WebSphere 6.0 -> javax.faces.Output/javax.faces.Text

Hello,
we have an application running on a WebSphere 6.0 over a Sun OS 5.8.

The server log is full of this warning trace:

[2/5/08 18:57:15:907 MET] 000000a6 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text
[2/5/08 18:57:15:926 MET] 000000a6 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text
[2/5/08 18:57:15:944 MET] 000000a6 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text
[2/5/08 18:57:15:959 MET] 000000a6 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text
[2/5/08 18:57:15:971 MET] 000000a6 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text
[2/5/08 18:57:18:296 MET] 00000024 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text
[2/5/08 18:57:18:378 MET] 00000024 HtmlRenderKit W org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer Unsupported component-family/renderer-type: javax.faces.Output/javax.faces.Text

Can you tell us someway to avoid this warning.

Thanks in advance.