Switch RPM plugins to Java 11

Change-Id: I743f04e22c910c2b18d67d9514f2bd7cf5964949
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/linuxtools/org.eclipse.linuxtools/+/165775
Tested-by: Linux Tools Bot <linuxtools-bot@eclipse.org>
diff --git a/rpm/org.eclipse.linuxtools.rpm.core/.classpath b/rpm/org.eclipse.linuxtools.rpm.core/.classpath
index 43b9862..1db08c6 100644
--- a/rpm/org.eclipse.linuxtools.rpm.core/.classpath
+++ b/rpm/org.eclipse.linuxtools.rpm.core/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/rpm/org.eclipse.linuxtools.rpm.core/.settings/org.eclipse.jdt.core.prefs b/rpm/org.eclipse.linuxtools.rpm.core/.settings/org.eclipse.jdt.core.prefs
index 6149eb9..7c23b2d 100644
--- a/rpm/org.eclipse.linuxtools.rpm.core/.settings/org.eclipse.jdt.core.prefs
+++ b/rpm/org.eclipse.linuxtools.rpm.core/.settings/org.eclipse.jdt.core.prefs
@@ -9,9 +9,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullable.secondary=
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -26,6 +26,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=enabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -81,6 +82,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -113,4 +115,5 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
diff --git a/rpm/org.eclipse.linuxtools.rpm.core/META-INF/MANIFEST.MF b/rpm/org.eclipse.linuxtools.rpm.core/META-INF/MANIFEST.MF
index 0b16f0e..4467d5a 100644
--- a/rpm/org.eclipse.linuxtools.rpm.core/META-INF/MANIFEST.MF
+++ b/rpm/org.eclipse.linuxtools.rpm.core/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Localization: plugin
 Bundle-Vendor: %Bundle-Vendor
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: org.eclipse.core.resources,
  org.eclipse.core.runtime,
  org.eclipse.ui,
diff --git a/rpm/org.eclipse.linuxtools.rpm.createrepo/.classpath b/rpm/org.eclipse.linuxtools.rpm.createrepo/.classpath
index 43b9862..1db08c6 100644
--- a/rpm/org.eclipse.linuxtools.rpm.createrepo/.classpath
+++ b/rpm/org.eclipse.linuxtools.rpm.createrepo/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/rpm/org.eclipse.linuxtools.rpm.createrepo/.settings/org.eclipse.jdt.core.prefs b/rpm/org.eclipse.linuxtools.rpm.createrepo/.settings/org.eclipse.jdt.core.prefs
index 9c6a776..e12c70b 100644
--- a/rpm/org.eclipse.linuxtools.rpm.createrepo/.settings/org.eclipse.jdt.core.prefs
+++ b/rpm/org.eclipse.linuxtools.rpm.createrepo/.settings/org.eclipse.jdt.core.prefs
@@ -10,9 +10,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -27,6 +27,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -83,6 +84,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -115,4 +117,5 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
diff --git a/rpm/org.eclipse.linuxtools.rpm.createrepo/META-INF/MANIFEST.MF b/rpm/org.eclipse.linuxtools.rpm.createrepo/META-INF/MANIFEST.MF
index 4cea818..04d2d43 100644
--- a/rpm/org.eclipse.linuxtools.rpm.createrepo/META-INF/MANIFEST.MF
+++ b/rpm/org.eclipse.linuxtools.rpm.createrepo/META-INF/MANIFEST.MF
@@ -15,6 +15,6 @@
  org.eclipse.core.resources,
  org.eclipse.linuxtools.rpm.core,
  org.eclipse.linuxtools.rpm.ui.editor
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
 Automatic-Module-Name: org.eclipse.linuxtools.rpm.createrepo
diff --git a/rpm/org.eclipse.linuxtools.rpm.rpmlint/.classpath b/rpm/org.eclipse.linuxtools.rpm.rpmlint/.classpath
index 43b9862..1db08c6 100644
--- a/rpm/org.eclipse.linuxtools.rpm.rpmlint/.classpath
+++ b/rpm/org.eclipse.linuxtools.rpm.rpmlint/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/rpm/org.eclipse.linuxtools.rpm.rpmlint/.settings/org.eclipse.jdt.core.prefs b/rpm/org.eclipse.linuxtools.rpm.rpmlint/.settings/org.eclipse.jdt.core.prefs
index f74677f..c8da9bf 100644
--- a/rpm/org.eclipse.linuxtools.rpm.rpmlint/.settings/org.eclipse.jdt.core.prefs
+++ b/rpm/org.eclipse.linuxtools.rpm.rpmlint/.settings/org.eclipse.jdt.core.prefs
