diff --git a/.project b/.project
new file mode 100644
index 00000000..96e63983
--- /dev/null
+++ b/.project
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>spring-session-build</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.springsource.ide.eclipse.gradle.core.nature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1404832101309</id>
+			<name></name>
+			<type>26</type>
+			<matcher>
+				<id>org.eclipse.ui.ide.orFilterMatcher</id>
+				<arguments>
+					<matcher>
+						<id>org.eclipse.ui.ide.multiFilter</id>
+						<arguments>1.0-projectRelativePath-equals-true-false-samples/web</arguments>
+					</matcher>
+					<matcher>
+						<id>org.eclipse.ui.ide.multiFilter</id>
+						<arguments>1.0-projectRelativePath-equals-true-false-spring-session</arguments>
+					</matcher>
+				</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>
diff --git a/build.gradle b/build.gradle
index aa7f4b36..0bfc166f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,9 +14,6 @@ buildscript {
 
 group = 'org.springframework.session'
 
-sourceCompatibility = 1.5
-targetCompatibility = 1.5
-
 ext.JAVA_GRADLE = "$rootDir/gradle/java.gradle"
 ext.TOMCAT_GRADLE = "$rootDir/gradle/tomcat.gradle"
 
diff --git a/samples/web/.project b/samples/web/.project
new file mode 100644
index 00000000..7a96faa3
--- /dev/null
+++ b/samples/web/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>samples/web</name>
+	<comment/>
+	<projects/>
+	<natures>
+		<nature>org.eclipse.jdt.groovy.core.groovyNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
+		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
+	</natures>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments/>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments/>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments/>
+		</buildCommand>
+	</buildSpec>
+	<linkedResources/>
+</projectDescription>
diff --git a/spring-session/.project b/spring-session/.project
new file mode 100644
index 00000000..7ce7eb24
--- /dev/null
+++ b/spring-session/.project
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>spring-session</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.springframework.ide.eclipse.core.springbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.springframework.ide.eclipse.core.springnature</nature>
+		<nature>org.springsource.ide.eclipse.gradle.core.nature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.jdt.groovy.core.groovyNature</nature>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
+		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
+	</natures>
+</projectDescription>