Eclipse3.6+Doja-5.1でA handler conflict occurred. This may disable some commands.

iアプリ(Doja-5.1)開発用のEclipse起動後、エラーログに

A handler conflict occurred.  This may disable some commands.

が表示される。

■エラーログ出力の詳細

eclipse.buildId=M20110210-1200
java.version=1.6.0_27
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=ja_JP
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product

警告
Fri Dec 09 14:47:13 JST 2011
A handler conflict occurred.  This may disable some commands.


eclipse.buildId=M20110210-1200
java.version=1.6.0_27
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=ja_JP
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product

警告
Fri Dec 09 14:47:13 JST 2011
競合 'AUTOGEN:::com.nttdocomo.eclipse.ProjectActionSet/com.nttdocomo.eclipse.DoJaProjectSettingAction':HandlerActivation(commandId=AUTOGEN:::com.nttdocomo.eclipse.ProjectActionSet/com.nttdocomo.eclipse.DoJaProjectSettingAction,
handler=ActionDelegateHandlerProxy(null,com.nttdocomo.eclipse.DoJaProjectSettingAction),
expression=AndExpression(ActionSetExpression(com.nttdocomo.eclipse.ProjectActionSet,org.eclipse.ui.internal.WorkbenchWindow@15926d1),WorkbenchWindowExpression(org.eclipse.ui.internal.WorkbenchWindow@15926d1)),sourcePriority=16640)
HandlerActivation(commandId=AUTOGEN:::com.nttdocomo.eclipse.ProjectActionSet/com.nttdocomo.eclipse.DoJaProjectSettingAction,
handler=ActionDelegateHandlerProxy(null,com.nttdocomo.eclipse.DoJaProjectSettingAction),
expression=AndExpression(ActionSetExpression(com.nttdocomo.eclipse.ProjectActionSet,org.eclipse.ui.internal.WorkbenchWindow@15926d1),WorkbenchWindowExpression(org.eclipse.ui.internal.WorkbenchWindow@15926d1)),sourcePriority=16640)