Getting An internal error occurred during: "Initializing Java Tooling".org.eclipse.sapphire.modeling

[Bhadra Menon]

Hi,

I recently integrated start team with eclipse and after that i am getting the below exceptions:
1) when starting eclipse and eclipse opens
Getting An internal error occurred during: "Initializing Java Tooling".org.eclipse.sapphire.modeling

2) when saving file in eclipse
Errors occurred during the build.
Errors running builder 'Java Builder' on project 'STORE_GUI'.
org.eclipse.sapphire.modeling.ValidateEditException

because of this workspace is not building .
also the error log is showing
java.lang.NullPointerException
at com.borland.team.starteam.provider.StarTeamOperations.isCheckedOut(Unknown Source)
at com.borland.team.starteam.provider.FileModificationValidator.validateEdit(Unknown Source)
at org.eclipse.core.resources.team.FileModificationValidator.validateEdit(FileModificationValidator.java:58)
at org.eclipse.team.core.RepositoryProvider$2.validateEdit(RepositoryProvider.java:413)
at org.eclipse.team.internal.core.FileModificationValidatorManager.validateEdit(FileModificationValidatorManager.java:67)