1.3.x, JDK 1.4.x, and JDK 5.0.x
11.1.0 OCI and THIN Driver - JDK 1.5.x and JDK 1.6.x
11.2.0 OCI and THIN Driver - JDK 1.5.x and JDK 1.6.x
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my source code is :
import java.security.*;
import javax.net.ssl.*;
System.out.println("Classpath ->"+System.getProperty("java.class.path"));
SSLSocketFactory factory = (SSLSocketFactory)SSLSocketFactory.getDefault();
SSLSocket SSLcontrol_connection = (SSLSocket)factory.createSocket(ftp_server, 990);
SSLcontrol_connection.startHandshake();
..........the erroe message is:
Classpath ->O:\hpovams_dev_sd40\sd\lib\JClark.zip;O:\hpovams_dev_sd40\sd\lib\jcert.jar;O:\hpovams_dev_sd40\sd\lib\jnet.jar;O:\hpovams_dev_sd40\sd\lib\jsse.jar;..........
java.lang.NoClassDefFoundError
at javax/net/ssl/SSLSocketFactory.a (DashoA12275)
at javax/net/ssl/SSLSocketFactory.getDefault (DashoA12275)It is not a classpath problem as I have included the 3 jar files into classpath,.
I also tried to add
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());before create SSLSocketFactory, then it report that
java.lang.NoClassDefFoundError
at com/sun/net/ssl/internal/ssl/Provider.<init> (DashoA12275)My developing GUI is eclipse 3.1, and the OS is winXP.
Please give me some help, thank you very much.

oh. I have found the problem. Acturally, the running enviroment is under microsoft j++, so it could only support jdk1.1, but jsse only support from jdk1.2, so that's the problem why it said that no class found.
Now I only found that oracle has a solution for SSL which support
jkd1.1(SUN's jsse package only support from jdk1.2). It described the
method and sample code in Oracle Advanced Security Administrator's
Guide Release 2 (9.2)
(http://www.stanford.edu/dept/itss/docs/oracle/9i/network.920/a96573/a...)

NoClassDefFoundError problem

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