I am trying to troubleshoot some issues and started a clean build.

Should I be concerned about warnings of unmappable characters and deprecated features in bilding the portlet, core, and bridge modules?

Please advise.
Thanks for any guidance.
CR

module portlet:

[execmodules] * value of this attribute is English(???en???).
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/deployment/jboss/PortletAppDeployment.java:745: warning: unmappable character for encoding
ASCII
[execmodules] * value of this attribute is English(???en???).
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/deployment/jboss/PortletAppDeployment.java:745: warning: unmappable character for encoding
ASCII
[execmodules] * value of this attribute is English(???en???).
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/deployment/jboss/PortletAppDeployment.java:745: warning: unmappable character for encoding
ASCII
[execmodules] * value of this attribute is English(???en???).
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/deployment/jboss/PortletAppDeployment.java:745: warning: unmappable character for encoding
ASCII
[execmodules] * value of this attribute is English(???en???).
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/PortletRequestImpl.java:358: warning: [deprecation] getClientRequest() in org.jboss.p
ortal.server.app.ComponentRequestContext has been deprecated
[execmodules] return creq.getContext().getClientRequest().getLocales();
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/aspects/component/SessionPreDispatchInterceptor.java:40: warning: [deprecation] getClientR
equest() in org.jboss.portal.server.app.ComponentRequestContext has been deprecated
[execmodules] HttpServletRequest req = invocation.getRequest().getContext().getClientRequest();
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/DispatchedHttpServletRequest.java:354: warning: [deprecation] isRequestedSessionIdFro
mUrl() in javax.servlet.http.HttpServletRequest has been deprecated
[execmodules] public boolean isRequestedSessionIdFromUrl()
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/DispatchedHttpServletRequest.java:112: warning: [deprecation] getRealPath(java.lang.S
tring) in javax.servlet.ServletRequest has been deprecated
[execmodules] public String getRealPath(String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/DispatchedHttpServletResponse.java:183: warning: [deprecation] setStatus(int,java.lan
g.String) in javax.servlet.http.HttpServletResponse has been deprecated
[execmodules] public void setStatus(int i, String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/DispatchedHttpServletResponse.java:44: warning: [deprecation] encodeRedirectUrl(java.
lang.String) in javax.servlet.http.HttpServletResponse has been deprecated
[execmodules] public String encodeRedirectUrl(String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/DispatchedHttpServletResponse.java:120: warning: [deprecation] encodeUrl(java.lang.St
ring) in javax.servlet.http.HttpServletResponse has been deprecated
[execmodules] public String encodeUrl(String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/portlet/src/main/org/jboss/portal/portlet/impl/PortletRequestDispatcherImpl.java:58: warning: [deprecation] getRealPath(java.lang.St
ring) in javax.servlet.ServletRequest has been deprecate



And during the bridge compilation....
[execmodules] /usr/local/jboss-portal-2.2.0-src/bridge/src/main/org/jboss/portal/bridge/BridgeRequest.java:295: warning: [deprecation] isRequestedSessionIdFromUrl() in javax.servle
t.http.HttpServletRequest has been deprecated
[execmodules] public boolean isRequestedSessionIdFromUrl()
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/bridge/src/main/org/jboss/portal/bridge/BridgeRequest.java:64: warning: [deprecation] getRealPath(java.lang.String) in javax.servlet
.ServletRequest has been deprecated
[execmodules] public String getRealPath(String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/bridge/src/main/org/jboss/portal/bridge/BridgeResponse.java:256: warning: [deprecation] setStatus(int,java.lang.String) in javax.ser
vlet.http.HttpServletResponse has been deprecated
[execmodules] public void setStatus(int i, String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/bridge/src/main/org/jboss/portal/bridge/BridgeResponse.java:56: warning: [deprecation] encodeRedirectUrl(java.lang.String) in javax.
servlet.http.HttpServletResponse has been deprecated
[execmodules] public String encodeRedirectUrl(String s)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/bridge/src/main/org/jboss/portal/bridge/BridgeResponse.java:185: warning: [deprecation] encodeUrl(java.lang.String) in javax.servlet
.http.HttpServletResponse has been deprecated
[execmodules] public String encodeUrl(String s)
[execmodules] ^
[execmodules] 5 warnings

core:

_default:compile-classes:
[mkdir] Created dir: /usr/local/jboss-portal-2.2.0-src/core/output/classes
[mkdir] Created dir: /usr/local/jboss-portal-2.2.0-src/core/output/gen/classes
[javac] Compiling 305 source files to /usr/local/jboss-portal-2.2.0-src/core/output/classes
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/core/aspects/server/UserInterceptor.java:203: warning: [deprecation] getPreferencesGroup(org.jboss.po
rtal.core.model.User) in org.jboss.portal.core.modules.UserModule has been deprecated
[execmodules] PreferencesGroup group = module.getPreferencesGroup(user);
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/core/command/CoreComponentRequestContext.java:189: warning: [deprecation] getClientRequest() in org.j
boss.portal.server.app.ComponentRequestContext has been deprecated
[execmodules] public HttpServletRequest getClientRequest()
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/core/impl/user/UserModuleImpl.java:331: warning: [deprecation] getPreferencesGroup(org.jboss.portal.c
ore.model.User) in org.jboss.portal.core.modules.UserModule has been deprecated
[execmodules] public PreferencesGroup getPreferencesGroup(User user)
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/core/portlet/cms/CMSPortlet.java:180: warning: [deprecation] getInvocation() in org.jboss.portlet.JBo
ssRenderResponse has been deprecated
[execmodules] ComponentInvocation invocation = ((JBossRenderResponse) resp).getInvocation();
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/core/portlet/cms/admin/CMSAdminPortlet.java:809: warning: [deprecation] getInvocation() in org.jboss.
portlet.JBossRenderResponse has been deprecated
[execmodules] ComponentInvocation invocation = ((JBossRenderResponse) resp).getInvocation();
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/test/core/HttpServletRequestWrapperImpl.java:20: warning: [deprecation] getRealPath(java.lang.String)
in javax.servlet.ServletRequest has been deprecated
[execmodules] public class HttpServletRequestWrapperImpl
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/test/core/HttpServletRequestWrapperImpl.java:20: warning: [deprecation] isRequestedSessionIdFromUrl()
in javax.servlet.http.HttpServletRequest has been deprecated
[execmodules] public class HttpServletRequestWrapperImpl
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/test/core/HttpServletRequestWrapperImpl.java:20: warning: [deprecation] getRealPath(java.lang.String)
in javax.servlet.ServletRequest has been deprecated
[execmodules] public class HttpServletRequestWrapperImpl
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/test/core/ModelTestCase.java:48: warning: [deprecation] getPreferencesGroup(org.jboss.portal.core.mod
el.User) in org.jboss.portal.core.modules.UserModule has been deprecated
[execmodules] protected Session getCurrentSession()
[execmodules] ^
[execmodules] /usr/local/jboss-portal-2.2.0-src/core/src/main/org/jboss/portal/test/core/PreferencesModelTestCase.java:41: warning: [deprecation] getPreferencesGroup(org.jboss.port
al.core.model.User) in org.jboss.portal.core.modules.UserModule has been deprecated