diff --git a/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/PaxWebStandardContext.java b/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/PaxWebStandardContext.java
index 5ed917513f..d3c1110351 100644
--- a/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/PaxWebStandardContext.java
+++ b/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/PaxWebStandardContext.java
@@ -129,6 +129,7 @@ public PaxWebStandardContext(Default404Servlet defaultServlet, OsgiSessionAttrib
 		this.osgiSessionsBridge = osgiSessionsBridge;
 		this.setClearReferencesObjectStreamClassCaches(false);
 		this.setClearReferencesRmiTargets(false);
+		this.setClearReferencesThreadLocals(false);
 	}
 
 	/**
diff --git a/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/TomcatServerWrapper.java b/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/TomcatServerWrapper.java
index 893469b5cb..69c79cb414 100644
--- a/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/TomcatServerWrapper.java
+++ b/pax-web-tomcat/src/main/java/org/ops4j/pax/web/service/tomcat/internal/TomcatServerWrapper.java
@@ -2073,6 +2073,7 @@ private void ensureServletContextStarted(PaxWebStandardContext context) {
 			ParallelWebappClassLoader loaderInstance = new ParallelWebappClassLoader(highestRankedContext.getClassLoader());
 			loaderInstance.setClearReferencesObjectStreamClassCaches(false);
 			loaderInstance.setClearReferencesRmiTargets(false);
+			loaderInstance.setClearReferencesThreadLocals(false);
 			tomcatLoader.setLoaderInstance(loaderInstance);
 			context.setParentClassLoader(highestRankedContext.getClassLoader());
 			context.setLoader(tomcatLoader);