Build failed when use EJB Model

Hi experts.

I have one eb dynpro DC that contains a model type enterprise java beans.

When i apply template "Service Controller" in component controller and after deploy i get the follow error in Build log:

[javac] Compiling 26 source files to D:SAPWorkspacesSAPEHPWorkspace.jdi4	E7D65AC4087E200E11A14DD40E7DE510classes
     [javac] An exception has occurred in the compiler (1.5.0_17). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)  after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report.  Thank you.
     [javac] com.sun.tools.javac.code.Symbol$CompletionFailure: file javaxxml indannotation.class not found
Error: D:SAPWorkspacesSAPEHPWorkspace.jdi4	2E7D65AC4087E200E11A14DD40E7DE510defaultlogs uild.xml:256: Compile failed; see the compiler error output for details.
	at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:933)
	at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757)
...

Can someone help me about that?

i use NetWeaver EHP1 7.1 SP04.

Best Regards

Marcos Brandã