[maven-release-plugin] prepare branch branch-4.11
diff --git a/pom.xml b/pom.xml
index 191d0e8..6bcbd1c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
     <connection>scm:git:https://github.com/apache/bookkeeper.git</connection>
     <developerConnection>scm:git:https://github.com/apache/bookkeeper.git</developerConnection>
     <url>https://github.com/apache/bookkeeper</url>
-    <tag>HEAD</tag>
+    <tag>branch-4.11</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>
diff --git a/stream/api/pom.xml b/stream/api/pom.xml
index bd67053..abe9264 100644
--- a/stream/api/pom.xml
+++ b/stream/api/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <artifactId>stream-storage-parent</artifactId>
diff --git a/stream/bk-grpc-name-resolver/pom.xml b/stream/bk-grpc-name-resolver/pom.xml
index b3c879d..aff1915 100644
--- a/stream/bk-grpc-name-resolver/pom.xml
+++ b/stream/bk-grpc-name-resolver/pom.xml
@@ -17,8 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <artifactId>stream-storage-parent</artifactId>
diff --git a/stream/clients/java/all/pom.xml b/stream/clients/java/all/pom.xml
index e11462c..08251d8 100644
--- a/stream/clients/java/all/pom.xml
+++ b/stream/clients/java/all/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/clients/java/base/pom.xml b/stream/clients/java/base/pom.xml
index 8f8807b..86edaa0 100644
--- a/stream/clients/java/base/pom.xml
+++ b/stream/clients/java/base/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/clients/java/kv/pom.xml b/stream/clients/java/kv/pom.xml
index 483ba4d..b5ae95b 100644
--- a/stream/clients/java/kv/pom.xml
+++ b/stream/clients/java/kv/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/clients/java/pom.xml b/stream/clients/java/pom.xml
index 5f25985..4fc2a6b 100644
--- a/stream/clients/java/pom.xml
+++ b/stream/clients/java/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <packaging>pom</packaging>
   <modelVersion>4.0.0</modelVersion>
   <parent>
diff --git a/stream/clients/pom.xml b/stream/clients/pom.xml
index 3364a4c..fe86741 100644
--- a/stream/clients/pom.xml
+++ b/stream/clients/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <packaging>pom</packaging>
   <modelVersion>4.0.0</modelVersion>
   <parent>
diff --git a/stream/common/pom.xml b/stream/common/pom.xml
index 81efe6d..6a8c137 100644
--- a/stream/common/pom.xml
+++ b/stream/common/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <artifactId>stream-storage-parent</artifactId>
diff --git a/stream/pom.xml b/stream/pom.xml
index 291c273..39aabd3 100644
--- a/stream/pom.xml
+++ b/stream/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/proto/pom.xml b/stream/proto/pom.xml
index e5451cd..8f2129d 100644
--- a/stream/proto/pom.xml
+++ b/stream/proto/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/server/pom.xml b/stream/server/pom.xml
index eb0cbf7..9603af7 100644
--- a/stream/server/pom.xml
+++ b/stream/server/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/statelib/pom.xml b/stream/statelib/pom.xml
index 033ea3d..e781a8e 100644
--- a/stream/statelib/pom.xml
+++ b/stream/statelib/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/stream/storage/api/pom.xml b/stream/storage/api/pom.xml
index 68ed1d4..9d0d74a 100644
--- a/stream/storage/api/pom.xml
+++ b/stream/storage/api/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/storage/impl/pom.xml b/stream/storage/impl/pom.xml
index 0ea2267..122536d 100644
--- a/stream/storage/impl/pom.xml
+++ b/stream/storage/impl/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/storage/pom.xml b/stream/storage/pom.xml
index 347dd0a..f6cfa84 100644
--- a/stream/storage/pom.xml
+++ b/stream/storage/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <packaging>pom</packaging>
   <modelVersion>4.0.0</modelVersion>
   <parent>
diff --git a/stream/tests-common/pom.xml b/stream/tests-common/pom.xml
index 9bdf40a..189cafb 100644
--- a/stream/tests-common/pom.xml
+++ b/stream/tests-common/pom.xml
@@ -15,8 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/tests/integration/cluster/pom.xml b/tests/integration/cluster/pom.xml
index 42fbac3..28c24d3 100644
--- a/tests/integration/cluster/pom.xml
+++ b/tests/integration/cluster/pom.xml
@@ -16,7 +16,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://maven.apache.org/POM/4.0.0   http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper.tests</groupId>
diff --git a/tools/perf/pom.xml b/tools/perf/pom.xml
index a2f8ead..889f45c 100644
--- a/tools/perf/pom.xml
+++ b/tools/perf/pom.xml
@@ -12,8 +12,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
diff --git a/tools/stream/pom.xml b/tools/stream/pom.xml
index cc4f123..95407a6 100644
--- a/tools/stream/pom.xml
+++ b/tools/stream/pom.xml
@@ -16,8 +16,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.bookkeeper</groupId>