@@ -10,9 +10,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -27,6 +27,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -85,6 +86,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -120,4 +122,5 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
diff --git a/rpm/org.eclipse.linuxtools.rpm.rpmlint/META-INF/MANIFEST.MF b/rpm/org.eclipse.linuxtools.rpm.rpmlint/META-INF/MANIFEST.MF
index b57e810..64209db 100644
--- a/rpm/org.eclipse.linuxtools.rpm.rpmlint/META-INF/MANIFEST.MF
+++ b/rpm/org.eclipse.linuxtools.rpm.rpmlint/META-INF/MANIFEST.MF
@@ -14,6 +14,6 @@
  org.eclipse.ui.console;bundle-version="3.3.0",
  org.eclipse.linuxtools.rpm.core
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Vendor: %provider
 Automatic-Module-Name: org.eclipse.linuxtools.rpm.rpmlint
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui.editor/.classpath b/rpm/org.eclipse.linuxtools.rpm.ui.editor/.classpath
index 43b9862..1db08c6 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui.editor/.classpath
+++ b/rpm/org.eclipse.linuxtools.rpm.ui.editor/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui.editor/.settings/org.eclipse.jdt.core.prefs b/rpm/org.eclipse.linuxtools.rpm.ui.editor/.settings/org.eclipse.jdt.core.prefs
index 2dbb62c..a33a517 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui.editor/.settings/org.eclipse.jdt.core.prefs
+++ b/rpm/org.eclipse.linuxtools.rpm.ui.editor/.settings/org.eclipse.jdt.core.prefs
@@ -10,9 +10,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -27,6 +27,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -83,6 +84,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -115,4 +117,5 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui.editor/META-INF/MANIFEST.MF b/rpm/org.eclipse.linuxtools.rpm.ui.editor/META-INF/MANIFEST.MF
index 3a242e4..3f32c40 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui.editor/META-INF/MANIFEST.MF
+++ b/rpm/org.eclipse.linuxtools.rpm.ui.editor/META-INF/MANIFEST.MF
@@ -23,6 +23,6 @@
 Export-Package: org.eclipse.linuxtools.rpm.ui.editor.markers,
  org.eclipse.linuxtools.rpm.ui.editor.parser,
  org.eclipse.linuxtools.rpm.ui.editor.wizards
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Vendor: %provider
 Automatic-Module-Name: org.eclipse.linuxtools.rpm.ui.editor
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui/.classpath b/rpm/org.eclipse.linuxtools.rpm.ui/.classpath
index 43b9862..1db08c6 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui/.classpath
+++ b/rpm/org.eclipse.linuxtools.rpm.ui/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui/.settings/org.eclipse.jdt.core.prefs b/rpm/org.eclipse.linuxtools.rpm.ui/.settings/org.eclipse.jdt.core.prefs
index 50680df..899f0b9 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui/.settings/org.eclipse.jdt.core.prefs
+++ b/rpm/org.eclipse.linuxtools.rpm.ui/.settings/org.eclipse.jdt.core.prefs
@@ -10,9 +10,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -27,6 +27,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=enabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
 org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
@@ -82,6 +83,7 @@
 org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
 org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
 org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
@@ -114,4 +116,5 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui/META-INF/MANIFEST.MF b/rpm/org.eclipse.linuxtools.rpm.ui/META-INF/MANIFEST.MF
index e117ae1..64cc771 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui/META-INF/MANIFEST.MF
+++ b/rpm/org.eclipse.linuxtools.rpm.ui/META-INF/MANIFEST.MF
@@ -5,7 +5,7 @@
 Bundle-Version: 1.1.0.qualifier
 Bundle-Vendor: %Bundle-Vendor.0
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: org.eclipse.ui.ide,
  org.eclipse.jface.text,
  org.eclipse.core.runtime,