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Re: [aspectj-users] Eclipse project with JDK 1.4.2
java.lang.StringBuilder was added in Java 5.0 as a replacement for StringBuffer (for improved performance if the mutable string is thread-local).  Thus, your program or its aspects need a JDK 1.5 (Java 5.0) or above.  You can't run it on JDK 1.4.2.

To run it on JDK 1.4.2 you need to search for all StringBuilder declarations in the code an change them to StringBuffer...the behaviour should be identical.

Tim Halloran

On 5/3/07, bora.erbas <bora.erbas@xxxxxxxxx> wrote:

Hi,

I am trying to apply some aspects to a JDK 1.4.2 project which runs on
Eclipse 3.2.1 + AJDT 1.4.1.
And AJDT 1.4.1 means I have AspectJ 1.5.3.

I am getting the compile error from AJ compiler as:
can't determine superclass of missing type java.lang.StringBuilder
when weaving classes
when weaving
when batch building
BuildConfig[D:\EclipseWS\.metadata\.plugins\org.eclipse.ajdt.core\ProjName.generated.lst]
#Files=117
[Xlint:cantFindType]   ....

So this looks like AJ compiler is using Java 5 features but the project is
1.4.2.
Does this mean that AspectJ 1.5.3 can only be used for Java 5 projects?

Thanks,
Bora.

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